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KA78XXE/KA78XXAE 3-Terminal 1A Positive Voltage Regulator
May 2006
KA78XXE/KA78XXAE 3-Terminal 1A Positive Voltage Regulator
Features
Output Current up to 1A Output Voltages of 5, 6, 8, 9, 10, 12, 15, 18, 24V Thermal Overload Protection Short Circuit Protection Output Transistor Safe Operating Area Protection
Description
The KA78XXE/KA78XXAE series of three-terminal positive regulator are available in the TO-220/D-PAK package and with several fixed output voltages, making them useful in a wide range of applications. Each type employs internal current limiting, thermal shut down and safe operating area protection, making it essentially indestructible. If adequate heat sinking is provided, they can deliver over 1A output current. Although designed primarily as fixed voltage regulators, these devices can be used with external components to obtain adjustable voltages and currents.
Ordering Information
Part Number
KA7805E / KA7806E KA7808E / KA7809E KA7810E KA7812E / KA7815E KA7818E / KA7824E KA7805AE / KA7806AE KA7808AE / KA7809AE KA7810AE KA7812AE/KA7815AE KA7818AE/KA7824AE KA7805ER / KA7806ER KA7808ER / KA7809ER KA7812ER 4% D-PAK 2%
Output Voltage Tolerance
4%
Package
TO-220
Operating Temperature
0 to +125C
(c)2006 Fairchild Semiconductor Corporation
1
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KA78XXE/KA78XXAE Rev. 1.0.1
KA78XXE/KA78XXAE 3-Terminal 1A Positive Voltage Regulator
Block Diagram
Input 1 Current Generator SOA Protection Series Pass Element Output 3
Starting Circuit
Reference Voltage
Error Amplifier
Thermal Protection GND 2
Figure 1.
Pin Assignment
TO-220
GND GND
D-PAK
1
1. Input 2. GND 3. Output
1
Figure 2.
Absolute Maximum Ratings
Symbol
VI RJC RJA TOPR TSTG Input Voltage
Parameter
VO = 5V to 18V VO = 24V Thermal Resistance Junction-Cases (TO-220) Thermal Resistance Junction-Air (TO-220) Operating Temperature Range (KA78XXE/AE/ER) Storage Temperature Range
Value
35 40 5 65 0 to +125 -65 to +150
Unit
V C/W C/W C C
2 KA78XXE/KA78XXAE Rev. 1.0.1
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KA78XXE/KA78XXAE 3-Terminal 1A Positive Voltage Regulator
Electrical Characteristics (KA7805E/KA7805ER)
Refer to test circuit, 0C < TJ < 125C, IO = 500mA, VI = 10V, CI = 0.33F, CO = 0.1F, unless otherwise specified.
KA7805E/ER Symbol
VO
Parameter
Output Voltage TJ = +25C
Conditions
5.0mA IO 1.0A, PO 15W VI = 7V to 20V
Min.
4.8 4.75 - - - - - - - - - 62 - - - -
Typ. Max.
5.0 5.0 4.0 1.6 9 4 5.0 0.03 0.3 -0.8 42 73 2 15 230 2.2 5.2 5.25 100 50 100 50 8.0 0.5 1.3 - - - - - - -
Unit
V
Regline
Line Regulation(1) Regulation(1)
TJ = +25C TJ = +25C TJ = +25C
VO = 7V to 25V VI = 8V to 12V IO = 5.0mA to1.5A IO = 250mA to 750mA
mV
Regload
Load
mV
IQ IQ VO/T VN RR VDrop rO ISC IPK
Quiescent Current Quiescent Current Change Drift(2)
mA mA mV/C V/VO dB V m mA A
IO = 5mA to 1.0A VI = 7V to 25V IO = 5mA f = 10Hz to 100kHz, TA = +25C f = 120Hz, VO = 8V to 18V IO = 1A, TJ = +25C f = 1kHz VI = 35V, TA = +25C TJ = +25C
Output Voltage
Output Noise Voltage Ripple Rejection(2) Resistance(2)
Dropout Voltage Output
Short Circuit Current Peak Current(2)
Notes: 1. Load and line regulation are specified at constant junction temperature. Changes in Vo due to heating effects must be taken into account separately. Pulse testing with low duty is used. 2. These parameters, although guaranteed, are not 100% tested in production.
3 KA78XXE/KA78XXAE Rev. 1.0.1
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KA78XXE/KA78XXAE 3-Terminal 1A Positive Voltage Regulator
Electrical Characteristics (KA7806E/KA7806ER) (Continued)
Refer to test circuit, 0C < TJ < 125C, IO = 500mA, VI = 11V, CI = 0.33F, CO = 0.1F, unless otherwise specified.
KA7806E/ER Symbol
VO
Parameter
Output Voltage TJ = +25C
Conditions
5.0mA IO 1.0A, PO 15W VI = 8.0V to 21V
Min. Typ. Max.
5.75 5.7 - - - - - - - - - 59 - - - - 6.0 6.0 5 1.5 9 3 5.0 - - -0.8 45 75 2 19 250 2.2 6.25 6.3 120 60 120 60 8.0 0.5 1.3 - - - - - - -
Unit
V
Regline
Line Regulation(3) Regulation(3)
TJ = +25C TJ = +25C TJ = +25C
VI = 8V to 25V VI = 9V to 13V IO = 5mA to 1.5A IO = 250mA to 750mA
mV
Regload
Load
mV
IQ IQ VO/T VN RR VDrop rO ISC IPK
Quiescent Current Quiescent Current Change Drift(4)
mA mA
IO = 5mA to 1A VI = 8V to 25V IO = 5mA f = 10Hz to 100kHz, TA = +25C f = 120Hz VI = 9V to 19V IO = 1A, TJ = +25C f = 1kHz VI = 35V, TA = +25C TJ = +25C
Output Voltage
mV/C V/Vo dB V m mA A
Output Noise Voltage Ripple Rejection(4)
Dropout Voltage Output Resistance(4)
Short Circuit Current Peak Current(4)
Notes: 3. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken into account separately. Pulse testing with low duty is used. 4. These parameters, although guaranteed, are not 100% tested in production.
