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NCV8450 Self-Protected High Side Driver with Temperature and Current Limit
The NCV8450 is a fully protected High-Side Smart Discrete device with a typical RDS(on) of 1.0 W and an internal current limit of 0.8 A typical. The device can switch a wide variety of resistive, inductive, and capacitive loads.
Features http://onsemi.com MARKING DIAGRAM
AYW V8450G G 1
* * * * * * * * * *
Short Circuit Protection Thermal Shutdown with Automatic Restart Overvoltage Protection Integrated Clamp for Inductive Switching Loss of Ground Protection ESD Protection Slew Rate Control for Low EMI Very Low Standby Current AEC-Q100/101 qualified This is a Pb-Free Device
SOT-223 (TO-261) CASE 318E A Y W G
= Assembly Location = Year = Work Week = Pb-Free Package
(Note: Microdot may be in either location)
Typical Applications
* Automotive * Industrial
ORDERING INFORMATION
See detailed ordering and shipping information in the package dimensions section on page 8 of this data sheet.
PRODUCT SUMMARY
Symbol VIN_CL VD(on) Ron Characteristics Overvoltage Protection Operation Voltage On-State Resistance Value 54 4.5 - 45 1.0 Unit V V W
(c) Semiconductor Components Industries, LLC, 2010
February, 2010 - Rev. 2
1
Publication Order Number: NCV8450/D
NCV8450
VD (Pins 2, 4)
Regulated Charge Pump
Output Clamping Control Logic IN (Pin 1) R_IN Current Limitation Overtemperature Detection OUT (Pin 3)
Figure 1. Block Diagram
PACKAGE PIN DESCRIPTION
Pin # 1 2 3 4 Symbol IN VD OUT VD Control Input, Active Low Supply Voltage Output Supply Voltage Description
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NCV8450
MAXIMUM RATINGS
Value Rating DC Supply Voltage (Note 1) Load Dump Protection (RI = 2 W, td = 400 ms, VIN = 0, 10 V, IL = 150 mA, Vbb = 13.5 V) Input Current Output Current (Note 1) Total Power Dissipation @ TA = 25C (Note 2) @ TA = 25C (Note 3) Electrostatic Discharge (Note 4) (Human Body Model (HBM) 100 pF/1500 W) Input All other Single Pulse Inductive Load Switching Energy (Note 4) (VDD = 13.5 V, I = 465 mApk, L = 200 mH, TJStart = 150C) Operating Junction Temperature Storage Temperature EAS TJ Tstorage -40 -55 Symbol VD VLoaddump Iin Iout PD -15 Min -16 Max 45 100 15 Internally Limited 1.13 1.60 Unit V V mA A W
kV 1 5 29 +150 +150 mJ C C
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability. 1. Reverse Output current has to be limited by the load to stay within absolute maximum ratings and thermal performance. 2. Minimum Pad. 3. 1 in square pad size, FR-4, 1 oz Cu. 4. Not subjected to production testing.
THERMAL RESISTANCE RATINGS
Parameter Thermal Resistance (Note 5) Junction-to-Ambient (Note 2) Junction-to-Ambient (Note 3) 5. Not subjected to production testing. Symbol RqJA RqJA Max Value 110 78.3 Unit K/W
-
+
ID VD IIN IN OUT NCV8450 VOUT
Figure 2. Applications Test Circuit
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NCV8450
ELECTRICAL CHARACTERISTICS (6 v VD v 45 V; -40C Value Rating OUTPUT CHARACTERISTICS Operating Supply Voltage On Resistance (Pin 1 Connected to GND) VSUPPLY RON TJ = 25C , IOUT = 150 mA, VD = 7 V - 45 V TJ = 150C, IOUT = 150 mA, VD = 7 V - 45 V (Note 6) TJ = 25C , IOUT= 150 mA, VD = 6 V VD v 20 V VD > 20 V VOUT v 0.1 V, RL = 270 W, TJ = 25C VOUT v 0.1V, RL = 270 W, TJ = 150C (Note 6) -50 -40 1.5 1 125 100 175 150 4 4 4 4 3 4.5 - 1.0 1.4 1.1 0.6 45 2 3 2.1 10 100 mA V W Symbol Conditions Min Typ Max Unit
