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CP1032
Chopper Regulators
s
q
Features
Maximum switching current: 3.5A q Built-in ON/OFF control function q Built-in soft start function to suppress overshoot of output voltage in power on sequence or ON/OFF control sequence
q q q q
Built-in oscillation circuit (Oscillation frequency: TYP. 150kHz) Built-in overheat protection function, overcurrent shut-down function Sleeve-packaged product Variable output voltage (Output variable range: Vref to 35V/-Vref to -30V) [Possible to select step-down output/inversing output according to external connection circuit]
s
q q
Applications
LCD monitors Car navigation systems q Switching power supplies
s
Absolute Maximum Ratings
(Ta=25C) Symbol Rating VIN 40 VADJ 7 VI-O 41 VOUT -1 Vsoft -0.3 to +40 3.5 ISW 35 PD Tj 150 Topr -20 to +85 Tstg -40 to +150 Tsol 260 (10s) Unit V V V V V A W C C C C
Parameter 1 Input voltage Error input voltage Input-output voltage 2 Output - COM voltage 3 Vsoft terminal voltage Switching current 4 Power dissipation 5 Junction temperature Operating temperature Storage temperature Soldering temperature
1 Voltage between VIN terminal and COM terminal 2 Voltage between VOUT terminal and COM terminal 3 Voltage between VSOFT terminal and COM terminal 4 PD:With infinite heat sink 5 Overheat protection may operate at Tj=125C to 150C
*Please refer to the chapter " Handling Precautions ".
* All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Email: server@ceramate.com.tw Tel:886-3-3214525 Http: www.ceramate.com.tw Page 1 of 12 Rev 1.1 Aug.31, 2004 Fax:886-3-3521052
CP1032
Chopper Regulators
s
Electrical Characteristics (CP1032-ADJ)
Parameter
(Unless otherwise specified, condition shall be VIN=12V, IO=0.5A, VO=5V, Vsoft terminal=0.1F, Ta=25C) MIN. TYP. MAX. Unit Symbol Conditions
VSAT
ISW=3A - Tj=0 to 125C IO=0.5 to 3A VIN=8 to 35V IO=3A - Tj=0 to 125C Oscillation frequency temperature fluctuation fO - Overcurrent detecting level IL 2 , 4 terminals is open, 5 terminal ICHG Charge current VTHL Duty ratio=0%, 4 terminal=0V, 5 terminal Input threshold voltage VTHH Duty ratio=100%, 4 terminals is open, 5 terminal 4 terminal=0V, 5 terminal ON threshold voltage VTH(ON) 5 terminal Overcurrent shutdown threshold voltage VTHIL VIN=40V, 5 terminal=0V ISD Stand-by current VIN=40V, 5 terminal=0.9V Output OFF-state dissipation current IQS Vref Vref |RegL| |RegI| fO
Output saturation voltage Reference voltage Reference voltage temperature fluctuation Load regulation Line regulation Efficiency Oscillation frequency
-
1.235
1.4 1.26
1.8 1.285
- - - - 135 - 3.6 - - - 0.7 3.8 - -
0.5 0.2 1 80 150 2 4.2 -10 1.3 2.3 0.8 4.6 140 8
- 1.5 2.5 - 165 - 5.8 - - - 0.9 5.5 400 16
V V % % % % kHz % A A V V V V A mA
(CP1032-5.0V)
Parameter
(Unless otherwise specified, condition shall be VIN=12V, IO=0.5A, VO=5V, Vsoft terminal=0.1F, Ta=25C) Symbol Conditions Test circuit of Figure2 0.5 ILOAD 3A Test circuit of Figure2 0.5 ILOAD 3A -40 TJ 125 Test circuit of Figure2 8V VIN 40V MIM. 4.9 4.8 TYP. 5.0 5.0 MAX. 5.1 5.2 Unit. V V
Output Voltage
VOUT
8V VIN
40V
4.75
5.0 80
5.25
V %
Efficiency Oscillator Frequency fosc
ILOAD=3A 135
150
165
kHz