4 KA78XXE/KA78XXAE Rev. 1.0.1
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KA78XXE/KA78XXAE 3-Terminal 1A Positive Voltage Regulator
Electrical Characteristics (KA7808E/KA7808ER) (Continued) Refer to test circuit, 0C < TJ < 125C, IO = 500mA, VI = 14V, CI = 0.33F, CO = 0.1F, unless otherwise specified.
KA7808E/ER Symbol
VO
Parameter
Output Voltage TJ = +25C
Conditions
5.0mA IO 1.0A, PO 15W VI = 10.5V to 23V
Min.
7.7 7.6 - - - - - - - - - 56 - - - -
Typ.
8.0 8.0 5.0 2.0 10 5.0 5.0 0.05 0.5 -0.8 52 73 2 17 230 2.2
Max.
8.3 8.4 160 80 160 80 8.0 0.5 1.0 - - - - - - -
Unit
V
Regline
Line Regulation(5) Regulation(5)
TJ = +25C TJ = +25C TJ = +25C
VI = 10.5V to 25V VI = 11.5V to 17V IO = 5.0mA to 1.5A IO = 250mA to 750mA
mV
Regload
Load
mV
IQ IQ VO/T VN RR VDrop rO ISC IPK
Quiescent Current Quiescent Change Output Voltage
mA mA
Current IO = 5mA to 1.0A VI = 10.5A to 25V Drift(6) IO = 5mA f = 10Hz to 100kHz, TA = +25C f = 120Hz, VI = 11.5V to 21.5V IO = 1A, TJ = +25C f = 1kHz VI = 35V, TA = +25C TJ = +25C
mV/C V/Vo dB V m mA A
Output Noise Voltage Ripple Rejection(6) Resistance(6)
Dropout Voltage Output
Short Circuit Current Peak Current(6)
Notes: 5. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken into account separately. Pulse testing with low duty is used. 6. These parameters, although guaranteed, are not 100% tested in production.
5 KA78XXE/KA78XXAE Rev. 1.0.1
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KA78XXE/KA78XXAE 3-Terminal 1A Positive Voltage Regulator
Electrical Characteristics (KA7809E/KA7809ER) (Continued) Refer to test circuit, 0C < TJ < 125C, IO = 500mA, VI = 15V, CI = 0.33F, CO = 0.1F, unless otherwise specified.
KA7809E/ER Symbol
VO
Parameter
Output Voltage TJ = +25C
Conditions
5.0mA IO 1.0A, PO 15W VI = 11.5V to 24V
Min.
8.65 8.6 - - - - - - - - - 56 - - - -
Typ.
9 9 6 2 12 4 5.0 - - -1 58 71 2 17 250 2.2
Max.
9.35 9.4 180 90 180 90 8.0 0.5 1.3 - - - - - - -
Unit
V
Regline
Line Regulation(7) Regulation(7)
TJ = +25C TJ = +25C TJ = +25C
VI = 11.5V to 25V VI = 12V to 17V IO = 5mA to 1.5A IO = 250mA to 750mA
mV
Regload
Load
mV
IQ IQ VO/T VN RR VDrop rO ISC IPK
Quiescent Current Quiescent Current Change Drift(8)
mA mA
IO = 5mA to 1.0A VI = 11.5V to 26V IO = 5mA f = 10Hz to 100kHz, TA = +25C f = 120Hz VI = 13V to 23V IO = 1A, TJ = +25C f = 1kHz VI = 35V, TA = +25C TJ = +25C
Output Voltage
mV/C V/Vo dB V m mA A
Output Noise Voltage Ripple Rejection(8)
Dropout Voltage Output Resistance(8)
Short Circuit Current Peak Current(8)
Notes: 7. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken into account separately. Pulse testing with low duty is used. 8. These parameters, although guaranteed, are not 100% tested in production.
6 KA78XXE/KA78XXAE Rev. 1.0.1
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KA78XXE/KA78XXAE 3-Terminal 1A Positive Voltage Regulator
Electrical Characteristics (KA7810E) (Continued) Refer to test circuit, 0C < TJ < 125C, IO = 500mA, VI = 16V, CI = 0.33F, CO = 0.1F, unless otherwise specified.
KA7810E Symbol
VO
Parameter
Output Voltage TJ = +25C
Conditions
5mA IO 1A, PO 15W VI = 12.5V to 25V
Min.
9.6 9.5 - - - - - - - - - 56.0 - - - -
Typ.
10.0 10.0 10.0 3.0 12.0 4.0 5.1 - - -1.0 58.0 71.0 2.0 17.0 250 2.2
Max.
10.4 10.5 200 100 200 400 8.0 0.5 1.0 - - - - - - -
Unit
V
Regline
Line Regulation(9) Regulation(9)
TJ = +25C TJ = +25C TJ = +25C
VI = 12.5V to 25V VI = 13V to 25V IO = 5mA to 1.5A IO = 250mA to 750mA
mV
Regload
Load
mV
IQ IQ VO/T VN RR VDrop rO ISC IPK
Quiescent Current Quiescent Current Change Drift(10)
mA mA
IO = 5mA to 1A VI = 12.5V to 29V IO = 5mA f = 10Hz to 100kHz, TA = +25C f = 120Hz VO = 13V to 23V IO = 1A, TJ = +25C f = 1kHz VI = 35V, TA = +25C TJ = +25C
Output Voltage
mV/C V/Vo dB V m mA A
Output Noise Voltage Ripple Rejection(10)
Dropout Voltage Output Resistance(10)
Short Circuit Current Peak Current(10)
Notes: 9. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken into account separately. Pulse testing with low duty is used. 10. These parameters, although guaranteed, are not 100% tested in production.
7 KA78XXE/KA78XXAE Rev. 1.0.1
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KA78XXE/KA78XXAE 3-Terminal 1A Positive Voltage Regulator
Electrical Characteristics (KA7812E/KA7812ER) (Continued) Refer to test circuit, 0C < TJ < 125C, IO = 500mA, VI = 19V, CI = 0.33F, CO = 0.1F, unless otherwise specified.