Standby Current (Pin 1 Open) INPUT CHARACTERISTICS Input Current - Off State Input Current - On State (Pin 1 Grounded) Input Resistance (Note 6) SWITCHING CHARACTERISTICS Turn-On Time (Note 7) (VIN = VD to 0 V) to 90% VOUT Turn-Off Time (Note 7) (VIN = 0 V to VD ) to 10% VOUT Slew Rate On (Note 7) (VIN = VD to 0V) 10% to 30% VOUT Slew Rate Off (Note 7) (VIN = 0 V to VD) 70% to 40% VOUT Drain-Source Diode Voltage Continuous Reverse Drain Current PROTECTION FUNCTIONS (Note 8) Temperature Shutdown (Note 6) Temperature Shutdown Hysteresis (Note 6) Output Current Limit
ID
IIN_OFF IIN_ON RIN tON tOFF dV/dtON
mA mA kW ms ms V/ms
RL = 270 W (Note 6) VD = 13.5 V, RL = 270 W, TJ = 25C RL = 270 W (Note 6) VD = 13.5 V, RL = 270 W, TJ = 25C RL = 270 W (Note 6) VD = 13.5 V, RL = 270 W, TJ = 25C RL = 270 W (Note 6) VD = 13.5 V, RL = 270 W, TJ = 25C
30 60 0.7
dV/dtOFF
0.9
V/ms
OUTPUT DIODE CHARACTERISTICS (Note 6) VF IS IOUT = -0.2 A TJ = 25C 0.6 0.2 V A
TSD TSD_HYST ILIM TJ = -40C, VD = 13.5 V, tm = 100 ms (Note 6) TJ = 25 C, VD = 13.5 V, tm = 100 ms TJ = 150 C , VD = 13.5 V, tm = 100 ms (Note 6) IOUT = 4 mA
150
175 5
-
C C
0.5 45
0.8 52
1.5
A
Output Clamp Voltage (Inductive Load Switch Off) At VOUT = VD - VCLAMP Overvoltage Protection
VCLAMP
V
VIN_CL
ICLAMP = 4 mA
50
54
V
6. Not subjected to production testing 7. Only valid with high input slew rates 8. Protection functions are not designed for continuous repetitive operation and are considered outside normal operating range
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NCV8450
TYPICAL CHARACTERISTIC CURVES
2.0 1.8 1.6 1.4 RDS(on) (W) 1.0 0.8 0.6 0.4 0.2 0 -40 -20 0 20 40 60 80 100 TEMPERATURE (C) 120 140 VD = 6 V VD = 15 V RDS(on) (W) 1.2 1.0 0.95 0.9 0.85 0.8 0.75 0.7 0.65 0.6 0 0.1 0.2 0.3 TA = 25C 0.4 0.5 VD = 9 V VD = 6 V
Iout = 150 mA
OUTPUT LOAD (A)
Figure 3. RDS(on) vs. Temperature
5.0 4.5 4.0 3.5 RDS(on) (W) 3.0 2.5 2.0 1.5 1.0 0.5 0 0 10 20 VD (V) 30 40 50 150C 125C 25C -40C TURN ON TIME (ms) 80 70 60 50 40 30 20 10 0 -40 -20
Figure 4. RDS(on) vs. Output Load
RLOAD = 270 W
VD = 42 V
VD = 13.5 V VD = 9 V
0
20
40
60
80
100
120
140
Figure 5. RDS(on) vs. VD
TEMPERATURE (C)
Figure 6. Turn On Time vs. Temperature
1.2 1.0 0.8 VD = 13.5 V 0.6 0.4 0.2 0 -40 VD = 9 V
140 120 100 80 60 40 20 0 -40
RLOAD = 270 W SLEW RATE (ON) (V/ms)
RLOAD = 270 W VD = 42 V
TURN OFF TIME (ms)
VD = 42 V
VD = 13.5 V VD = 9 V
-20
0
20
40
60
80
100
120
140
-20
0
20
40
60
80
100
120
140
TEMPERATURE (C)
TEMPERATURE (C)
Figure 7. Turn Off Time vs. Temperature
Figure 8. Slew Rate (ON) vs. Temperature
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NCV8450
TYPICAL CHARACTERISTIC CURVES
1.2 SLEW RATE (OFF) (V/ms) 1 0.8 0.6 0.4 0.2 0 -40 RLOAD = 270 W -20 0 20 40 60 80 100 120 140 TEMPERATURE (C) VD = 13.5 V VD = 42 V CURRENT LIMIT (A) 1.4 1.2 1 0.8 0.6 0.4 0.2 0 -40 -20 0 20 40 60 80 VD = 13.5 V 100 120 140
VD = 9 V
TEMPERATURE (C)
Figure 9. Slew Rate (OFF) vs. Temperature
Figure 10. Current Limit vs. Temperature
1.4 VD, LEAKAGE CURRENT (mA) 1.2 PEAK SC CURRENT (A) 1.0 0.8 0.6 0.4 0.2 0 0 10 20 30 40 50 150C TA = -40C 25C 125C
70 60 50 40 30 20 10 0 -40 -20 0 VD = 25 V VD = 15 V 20 40 60 80 100 TEMPERATURE (C) 120 140 VD = 45 V
VD, VOLTAGE (V)
Figure 11. Peak Short Circuit Current vs. VD Voltage
70 VD, LEAKAGE CURRENT (mA) 60 50 40 30 20 25C 10 0 0 5 10 15 20 25 30 35 40 45 -40C 125C 150C INPUT CURRENT (mA) 2.5 2.0 1.5 1.0 0.5 0 -40
Figure 12. VD Leakage Current vs. Temperature Off-State
VD = 45 V VD = 28 V VD = 15 V VD = 6 V
-20
0
20
40
60
80
100
120
140
VD, VOLTAGE (V)
TEMPERATURE (C)
Figure 13. VD Leakage Current vs. VD Voltage Off-State
Figure 14. On-State Input Current vs. Temperature
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NCV8450
TYPICAL CHARACTERISTIC CURVES
80 70 INPUT CURRENT (mA) 60 50 40 30 20 10 0 0 20 VD, VOLTAGE (V) 40 Rout = 100 W 150C OUTPUT VOLTAGE (V) 125C 25C -40C 12 10 8.0 6.0 4.0 2.0 0 0 ROUT = 100 kW VIN = 0 V 1 2 3 4 5 6 VD, VOLTAGE (V) 7 8 9 10
