© Semiconductor Components Industries, LLC, 2015
October, 2018 Rev. 6
1Publication Order Number:
NCV8450/D
NCV8450, NCV8450A
Self-Protected High Side
Driver with Temperature
and Current Limit
The NCV8450/A is a fully protected HighSide 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
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
NCV Prefix for Automotive and Other Applications Requiring
Unique Site and Control Change Requirements; AECQ100
Qualified and PPAP Capable
These Devices are PbFree, Halogen Free/BFR Free and are RoHS
Compliant
Typical Applications
Automotive
Industrial
PRODUCT SUMMARY
Symbol Characteristics Value Unit
VIN_CL Overvoltage Protection 54 V
VD(on) Operation Voltage 4.5 45 V
Ron OnState Resistance 1.0 W
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MARKING
DIAGRAM
1
AYW
XXXXXG
G
XXXXX = V8450 or 8450A
A = Assembly Location
Y = Year
W = Work Week
G= PbFree Package
(Note: Microdot may be in either location)
SOT223
(TO261)
CASE 318E
See detailed ordering and shipping information in the package
dimensions section on page 8 of this data sheet.
ORDERING INFORMATION
NCV8450, NCV8450A
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2
Figure 1. Block Diagram
Control
Logic
R_IN Current
Limitation
Overtemperature
Detection
Regulated
Charge Pump
Output
Clamping
VD (Pins 2, 4)
OUT
(Pin 3)
IN
(Pin 1)
PACKAGE PIN DESCRIPTION
Pin # Symbol Description
1 IN Control Input, Active Low
2 VDSupply Voltage
3 OUT Output
4 VDSupply Voltage
NCV8450, NCV8450A
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3
MAXIMUM RATINGS
Rating Symbol
Value
Unit
Min Max
DC Supply Voltage (Note 1) VD16 45 V
Load Dump Protection
(RI = 2 W, td = 400 ms, VIN = 0, 10 V, IL = 150 mA, Vbb = 13.5 V)
VLoaddump 85 V
Input Current Iin 15 15 mA
Output Current (Note 1) Iout Internally Limited A
Total Power Dissipation
@ TA = 25°C (Note 2)
@ TA = 25°C (Note 3)
PD1.13
1.60
W
Electrostatic Discharge (Note 4)
(Human Body Model (HBM) 100 pF/1500 W)
Input
All other
1
5
kV
Single Pulse Inductive Load Switching Energy (Note 4)
(VDD = 13.5 V, I = 465 mApk, L = 200 mH, TJStart = 150°C)
EAS 29 mJ
Operating Junction Temperature TJ40 +150 °C
Storage Temperature Tstorage 55 +150 °C
Stresses exceeding those listed in the Maximum Ratings table may damage the device. If any of these limits are exceeded, device functionality
should not be assumed, damage may occur and reliability may be affected.
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, FR4, 1 oz Cu.
4. Not subjected to production testing.
THERMAL RESISTANCE RATINGS
Parameter Symbol Max Value Unit
Thermal Resistance (Note 5)
JunctiontoAmbient (Note 2)
JunctiontoAmbient (Note 3)