KA7812E/ER Symbol
VO
Parameter
Output Voltage TJ = +25C
Conditions
5.0mA IO 1.0A, PO 15W VI = 14.5V to 27V
Min.
11.5 11.4 - - - - - - - - - 55 - - - -
Typ.
12 12 10 3.0 11 5.0 5.1 0.1 0.5 -1 76 71 2 18 230 2.2
Max.
12.5 12.6 240 120 240 120 8.0 0.5 1.0 - - - - - - -
Unit
V
Regline
Line Regulation(11) Regulation(11)
TJ = +25C TJ = +25C TJ = +25C
VI = 14.5V to 30V VI = 16V to 22V IO = 5mA to 1.5A IO = 250mA to 750mA
mV
Regload
Load
mV
IQ IQ VO/T VN RR VDrop rO ISC IPK
Quiescent Current Quiescent Current Change Drift(12)
mA mA
IO = 5mA to 1.0A VI = 14.5V to 30V IO = 5mA f = 10Hz to 100kHz, TA = +25C f = 120Hz VI = 15V to 25V IO = 1A, TJ = +25C f = 1kHz VI = 35V, TA = +25C TJ = +25C
Output Voltage
mV/C V/Vo dB V m mA A
Output Noise Voltage Ripple Rejection(12)
Dropout Voltage Output Resistance(12)
Short Circuit Current Peak Current(12)
Notes: 11. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken into account separately. Pulse testing with low duty is used. 12. These parameters, although guaranteed, are not 100% tested in production.
8 KA78XXE/KA78XXAE Rev. 1.0.1
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KA78XXE/KA78XXAE 3-Terminal 1A Positive Voltage Regulator
Electrical Characteristics (KA7815E) (Continued) Refer to test circuit, 0C < TJ < 125C, IO = 500mA, VI = 23V, CI = 0.33F, CO = 0.1F, unless otherwise specified.
KA7815E Symbol
VO
Parameter
Output Voltage TJ = +25C
Conditions
5.0mA IO 1.0A, PO 15W VI = 17.5V to 30V
Min.
14.4 14.25 - - - - - - - - - 54 - - - -
Typ. Max.
15 15 11 3 12 4 5.2 - - -1 90 70 2 19 250 2.2 15.6 15.75 300 150 300 150 8.0 0.5 1.0 - - - - - - -
Unit
V
Regline
Line Regulation(13) Regulation(13)
TJ = +25C TJ = +25C TJ = +25C
VI = 17.5V to 30V VI = 20V to 26V IO = 5mA to 1.5A IO = 250mA to 750mA
mV
Regload
Load
mV
IQ IQ VO/T VN RR VDrop rO ISC IPK
Quiescent Current Quiescent Current Change Drift(14)
mA mA
IO = 5mA to 1.0A VI = 17.5V to 30V IO = 5mA f = 10Hz to 100kHz, TA = +25C f = 120Hz VI = 18.5V to 28.5V IO = 1A, TJ = +25C f = 1kHz VI = 35V, TA = +25C TJ = +25C
Output Voltage
mV/C V/Vo dB V m mA A
Output Noise Voltage Ripple Rejection(14)
Dropout Voltage Output Resistance(14)
Short Circuit Current Peak Current(14)
Notes: 13. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken into account separately. Pulse testing with low duty is used. 14. These parameters, although guaranteed, are not 100% tested in production.
9 KA78XXE/KA78XXAE Rev. 1.0.1
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KA78XXE/KA78XXAE 3-Terminal 1A Positive Voltage Regulator
Electrical Characteristics (KA7818E) (Continued) Refer to test circuit, 0C < TJ < 125C, IO = 500mA, VI = 27V, CI = 0.33F, CO = 0.1F, unless otherwise specified.
KA7818E Symbol
VO
Parameter
Output Voltage TJ = +25C
Conditions
5.0mA IO 1.0A, PO 15W VI = 21V to 33V
Min.
17.3 17.1 - - - - - - - - - 53 - - - -
Typ. Max.
18 18 15 5 15 5.0 5.2 - - -1 110 69 2 22 250 2.2 18.7 18.9 360 180 360 180 8.0 0.5 1 - - - - - - -
Unit
V
Regline
Line Regulation(15) Regulation(15)
TJ = +25C TJ = +25C TJ = +25C
VI = 21V to 33V VI = 24V to 30V IO = 5mA to 1.5A IO = 250mA to 750mA
mV
Regload
Load
mV
IQ IQ VO/T VN RR VDrop rO ISC IPK
Quiescent Current Quiescent Current Change Drift(16)
mA mA
IO = 5mA to 1.0A VI = 21V to 33V IO = 5mA f = 10Hz to 100kHz, TA = +25C f = 120Hz VI = 22V to 32V IO = 1A, TJ = +25C f = 1kHz VI = 35V, TA = +25C TJ = +25C
Output Voltage
mV/C V/Vo dB V m mA A
Output Noise Voltage Ripple Rejection(16)
Dropout Voltage Output Resistance(16)
Short Circuit Current Peak Current(16)
Notes: 15. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken into account separately. Pulse testing with low duty is used. 16. These parameters, although guaranteed, are not 100% tested in production.
10 KA78XXE/KA78XXAE Rev. 1.0.1
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KA78XXE/KA78XXAE 3-Terminal 1A Positive Voltage Regulator
Electrical Characteristics (KA7824E) (Continued) Refer to test circuit, 0C < TJ < 125C, IO = 500mA, VI = 33V, CI = 0.33F, CO = 0.1F, unless otherwise specified.
KA7824E Symbol
VO
Parameter
Output Voltage TJ = +25C
Conditions
5.0mA IO 1.0A, PO 15W VI = 27V to 38V
Min.
23 22.8 - - - - - - - - - 50 - - - -
Typ. Max.