Figure 18. Input Current vs. VD Voltage Off-State
8 7 INPUT CURRENT (mA) 6 5 4 3 2 1 0 0 5 10 15 20 25 30 35 40 45 50 55 60 65 VD, VOLTAGE (V) 25C 125C -40C 150C 900 800 700 CURRENT (mA) 600 500 400 300 200 100 0 50
Figure 15. Output Voltage vs. VD Voltage
TA = 150C VD = 20 V 100 LOAD INDUCTANCE (mH) 150
Figure 16. Input Current vs. VD Voltage On-State
1000 VD = 13.5 V SHUTDOWN TIME (ms) 100 VD = 24 V VD = 42 V 10
Figure 17. Single Pulse Maximum Switch-off Current vs. Load Inductance
1 -40
-20
0
20
40
60
80
100
120 140
TEMPERATURE (C)
Figure 19. Initial Short-Circuit Shutdown Time vs. Temperature
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NCV8450
TYPICAL CHARACTERISTIC CURVES
140 120 100 RqJA (C/W) 80 60 40 20 0 0 300 400 500 600 100 200 COPPER HEAT SPREADER AREA (mm2) 700 PCB Cu thickness, 2.0 oz PCB Cu thickness, 1.0 oz
Figure 20. RqJA vs. Copper Area
R(t), EFFECTIVE TRANSIENT THERMAL RESPONSE
1000 100 Duty Cycle = 0.5 0.2 10 0.1 0.05 0.02 1 0.01 0.1 Single Pulse 0.01 Psi TSP-A(t) 1E-05 1E-04 1E-03 1E-02 1E-01 1E+00 1E+01 1E+02 1E+03
0.001 1E-06
PULSE TIME (s)
Figure 21. Transient Thermal Response
ISO PULSE TEST RESULTS
Test Pulse 1 2 3a 3b 5 Test Level 200 V 150 V 200 V 200 V 175 V Test Results C C C C E(100 V) Pulse Cycle Time and Generator Impedance 500 ms, 10 W 500 ms, 10 W 100 ms, 50 W 100 ms, 50 W 400 ms, 2 W
ORDERING INFORMATION
Device NCV8450STT3G Package SOT-223 (Pb-Free) Shipping 4000 / Tape & Reel
For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging Specifications Brochure, BRD8011/D.
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NCV8450
PACKAGE DIMENSIONS
SOT-223 (TO-261) CASE 318E-04 ISSUE M
D b1
NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: INCH. MILLIMETERS NOM MAX 1.63 1.75 0.06 0.10 0.75 0.89 3.06 3.20 0.29 0.35 6.50 6.70 3.50 3.70 2.30 2.40 0.94 1.05 1.75 2.00 7.00 7.30 10 - INCHES NOM 0.064 0.002 0.030 0.121 0.012 0.256 0.138 0.091 0.037 0.069 0.276 -
4
HE
E
1 2 3
e1
b e A q L1 C
DIM A A1 b b1 c D E e e1 L1 HE
q
MIN 1.50 0.02 0.60 2.90 0.24 6.30 3.30 2.20 0.85 1.50 6.70 0
MIN 0.060 0.001 0.024 0.115 0.009 0.249 0.130 0.087 0.033 0.060 0.264 0
MAX 0.068 0.004 0.035 0.126 0.014 0.263 0.145 0.094 0.041 0.078 0.287 10
0.08 (0003)
A1
SOLDERING FOOTPRINT*
3.8 0.15 2.0 0.079
2.3 0.091
2.3 0.091
6.3 0.248
2.0 0.079 1.5 0.059
mm inches
SCALE 6:1
*For additional information on our Pb-Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D.
ON Semiconductor and are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice to any products herein. SCILLC makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does SCILLC assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages. "Typical" parameters which may be provided in SCILLC data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including "Typicals" must be validated for each customer application by customer's technical experts. SCILLC does not convey any license under its patent rights nor the rights of others. SCILLC products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the SCILLC product could create a situation where personal injury or death may occur. Should Buyer purchase or use SCILLC products for any such unintended or unauthorized application, Buyer shall indemnify and hold SCILLC and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that SCILLC was negligent regarding the design or manufacture of the part. SCILLC is an Equal Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner.
PUBLICATION ORDERING INFORMATION
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NCV8450/D

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