RqJA
RqJA
110
78.3
K/W
5. Not subjected to production testing.
Figure 2. Applications Test Circuit
NCV8450/A
OUTIN
VD
ID
VOUT
IIN
+
NCV8450, NCV8450A
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4
ELECTRICAL CHARACTERISTICS (6 v VD v 45 V; 40°C <TJ < 150°C unless otherwise specified)
Rating Symbol Conditions
Value
Unit
Min Typ Max
OUTPUT CHARACTERISTICS
Operating Supply Voltage VSUPPLY 4.5 45 V
On Resistance
(Pin 1 Connected to GND)
RON TJ = 25°C , IOUT = 150 mA, VD = 7 V 45 V
TJ = 150°C, IOUT = 150 mA, VD = 7 V 45 V
(Note 6)
TJ = 25°C , IOUT= 150 mA, VD = 6 V
1.0
1.4
1.1
2
3
2.1
W
Standby Current (Pin 1 Open) IDVD v 20 V
VD > 20 V
0.6 10
100
mA
INPUT CHARACTERISTICS
Input Current – Off State IIN_OFF VOUT v 0.1 V, RL = 270 W, TJ = 25°C
VOUT v 0.1V, RL = 270 W, TJ = 150°C (Note 6)
50
40
mA
Input Current – On State
(Pin 1 Grounded)
IIN_ON 1.5 3 mA
Input Resistance (Note 6) RIN 1kW
SWITCHING CHARACTERISTICS
TurnOn Time (Note 7)
(VIN = VD to 0 V) to 90% VOUT
tON RL = 270 W (Note 6)
VD = 13.5 V, RL = 270 W, TJ = 25°C30
125
100
ms
TurnOff Time (Note 7)
(VIN = 0 V to VD ) to 10% VOUT
tOFF RL = 270 W (Note 6)
VD = 13.5 V, RL = 270 W, TJ = 25°C60
175
150
ms
Slew Rate On (Note 7)
(VIN = VD to 0V) 10% to 30%
VOUT
dV/dtON RL = 270 W (Note 6)
VD = 13.5 V, RL = 270 W, TJ = 25°C0.7
4
4
V/ms
Slew Rate Off (Note 7)
(VIN = 0 V to VD) 70% to 40%
VOUT
dV/dtOFF RL = 270 W (Note 6)
VD = 13.5 V, RL = 270 W, TJ = 25°C0.9
4
4
V/ms
OUTPUT DIODE CHARACTERISTICS (Note 6)
DrainSource Diode Voltage VFIOUT = 0.2 A 0.6 V
Continuous Reverse Drain
Current
ISTJ = 25°C 0.2 A
PROTECTION FUNCTIONS (Note 8)
Temperature Shutdown (Note 6) TSD 150 175 °C
Temperature Shutdown
Hysteresis (Note 6)
TSD_HYST 5°C
Output Current Limit ILIM TJ = 40°C, 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) 0.5
0.8
1.5 A
Output Clamp Voltage
(Inductive Load Switch Off)
At VOUT = VD VCLAMP
VCLAMP IOUT = 4 mA 45 52 V
Overvoltage Protection 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
NCV8450, NCV8450A
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5
TYPICAL CHARACTERISTIC CURVES
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
40 20 0 20 40 60 80 100 120 140
RDS(on) (W)
TEMPERATURE (°C)
Figure 3. RDS(on) vs. Temperature
VD = 6 V
VD = 15 V
Iout = 150 mA
0.6
0.65
0.7
0.75
0.8
0.85
0.9
0.95
1.0
0 0.1 0.2 0.3 0.4 0.5
RDS(on) (W)
OUTPUT LOAD (A)
Figure 4. RDS(on) vs. Output Load
VD = 6 V
VD = 9 V
TA = 25°C
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
01020304050
VD (V)
Figure 5. RDS(on) vs. VD
RDS(on) (W)
150°C
125°C
25°C
40°C
0
10
20
30
40
50
60
70
80
TURN ON TIME (ms)
TEMPERATURE (°C)
Figure 6. Turn On Time vs. Temperature
VD = 42 V
VD = 13.5 V
VD = 9 V
0
20
40
60
80
100
120
140
TEMPERATURE (°C)
Figure 7. Turn Off Time vs. Temperature
TURN OFF TIME (ms)
VD = 42 V
VD = 13.5 V
VD = 9 V
0
0.2
0.4
0.6
0.8
1.0
1.2
SLEW RATE (ON) (V/ms)
TEMPERATURE (°C)
Figure 8. Slew Rate (ON) vs. Temperature
VD = 42 V
VD = 13.5 V
VD = 9 V
40 20 0 20 40 60 80 100 120 140
40 20 0 20 40 60 80 100 120 140 40 20 0 20 40 60 80 100 120 140
RLOAD = 270 W
RLOAD = 270 WRLOAD = 270 W
NCV8450, NCV8450A
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6
TYPICAL CHARACTERISTIC CURVES
0
0.2
0.4
0.6
0.8
1
1.2
TEMPERATURE (°C)
Figure 9. Slew Rate (OFF) vs. Temperature
SLEW RATE (OFF) (V/ms)
VD = 42 V
VD = 13.5 V
VD = 9 V
40 20 0 20 40 60 80 100 120 140
RLOAD = 270 W
0
0.2
0.4
0.6
0.8
1
1.2
1.4
40 20 0 20 40 60 80 100 120 140
TEMPERATURE (°C)
Figure 10. Current Limit vs. Temperature
CURRENT LIMIT (A)
VD = 13.5 V
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
02040
PEAK SC CURRENT (A)
VD, VOLTAGE (V)
Figure 11. Peak Short Circuit Current vs. VD
Voltage
150°C
125°C
25°C
TA = 40°C
0
10
20
30
40
50
60
70
40 20 0 20 40 60 80 100 120 140
VD = 45 V
VD = 25 V
VD = 15 V
TEMPERATURE (°C)
Figure 12. VD Leakage Current vs.