24 24 17 6 15 5.0 5.2 0.1 0.5 -1.5 60 67 2 28 230 2.2 25 25.25 480 240 480 240 8.0 0.5 1 - - - - - - -
Unit
V
Regline
Line Regulation(17) Regulation(17)
TJ = +25C TJ = +25C TJ = +25C
VI = 27V to 38V VI = 30V to 36V IO = 5mA to 1.5A IO = 250mA to 750mA
mV
Regload
Load
mV
IQ IQ VO/T VN RR VDrop rO ISC IPK
Quiescent Current Quiescent Current Change Drift(18)
mA mA
IO = 5mA to 1.0A VI = 27V to 38V IO = 5mA f = 10Hz to 100kHz, TA = +25C f = 120Hz VI = 28V to 38V IO = 1A, TJ = +25C f = 1kHz VI = 35V, TA = +25C TJ = +25C
Output Voltage
mV/C V/Vo dB V m mA A
Output Noise Voltage Ripple Rejection(18)
Dropout Voltage Output Resistance(18)
Short Circuit Current Peak Current(18)
Notes: 17. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken into account separately. Pulse testing with low duty is used. 18. These parameters, although guaranteed, are not 100% tested in production.
11 KA78XXE/KA78XXAE Rev. 1.0.1
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KA78XXE/KA78XXAE 3-Terminal 1A Positive Voltage Regulator
Electrical Characteristics (KA7805AE) (Continued)
Refer to the test circuits. 0C < TJ < +125C, IO = 1A, VI = 10V, CI = 0.33F, CO = 0.1F, unless otherwise specified.
KA7805AE Symbol
VO
Parameter
Output Voltage
Conditions
TJ = +25C IO = 5mA to 1A, PO 15W VI = 7.5V to 20V
Min.
4.9 4.8 - - - - - - - - - - - - - - - - - -
Typ.
5 5 5 3 5 1.5 9 9 4 5.0 - - - -0.8 10 68 2 17 250 2.2
Max.
5.1 5.2 50 50 50 25 100 100 50 6.0 0.5 0.8 0.8 - - - - - - -
Unit
V
Regline
Line Regulation(19)
VI = 7.5V to 25V IO = 500mA VI = 8V to 12V TJ = +25C VI = 7.3V to 20V VI = 8V to 12V
mV
Regload
Load
Regulation(19)
TJ = +25C IO = 5mA to 1.5A IO = 5mA to 1A IO = 250mA to 750mA
mV
IQ IQ
Quiescent Current Quiescent Current Change
TJ = +25C IO = 5mA to 1A VI = 8 V to 25V, IO = 500mA VI = 7.5V to 20V, TJ = +25C
mA mA
V/T VN RR VDrop rO ISC IPK
Output Voltage
Drift(20)
IO = 5mA f = 10Hz to 100kHz TA = +25C f = 120Hz, IO = 500mA VI = 8V to 18V IO = 1A, TJ = +25C f = 1kHz VI = 35V, TA = +25C TJ = +25C
mV/C V/Vo dB V m mA A
Output Noise Voltage Ripple Rejection(20) Dropout Voltage Output Resistance(20)
Short Circuit Current Peak Current(20)
Notes: 19. Load and line regulation are specified at constant junction temperature. Change in VO due to heating effects must be taken into account separately. Pulse testing with low duty is used. 20. These parameters, although guaranteed, are not 100% tested in production.
12 KA78XXE/KA78XXAE Rev. 1.0.1
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KA78XXE/KA78XXAE 3-Terminal 1A Positive Voltage Regulator
Electrical Characteristics (KA7806AE) (Continued)
Refer to the test circuits. 0C < TJ < +125C, IO = 1A, VI = 11V, CI = 0.33F, CO = 0.1F, unless otherwise specified.
KA7806AE Symbol
VO
Parameter
Output Voltage
Conditions
TJ = +25C IO = 5mA to 1A, PO 15W VI = 8.6V to 21V
Min.
5.58 5.76 - -
Typ.
6 6 5 3 5 1.5 9 9 5.0 4.3 - - - -0.8 10 65 2 17 250 2.2
Max.
6.12 6.24 60 60 60 30 100 100 50 6.0 0.5 0.8 0.8 - - - - - - -
Unit
V
Regline
Line Regulation(21)
VI = 8.6V to 25V, IO = 500mA VI = 9V to 13V TJ = +25C VI = 8.3V to 21V VI = 9V to 13V
mV
- - - - - - - - - - - - - - - -
Regload
Load
Regulation(21)
TJ = +25C, IO = 5mA to 1.5A IO = 5mA to 1A IO = 250mA to 750mA
mV
IQ IQ
Quiescent Current Quiescent Current Change
TJ = +25C IO = 5mA to 1A VI = 9V to 25V, IO = 500mA VI = 8.5V to 21V, TJ = +25C
mA mA
V/T VN RR VDrop rO ISC IPK
Output Voltage
Drift(22)
IO = 5mA f = 10Hz to 100kHz, TA = +25C f = 120Hz, IO = 500mA VI = 9V to 19V IO = 1A, TJ = +25C f = 1kHz VI = 35V, TA = +25C TJ = +25C
mV/C V/Vo dB V m mA A
Output Noise Voltage Ripple Rejection(22)
Dropout Voltage Output Resistance(22)
Short Circuit Current Peak Current(22)
Notes: 21. Load and line regulation are specified at constant junction temperature. Change in VO due to heating effects must be taken into account separately. Pulse testing with low duty is used. 22. These parameters, although guaranteed, are not 100% tested in production.
13 KA78XXE/KA78XXAE Rev. 1.0.1
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KA78XXE/KA78XXAE 3-Terminal 1A Positive Voltage Regulator
Electrical Characteristics (KA7808AE) (Continued) Refer to the test circuits. 0C < TJ < +125C, IO = 1A, VI = 14V, CI = 0.33F, CO = 0.1F, unless otherwise specified.
KA7808AE Symbol
VO
Parameter
Output Voltage
Conditions
TJ = +25C IO = 5mA to 1A, PO 15W VI = 10.6V to 23V
Min.
7.84 7.7 - - - - - - - - - - - - - - - - - -
Typ.
8 8 6 3 6 2 12 12 5 5.0 - - - -0.8 10 62 2 18 250 2.2
Max.
