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The IRSF3021 Lamp and DC Motor Driver is a fully protected three terminal monolithic SMART POWER MOSFET that features current limiting, over-temperature protection, gate-to-source ESD protection and gate-to-drain clamp for over-voltage protection.
The on-chip protection circuit limits the drain current in the on-state. The over-temperature circuitry turns off the POWER MOSFET when the junction temperature exceeds 165°C. The device restarts automatically once it has cooled down below the reset temperature.
The IRSF3021 is specifically designed for driving loads that require overload protection and in-rush current control while operating in automotive and industrial environments. Targeted applications include resistive loads such as lamps or capacitive loads such as airbag squibs and DC motor drives.
IRSF3021 Maximum Ratings
Minimum
Maximum
Units
Test Conditions
Vds,max
Continuous Drain to Source Voltage
-
50
V
Vin,max
Continuous Input Voltage
-0.3
8
Ids
Continuous Drain Current
-
self limited
Tc 25
Pd
Power Dissipation
-
30
W
EAS
Unclamped Single Pulse Inductive Energy
-
200
mJ
Vesd1
Electrostatic Discharge Voltage (Human Body Model)
-
4000
V
1000pF. 1.5k
Vesd2
Electrostatic Discharge Voltage (Machine Model)
-
1000
200pF, 0
TJop
Operating Junction Temperature Range
-40
self limited
TStg
Storage Temperature Range
-40
175
TL
Lead Temperature (Soldering, 10 seconds)
-
300
IRSF3021 Features
· Controlled Slew Rate Reduces EMI · Over Temperature Protection with Auto-Restart · Linear Current-Limit Protection · Active Drain-to-Source Clamp · ESD Protection · Compatible with Standard Power MOSFET · Low Operating Input Current · Monolithic Construction · Logic Level Input Threshold
IRSF3021 Typical Application
· Cabin Lighting · Airbag System · Programmable Logic Controller · DC Motor Drive