Temperature OffState
VD, LEAKAGE CURRENT (mA)
0
10
20
30
40
50
60
70
0 5 10 15 20 25 30 35 40 45
150°C
125°C
25°C
40°C
VD, LEAKAGE CURRENT (mA)
VD, VOLTAGE (V)
Figure 13. VD Leakage Current vs. VD Voltage
OffState
0
0.5
1.0
1.5
2.0
2.5
TEMPERATURE (°C)
Figure 14. OnState Input Current vs.
Temperature
INPUT CURRENT (mA)
VD = 45 V
VD = 28 V
VD = 15 V
VD = 6 V
10 30 50
40 20 0 20 40 60 80 100 120 140
NCV8450, NCV8450A
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7
TYPICAL CHARACTERISTIC CURVES
0
2.0
4.0
6.0
8.0
10
12
012345678910
VD, VOLTAGE (V)
Figure 15. Output Voltage vs. VD Voltage
OUTPUT VOLTAGE (V)
ROUT = 100 kW
VIN = 0 V
0
1
2
3
4
5
6
7
8
0 5 10 15 20 25 30 35 40 45 50 55 60 65
150°C
125°C
25°C
40°C
VD, VOLTAGE (V)
Figure 16. Input Current vs. VD Voltage
OnState
INPUT CURRENT (mA)
LOAD INDUCTANCE (mH)
Figure 17. Single Pulse Maximum Switchoff
Current vs. Load Inductance
CURRENT (mA)
0
10
20
30
40
50
60
70
80
02040
VD, VOLTAGE (V)
Figure 18. Input Current vs. VD Voltage
OffState
INPUT CURRENT (mA)
150°C
125°C
25°C
40°C
Rout = 100 W
0
100
200
300
400
500
600
700
800
900
50 100 150
TA = 150°C
VD = 20 V
1
10
100
1000
40 40 80 140
SHUTDOWN TIME (ms)
TEMPERATURE (°C)
Figure 19. Initial ShortCircuit Shutdown Time
vs. Temperature
VD = 13.5 V
VD = 24 V
VD = 42 V
020 20 60 100 120
NCV8450, NCV8450A
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8
TYPICAL CHARACTERISTIC CURVES
PULSE TIME (s)
1E021E031E041E051E06
0.001
0.01
0.1
10
100
1000
R(t), EFFECTIVE TRANSIENT THERMAL RESPONSE
1E01 1E+00 1E+01 1E+02 1E+03
Psi TSPA(t)
Single Pulse
Duty Cycle = 0.5
0.2
0.1
0.05
0.02
0.01
1
COPPER HEAT SPREADER AREA (mm2)
RqJA (°C/W)
PCB Cu thickness, 1.0 oz
0
60
80
100
120
140
300 400 500 600 700
Figure 20. RqJA vs. Copper Area
0 100 200
PCB Cu thickness, 2.0 oz
20
40
Figure 21. Transient Thermal Response
ISO PULSE TEST RESULTS
Test Pulse Test Level Test Results Pulse Cycle Time and Generator Impedance
1200 V C500 ms, 10 W
2150 V C500 ms, 10 W
3a 200 V C100 ms, 50 W
3b 200 V C100 ms, 50 W
5175 V E(100 V) 400 ms, 2 W
ORDERING INFORMATION
Device Package Shipping
NCV8450STT3G SOT223
(PbFree)
4000 / Tape & Reel
NCV8450ASTT3G SOT223
(PbFree)
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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