8.16 8.3 80 80 80 40 100 100 50 6.0 0.5 0.8 0.8 - - - - - - -
Unit
V
Regline
Line Regulation(23)
VI = 10.6V to 25V, IO = 500mA VI = 11V to 17V TJ = +25C VI = 10.4V to 23V VI = 11V to 17V
mV
Regload
Load
Regulation(23)
TJ = +25C, IO = 5mA to 1.5A IO = 5mA to 1A IO = 250mA to 750mA
mV
IQ IQ
Quiescent Current Quiescent Current Change
TJ = +25C IO = 5mA to 1A VI = 11V to 25V, IO = 500mA VI = 10.6V to 23V, TJ = +25C
mA mA
V/T VN RR VDrop rO ISC IPK
Output Voltage
Drift(24)
IO = 5mA f = 10Hz to 100kHz, TA = +25C f = 120Hz, IO = 500mA VI = 11.5V to 21.5V IO = 1A, TJ = +25C f = 1kHz VI = 35V, TA = +25C TJ = +25C
mV/C V/Vo dB V m mA A
Output Noise Voltage Ripple Rejection(24)
Dropout Voltage Output Resistance(24)
Short Circuit Current Peak Current(24)
Notes: 23. Load and line regulation are specified at constant junction temperature. Change in VO due to heating effects must be taken into account separately. Pulse testing with low duty is used. 24. These parameters, although guaranteed, are not 100% tested in production.
14 KA78XXE/KA78XXAE Rev. 1.0.1
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KA78XXE/KA78XXAE 3-Terminal 1A Positive Voltage Regulator
Electrical Characteristics (KA7809AE) (Continued)
Refer to the test circuits. 0C < TJ < +125C, IO = 1A, VI = 15V, CI = 0.33F, CO = 0.1F, unless otherwise specified.
KA7809AE Symbol
VO
Parameter
Output Voltage
Conditions
TJ = +25C IO = 5mA to 1A, PO 15W VI = 11.2V to 24V
Min.
8.82 8.65 - - - - - - - - - - - - - - - - - -
Typ.
9.0 9.0 6 4 6 2 12 12 5 5.0 - - - -1.0 10 62 2.0 17 250 2.2
Max.
9.18 9.35 90 45 90 45 100 100 50 6.0 0.8 0.8 0.5 - - - - - - -
Unit
V
Regline
Line Regulation(25)
VI = 11.7V to 25V, IO = 500mA VI = 12.5V to 19V TJ = +25C VI = 11.5V to 24V VI = 12.5V to 19V
mV
Regload
Load
Regulation(25)
TJ = +25C, IO = 5mA to 1.0A IO = 5mA to 1.0A IO = 250mA to 750mA
mV
IQ IQ
Quiescent Current Quiescent Current Change
TJ = +25C VI = 11.7V to 25V, TJ = +25C VI = 12V to 25V, IO = 500mA IO = 5mA to 1.0A
mA mA
V/T VN RR VDrop rO ISC IPK
Output Voltage
Drift(26)
IO = 5mA f = 10Hz to 100kHz, TA = +25C f = 120Hz, IO = 500mA VI = 12V to 22V IO = 1A, TJ = +25C f = 1kHz VI = 35V, TA = +25C TJ = +25C
mV/C V/Vo dB V m mA A
Output Noise Voltage Ripple Rejection(26)
Dropout Voltage Output Resistance(26)
Short Circuit Current Peak Current(26)
Notes: 25. Load and line regulation are specified at constant junction temperature. Change in VO due to heating effects must be taken into account separately. Pulse testing with low duty is used. 26. These parameters, although guaranteed, are not 100% tested in production.
15 KA78XXE/KA78XXAE Rev. 1.0.1
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KA78XXE/KA78XXAE 3-Terminal 1A Positive Voltage Regulator
Electrical Characteristics (KA7810AE) (Continued)
Refer to the test circuits. 0C < TJ < +125C, IO = 1A, VI = 16V, CI = 0.33F, CO = 0.1F, unless otherwise specified.
KA7810AE Symbol
VO
Parameter
Output Voltage
Conditions
TJ = +25C IO = 5mA to 1A, PO 15W VI = 12.8V to 25V
Min.
9.8 9.6 - - - - - - - - - - - - - - - - - -
Typ.
10.0 10.0 8.0 4.0 8.0 3.0 12.0 12.0 5.0 5.0 - - - -1.0 10.0 62.0 2.0 17.0 250 2.2
Max.
10.2 10.4 100 50.0 100 50.0 100 100 50.0 6.0 0.5 0.8 0.5 - - - - - - -
Unit
V
Regline
Line Regulation(27)
VI = 12.8V to 26V, IO = 500mA VI = 13V to 20V TJ = +25C VI = 12.5V to 25V VI = 13V to 20V
mV
Regload
Load
Regulation(27)
TJ = +25C, IO = 5mA to 1.5A IO = 5mA to 1mA IO = 250mA to 750mA
mV
IQ IQ
Quiescent Current Quiescent Current Change
TJ = +25C IO = 5mA to 1A VI = 12.8V to 25V, IO = 500mA VI = 13V to 26V, TJ = +25C
mA mA
VO/T VN RR VDrop rO ISC IPK
Output Voltage
Drift(28)
IO = 5mA f = 10Hz to 100kHz, TA = +25C f = 120Hz, IO = 500mA VI = 14V to 24V IO = 1A, TJ = +25C f = 1kHz VI = 35V, TA = +25C TJ = +25C
mV/C V/Vo dB V m mA A
Output Noise Voltage Ripple Rejection(28)
Dropout Voltage Output Resistance(28)
Short Circuit Current Peak Current(28)
Notes: 27. Load and line regulation are specified at constant junction temperature. Change in VO due to heating effects must be taken into account separately. Pulse testing with low duty is used. 28. These parameters, although guaranteed, are not 100% tested in production.