* All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Email: server@ceramate.com.tw Tel:886-3-3214525 Http: www.ceramate.com.tw Page 2 of 12 Rev 1.1 Aug.31, 2004 Fax:886-3-3521052
CP1032
Chopper Regulators
Order Information Package TO-263-5 TO-220-5 Part Number CP1032 ADJ CP1032 5.0 CP1032 ADJ N CP1032 5.0 N Packing Type Tape/Tube Tape/Tube Tape/Tube Tape/Tube Marking CP1032 ADJ CP1032 5.0 CP1032 ADJ CP1032 5.0
CP1032 XXX X X
Blank: Tube A: Taping Reel Blank: TO-263-5 N: TO-220-5 ADJ 5.0V
* All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Email: server@ceramate.com.tw Tel:886-3-3214525 Http: www.ceramate.com.tw Page 3 of 12 Rev 1.1 Aug.31, 2004 Fax:886-3-3521052
CP1032
Chopper Regulators
Connection Diagrams
(1) Vin (2) Vout (3) COM (Common to heat sink) (4) Oadj (5) Vsoft
(TO-263-5)
(1) Vin (2) Vout (3) COM (Common to heat sink) (4) Oadj (5) Vsoft
(TO-220-5)
* All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Email: server@ceramate.com.tw Tel:886-3-3214525 Http: www.ceramate.com.tw Page 4 of 12 Rev 1.1 Aug.31, 2004 Fax:886-3-3521052
CP1032
Chopper Regulators
Fig.1 Test Circuit
4 1 2
L 45 H
Io
CP1032-ADJ ISD IQS
5
A
CIN
220 F
R2
3
A
VIN ICHG
D
1000 F
Co
LOAD
R1 1K
5 terminal LOW HIGH OPEN
Vo output OFF ON ON
Fig.2 Test Circuit
4 1 2
L 45 H
Io
CP1032-5.0 ISD IQS
5
A
CIN
220 F
3
A
VIN ICHG
D
1000 F
Co
LOAD
5 terminal LOW HIGH OPEN
Vo output OFF ON ON
* All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Email: server@ceramate.com.tw Tel:886-3-3214525 Http: www.ceramate.com.tw Page 5 of 12 Rev 1.1 Aug.31, 2004 Fax:886-3-3521052
CP1032
Chopper Regulators
Fig.3 Power Dissipation vs. Ambient Temperature
40 35 PD : With infinite heat sink
Fig.4 Overcurrent Protection Characteristics (Typical Value)
6
5
Output voltage VO (V)
Power dissipation PD (W)
30 25 20 15 10 5 0 -20 0 25 50 75 85
4 Shutdown operating 3
2 Ta=25C VIN=12V VO=5V 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
1 0
Ambient temperature Ta (C)
Note) Oblique line portion:Overheat protection may operate in this area.
Output current IO (A)
Fig.5 Efficiency vs. Input Voltage
100 Tj=25C 90 VO=12V, IO=3A VO=12V, IO=1A
Fig.6 Switching Current vs. Output Saturation Voltage
4 3.5
Switching current ISW (A)
Tj=25C
3 2.5 2 1.5 1 0.5
Efficiency (%)
80 VO=5V, IO=1A 70 VO=5V, IO=3A
60
50 0 5 10 15 20 25 30 35 40 Input voltage VIN (V)
0 0 0.25 0.5 0.75 1 1.25 1.5 1.75 2 Output saturation voltage VSAT (V)
Fig.7 Operating Dissipation Current vs. Input Voltage
15
Fig.8 Reference Voltage Fluctuation vs. Junction Temperature
1.5 VIN=12V VO=5V
Operating disspation current IQ' (mA)
IO=3A
10
Reference voltage fluctuation (%)
40
Tj=25C VO=5V
1
0.5
0 -0.5 -1 -1.5 -25
No load
IO=1A
5
0 0 5 10 15 20 25 30 35 Input voltage VIN (V)
0
25
50
75
100
125
Junction temperature Tj (C)
* All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Email: server@ceramate.com.tw Tel:886-3-3214525 Http: www.ceramate.com.tw Page 6 of 12 Rev 1.1 Aug.31, 2004 Fax:886-3-3521052
CP1032
Chopper Regulators
Fig.9 Load Regulation vs. Output Current
1.5 Tj=25C VIN=12V VO=5V
Load regulation RegL (%)
Fig.10 Line Regulation vs. Input Voltage
1.5
Line regulation RegI (%)
1
1
0.5
0.5
0
0 Tj=25C VO=5V IO=0.5A 0 5 10 15 20 25 30 35 40
-0.5 0 0.5 1 1.5 2 2.5 3 Output current IO (A)
-0.5 Input voltage VIN (V)