16 KA78XXE/KA78XXAE Rev. 1.0.1
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KA78XXE/KA78XXAE 3-Terminal 1A Positive Voltage Regulator
Electrical Characteristics (KA7812AE) (Continued)
Refer to the test circuits. 0C < TJ < +125C, IO = 1A, VI = 19V, CI = 0.33F, CO = 0.1F, unless otherwise specified.
KA7812AE Symbol
VO
Parameter
Output Voltage
Conditions
TJ = +25C IO = 5mA to 1A, PO 15W VI = 14.8V to 27V
Min.
11.75 11.5 - - - - - - - - - - - - - - - - - -
Typ.
12 12 10 4 10 3 12 12 5 5.1 - - - -1.0 10 60 2.0 18 250 2.2
Max.
12.25 12.5 120 120 120 60 100 100 50 6.0 0.8 0.8 0.5 - - - - - - -
Unit
V
Regline
Line Regulation(29)
VI = 14.8V to 30V, IO = 500mA VI = 16V to 22V TJ = +25C VI = 14.5V to 27V VI = 16V to 22V
mV
Regload
Load
Regulation(29)
TJ = +25C, IO = 5mA to 1.5A IO = 5mA to 1.0A IO = 250mA to 750mA
mV
IQ IQ
Quiescent Current Quiescent Current Change
TJ = +25C VI = 15V to 30V, TJ = +25C VI = 14V to 27V, IO = 500mA IO = 5mA to 1.0A
mA mA
V/T VN RR VDrop rO ISC IPK
Output Voltage
Drift(30)
IO = 5mA f = 10Hz to 100kHz, TA = +25C f = 120Hz, IO = 500mA VI = 14V to 24V IO = 1A, TJ = +25C f = 1kHz VI = 35V, TA = +25C TJ = +25C
mV/C V/Vo dB V m mA A
Output Noise Voltage Ripple Rejection(30)
Dropout Voltage Output Resistance(30)
Short Circuit Current Peak Current(30)
Notes: 29. Load and line regulation are specified at constant junction temperature. Change in VO due to heating effects must be taken into account separately. Pulse testing with low duty is used. 30. These parameters, although guaranteed, are not 100% tested in production.
17 KA78XXE/KA78XXAE Rev. 1.0.1
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KA78XXE/KA78XXAE 3-Terminal 1A Positive Voltage Regulator
Electrical Characteristics (KA7815AE) (Continued)
Refer to the test circuits. 0C < TJ < +125C, IO = 1A, VI = 23V, CI = 0.33F, CO = 0.1F, unless otherwise specified.
KA7815AE Symbol
VO
Parameter
Output Voltage
Conditions
TJ = +25C IO = 5mA to 1A, PO 15W VI = 17.7V to 30V
Min.
14.7 14.4 - - - - - - - - - - - - - - - - - -
Typ.
15 15 10 5 11 3 12 12 5 5.2 - - - -1.0 10 58 2.0 19 250 2.2
Max.
15.3 15.6 150 150 150 75 100 100 50 6.0 0.8 0.8 0.5 - - - - - - -
Unit
V
Regline
Line Regulation(31)
VI = 17.9V to 30V, IO = 500mA VI = 20V to 26V TJ = +25C VI = 17.5V to 30V VI = 20V to 26V
mV
Regload
Load
Regulation(31)
TJ = +25C, IO = 5mA to 1.5A IO = 5mA to 1.0A IO = 250mA to 750mA
mV
IQ IQ
Quiescent Current Quiescent Current Change
TJ = +25C VI = 17.5V to 30V, TJ = +25C VI = 17.5V to 30V, IO = 500mA IO = 5mA to 1.0A
mA mA
V/T VN RR VDrop rO ISC IPK
Output Voltage
Drift(32)
IO = 5mA f = 10Hz to 100kHz, TA = +25C f = 120Hz, IO = 500mA VI = 18.5V to 28.5V IO = 1A, TJ = +25C f = 1kHz VI = 35V, TA = +25C TJ = +25C
mV/C V/Vo dB V m mA A
Output Noise Voltage Ripple Rejection(32)
Dropout Voltage Output Resistance(32)
Short Circuit Current Peak Current(32)
Notes: 31. Load and line regulation are specified at constant junction temperature. Change in VO due to heating effects must be taken into account separately. Pulse testing with low duty is used. 32. These parameters, although guaranteed, are not 100% tested in production.
18 KA78XXE/KA78XXAE Rev. 1.0.1
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KA78XXE/KA78XXAE 3-Terminal 1A Positive Voltage Regulator
Electrical Characteristics (KA7818AE) (Continued)
Refer to the test circuits. 0C < TJ < +125C, IO = 1A, VI = 27V, CI = 0.33F, CO = 0.1F, unless otherwise specified.
KA7818AE Symbol
VO
Parameter
Output Voltage
Conditions
TJ = +25C IO = 5mA to 1A, PO 15W VI = 21V to 33V
Min.
17.64 17.3 - - - - - - - - - - - - - - - - - -
Typ.
18 18 15 5 15 5 15 15 7 5.2 - - - -1.0 10 57 2.0 19 250 2.2
Max.
18.36 18.7 180 180 180 90 100 100 50 6.0 0.8 0.8 0.5 - - - - - - -
Unit
V
Regline
Line Regulation(33)
VI = 21V to 33V, IO = 500mA VI = 21V to 33V TJ = +25C VI = 20.6V to 33V VI = 24V to 30V
mV
Regload
Load
Regulation(33)
TJ = +25C, IO = 5mA to 1.5A IO = 5mA to 1.0A IO = 250mA to 750mA
mV
IQ IQ
Quiescent Current Quiescent Current Change
TJ = +25C VI = 21V to 33V, TJ = +25C VI = 21V to 33V, IO = 500mA IO = 5mA to 1.0A
mA mA
V/T VN RR VDrop rO ISC IPK
Output Voltage
Drift(34)
IO = 5mA f = 10Hz to 100kHz, TA = +25C f = 120Hz, IO = 500mA VI = 22V to 32V IO = 1A, TJ = +25C f = 1kHz VI = 35V, TA = +25C TJ = +25C
mV/C V/Vo dB V m mA A
Output Noise Voltage Ripple Rejection(34)
Dropout Voltage Output Resistance(34)
Short Circuit Current Peak Current(34)
Notes: 33. Load and line regulation are specified at constant junction temperature. Change in VO due to heating effects must be taken into account separately. Pulse testing with low duty is used. 34. These parameters, although guaranteed, are not 100% tested in production.
19 KA78XXE/KA78XXAE Rev. 1.0.1
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KA78XXE/KA78XXAE 3-Terminal 1A Positive Voltage Regulator
Electrical Characteristics (KA7824AE) (Continued)
Refer to the test circuits. 0C < TJ < +125C, IO = 1A, VI = 33V, CI = 0.33F, CO = 0.1F, unless otherwise specified.
KA7824AE Symbol
VO
Parameter
Output Voltage
Conditions
TJ = +25C IO = 5mA to 1A, PO 15W VI = 27.3V to 38V
Min.
23.5 23 - - - - - - - - - - - - - - - - - -
Typ.
24 24 18 6 18 6 15 15 7 5.2 - - - -1.5 10 54 2.0 20 250 2.2
Max.
24.5 25 240 240 240 120 100 100 50 6.0 0.8 0.8 0.5 - - - - - - -
Unit
V
Regline
Line Regulation(35)
VI = 27V to 38V, IO = 500mA VI = 21V to 33V TJ = +25C VI = 26.7V to 38V VI = 30V to 36V
mV
Regload
Load
Regulation(35)
TJ = +25C, IO = 5mA to 1.5A IO = 5mA to 1.0A IO = 250mA to 750mA
mV
IQ IQ
Quiescent Current Quiescent Current Change
TJ = +25C VI = 27.3V to 38V, TJ = +25C VI = 27.3V to 38V, IO = 500mA IO = 5mA to 1.0A
mA mA
V/T VN RR VDrop rO ISC IPK
Output Voltage
Drift(36)
IO = 5mA f = 10Hz to 100kHz, TA = 25C f = 120Hz, IO = 500mA VI = 28V to 38V IO = 1A, TJ = +25C f = 1kHz VI = 35V, TA = +25C TJ = +25C
mV/C V/Vo dB V m mA A
Output Noise Voltage Ripple Rejection(36)
Dropout Voltage Output Resistance(36)
Short Circuit Current Peak Current(36)
Notes: 35. Load and line regulation are specified at constant junction temperature. Change in VO due to heating effects must be taken into account separately. Pulse testing with low duty is used. 36. These parameters, although guaranteed, are not 100% tested in production.
20 KA78XXE/KA78XXAE Rev. 1.0.1
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KA78XXE/KA78XXAE 3-Terminal 1A Positive Voltage Regulator
Typical Performance Characteristics
6 5.75 5.5 5.25 5 4.75 4.5 -50
VI = 10V VO = 5V IO = 5mA
3 2.5 OUTPUT CURRENT (A) 2 1.5 1 .5 0
TJ = 25C VO = 100mV
QUIESCENT CURRENT (mA)
-25
0
25
50
75
100
125
0
5
10
15
20
25
30
35
JUNCTION TEMPERATURE (C)
INPUT-OUTPUT DIFFERENTIAL (V)
Figure 3. Quiescent Current
Figure 4. Output Voltage
1.02 NORMALIZED OUTPUT VOLTAGE (V)
VI - VO = 5V IO = 5mA
7 6.5 6 5.5 5 4.5 4
TJ = 25C VO = 5V IO = 10mA
1.01
1
.99
.98 -50
-25
0
25
50
75
100
125
QUIESCENT CURRENT (mA)
5
10
15
20
25
30
35
JUNCTION TEMPERATURE (C)
INPUT VOLTAGE (V)
Figure 5. Peak Output Current
Figure 6. Quiescent Current
21 KA78XXE/KA78XXAE Rev. 1.0.1
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KA78XXE/KA78XXAE 3-Terminal 1A Positive Voltage Regulator
Typical Applications
1
KA78XXE
2
3
Input CI CO
0.33F 0.1F
Output
Figure 7. DC Parameters
1 Input
KA78XXE
2
3 Output RL 270pF VO 0V 30S
0.33F
2N6121 OR EQ
VO 100
Figure 8. Load Regulation
5.1 Input
1
KA78XXE 2
3 Output
0.33F
RL
470F 120Hz +
Figure 9. Ripple Rejection
22 KA78XXE/KA78XXAE Rev. 1.0.1
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KA78XXE/KA78XXAE 3-Terminal 1A Positive Voltage Regulator
1
KA78XXE
2
3
Input CI CO
0.33F 0.1F
Output
Figure 10. Fixed Output Regulator
1
KA78XXE
2
3
Output
0.1F
Input CI CO Vxx R1 IQ IO RL
0.33F
Vxx IO = + R1 IQ
Figure 11. Constant Current Regulator
Notes: 1. To specify an output voltage. substitute voltage value for "XX." A common ground is required between the input and the Output voltage. The input voltage must remain typically 2.0V above the output voltage even during the low point on the input ripple voltage. 2. CI is required if regulator is located an appreciable distance from power Supply filter. 3. CO improves stability and transient response. Output Vxx
1
KA78XXE
2
3
Input CI CO IQ
0.33F 0.1F
R1
R2
IRI 51Q VO = VXX(1 + R2 / R1) + IQR2
Figure 12. Circuit for Increasing Output Voltage
23 KA78XXE/KA78XXAE Rev. 1.0.1
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KA78XXE/KA78XXAE 3-Terminal 1A Positive Voltage Regulator
Input
1
KA7805E 2
3
Output
CI
0.33F
6
-2 KA741 +3 4
CO 10K
0.1F
IRI 5 IQ VO = VXX(1 + R2 / R1) + IQR2
Figure 13. Adjustable Output Regulator (7 to 30V)
Input VI
IQ1 R1 3 IREG 0.33F 1 3 IO 2 0.1F Output Vo
KA78XXE
IO = IREG + BQ1 (IREG-VBEQ1/R1)
Figure 14. High Current Voltage Regulator
Q1
Input VI Q2 R1 3 Q1 = TIP42 Q2 = TIP42 RSC = V BEQ2 I SC
1
KA78XXE
2
3
Vo Output
0.33F
0.1F
Figure 15. High Output Current with Short Circuit Protection
24 KA78XXE/KA78XXAE Rev. 1.0.1
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KA78XXE/KA78XXAE 3-Terminal 1A Positive Voltage Regulator
1 VI
KA78XXE
2
3 VO
0.33F
0.1F
4.7k