Fig.11 Oscillation Frequency Fluctuation vs. Junction Temperature
6
Fig.12 Overcurrent Detecting Level Fluctuation vs. Junction Temperature
8
Overcurrent detecting level fluctuation (%)
Oscillation frequency fluctuation (%)
VIN=12V VO=5V
6 4 2 0 -2 -4 -6 -8 -25 0 25 50 75 100 125
4
2
0 -2 -4 -6 -25
0
25
50
75
100
125
Junction temperature Tj (C)
Junction temperature Tj (C)
Fig.13 On Threshold Voltage vs. Junction Temperature
3
Fig.14 Overcurrent Shutdown Threshold Voltage vs. Junction Temperature
Overcurrent shutdown threshold voltage VTHIL (V)
6 VIN=12V 5.5 5 4.5 4 3.5 3 -25
Threshold voltage VTH (ON), VTHL, VTHH (V)
2.5
VTHH
VIN=12V
2
VTHL
1.5
1
VTH (ON)
0.5 0 -25
0
25
50
75
100
125
0
25
50
75
100
125
Junction temperature Tj (C)
Junction temperature Tj (C)
* All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Email: server@ceramate.com.tw Tel:886-3-3214525 Http: www.ceramate.com.tw Page 7 of 12 Rev 1.1 Aug.31, 2004 Fax:886-3-3521052
CP1032
Chopper Regulators
Fig.15 Power Dissipation vs. Ambient Temperature (Typical Value)
3
Cu area 3 600mm2
Power dissipation PD (W)
2
Cu area 900mm2 Cu area 400mm2 Cu area 115mm2
PWB PWB Cu
1
0 -20
0
25
50
75
85
Ambient temperature Ta (C)
Material : Glass-cloth epoxy resin Size : 60x60x1.6mm Cu thickness : 65m
Fig.16 Block Diagram
VIN
1
2
Vout
Voltage regulator
ON/OFF circuit
5
_ PWM COMP. +
F/F
Vsoft
Soft start circuit
ERROR AMP. _ +
Q R S
Overcurrent detection circuit
4
OADJ
Overheat detection circuit
Ocsillation circuit
_ +
3
Vref
VS'
COM
* All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Email: server@ceramate.com.tw Tel:886-3-3214525 Http: www.ceramate.com.tw Page 8 of 12 Rev 1.1 Aug.31, 2004 Fax:886-3-3521052
CP1032
Chopper Regulators
Fig.17 Step Down Type Circuit Diagram
4 1 2
L 45 H
Vo 5V
CP1032-ADJ
5
3
Rs
R2 3K D Co
LOAD
VIN 8 to 35V
Cs
CIN
220 F
1000 F
R1 1K
ON/OFF control signal
Rs 50K
Fig.18 Polarity Inversion Type Circuit Diagram
4 1 2
L 65 H
CP1032-ADJ
5
3
Rs
R2 3K
D
Co
LOAD
VIN 5 to 30V
Cs
CIN
220 F
2200 F
R1 1K
ON/OFF control signal
Vo -5V
* All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Email: server@ceramate.com.tw Tel:886-3-3214525 Http: www.ceramate.com.tw Page 9 of 12 Rev 1.1 Aug.31, 2004 Fax:886-3-3521052
CP1032
Chopper Regulators
Fig.19 Step Down Type Circuit Diagram
4 1 2
L 45 H
Vo 5V
CP1032-5.0
5
3
Rs
D VIN 8 to 35V
Cs
CIN
220 F
1000 F
Co
LOAD
ON/OFF control signal
Rs 50K
Fig.20 Polarity Inversion Type Circuit Diagram
4 1 2
L 65 H
CP1032-5.0
5
3
Rs
D
VIN 5 to 30V
Cs
CIN
220 F
1000 F
Co
LOAD
ON/OFF control signal
Vo -5V
* All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Email: server@ceramate.com.tw Tel:886-3-3214525 Http: www.ceramate.com.tw Page 10 of 12 Rev 1.1 Aug.31, 2004 Fax:886-3-3521052
CP1032
Chopper Regulators
Physical Dimensions inch(millimeters)
(TO-263-5)
* All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Email: server@ceramate.com.tw Tel:886-3-3214525 Http: www.ceramate.com.tw Page 11 of 12 Rev 1.1 Aug.31, 2004 Fax:886-3-3521052
CP1032
Chopper Regulators
(TO-220-5)
* All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Email: server@ceramate.com.tw Tel:886-3-3214525 Http: www.ceramate.com.tw Page 12 of 12 Rev 1.1 Aug.31, 2004 Fax:886-3-3521052

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