COMMON 6
7
_
2
COMMON
KA741 4
+
3
4.7k
-VIN
TIP42
-VO
Figure 16. Tracking Voltage Regulator
1 +20V 0.33F
KA7815E
2
3 +15V 0.1F 1N4001
+
2.2F 1 2
1F + 1N4001 3 -15V
-20V
KA7915E
Figure 17. Split Power Supply ( 15V-1A)
25 KA78XXE/KA78XXAE Rev. 1.0.1
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KA78XXE/KA78XXAE 3-Terminal 1A Positive Voltage Regulator
Output Input + 0.1F 2 1
KA78XXE
3
Figure 18. Negative Output Voltage Circuit
Input
D45H11
1mH
Output
4.7 Z1
470
1
KA78XXE
2
3
+ 10uF 0.5
0.33uF
+ 2000F
Figure 19. Switching Regulator
26 KA78XXE/KA78XXAE Rev. 1.0.1
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KA78XXE/KA78XXAE 3-Terminal 1A Positive Voltage Regulator
Mechanical Dimensions
Dimensions in millimeters
TO-220
9.90 0.20 4.50 0.20
1.30 0.10
2.80 0.10
(8.70) o3.60 0.10
(1.70)
1.30 -0.05
+0.10
9.20 0.20
(1.46)
13.08 0.20
(1.00)
(3.00)
15.90 0.20
1.27 0.10
1.52 0.10
0.80 0.10 2.54TYP [2.54 0.20] 2.54TYP [2.54 0.20]
10.08 0.30
18.95MAX.
(3.70)
(45 )
0.50 -0.05
+0.10
2.40 0.20
10.00 0.20
27 KA78XXE/KA78XXAE Rev. 1.0.1
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KA78XXE/KA78XXAE 3-Terminal 1A Positive Voltage Regulator
Mechanical Dimensions (Continued)
Dimensions in millimeters
D-PAK
6.60 0.20 5.34 0.30 (0.50) (4.34) (0.50)
0.70 0.20
2.30 0.10 0.50 0.10
0.60 0.20
6.10 0.20
2.70 0.20
9.50 0.30
0.91 0.10
0.80 0.20
MAX0.96 2.30TYP [2.300.20]
0.76 0.10 2.30TYP [2.300.20]
0.89 0.10
0.50 0.10 1.02 0.20 2.30 0.20
(0.70)
(0.90) (0.10) (3.05)
6.10 0.20
9.50 0.30
2.70 0.20
(2XR0.25)
0.76 0.10
28 KA78XXE/KA78XXAE Rev. 1.0.1
(1.00)
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6.60 0.20 (5.34) (5.04) (1.50)
MIN0.55
KA78XXE/KA78XXAE 3-Terminal 1A Positive Voltage Regulator
TRADEMARKS
The following are registered and unregistered trademarks Fairchild Semiconductor owns or is authorized to use and is not intended to be an exhaustive list of all such trademarks. ACExTM FAST(R) FASTrTM ActiveArrayTM FPSTM BottomlessTM FRFETTM Build it NowTM GlobalOptoisolatorTM CoolFETTM GTOTM CROSSVOLTTM HiSeCTM DOMETM I2CTM EcoSPARKTM i-LoTM E2CMOSTM ImpliedDisconnectTM EnSignaTM IntelliMAXTM FACTTM FACT Quiet SeriesTM Across the board. Around the world.TM The Power Franchise(R) Programmable Active DroopTM ISOPLANARTM LittleFETTM MICROCOUPLERTM MicroFETTM MicroPakTM MICROWIRETM MSXTM MSXProTM OCXTM OCXProTM OPTOLOGIC(R) OPTOPLANARTM PACMANTM POPTM Power247TM PowerEdgeTM PowerSaverTM PowerTrench(R) QFET(R) QSTM QT OptoelectronicsTM Quiet SeriesTM RapidConfigureTM RapidConnectTM SerDesTM ScalarPumpTM SILENT SWITCHER(R) SMART STARTTM SPMTM StealthTM SuperFETTM SuperSOTTM-3 SuperSOTTM-6 SuperSOTTM-8 SyncFETTM TCMTM TinyLogic(R) TINYOPTOTM TruTranslationTM UHCTM UniFETTM UltraFET(R) VCXTM WireTM
DISCLAIMER
FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS. THESE SPECIFICATIONS DO NOT EXPAND THE TERMS OF FAIRCHILDiS WORLDWIDE TERMS AND CONDITIONS, SPECIFICALLY THE WARRANTY THEREIN, WHICH COVERS THESE PRODUCTS.
LIFE SUPPORT POLICY
FAIRCHILDiS PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF FAIRCHILD SEMICONDUCTOR CORPORATION. As used herein: 1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body, or (b) support or sustain life, or (c) whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in significant injury to the user.
2. A critical component is any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness.
PRODUCT STATUS DEFINITIONS Definition of Terms
Datasheet Identification Advance Information Product Status Formative or In Design First Production Definition This datasheet contains the design specifications for product development. Specifications may change in any manner without notice. This datasheet contains preliminary data, and supplementary data will be published at a later date. Fairchild Semiconductor reserves the right to make changes at any time without notice in order to improve design. This datasheet contains final specifications. Fairchild Semiconductor reserves the right to make changes at any time without notice in order to improve design. This datasheet contains specifications on a product that has been discontinued by Fairchild semiconductor. The datasheet is printed for reference information only.
Rev. I19
Preliminary
No Identification Needed
Full Production
Obsolete
Not In Production
29 KA78XXE/KA78XXAE Rev. 1.0.1
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