FDBS09H04A-F085A

FDBS09H04A-F085A Datasheet


FDBS09H04A_F085A/FDPS09H04A_F085A Smart High Side Switch

Part Datasheet
FDBS09H04A-F085A FDBS09H04A-F085A FDBS09H04A-F085A (pdf)
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FDBS09H04A_F085A/FDPS09H04A_F085A Smart High Side Switch

April 2012

FDBS09H04A_F085A/FDPS09H04A_F085A

Smart High Side Switch
• Short circuit protection with latch
• Current limitation
• Overload protection
• Thermal shutdown with restart
• Overvoltage protection including load dump
• Loss of ground protection
• Loss of supply protection with external diode for charged
inductive load
• Very low standby current
• Fast demagnetization of inductive loads
• ESD protection
• Optimized static electromagnetic compatibility
• Diagnostic function - Proportional load current sense with
defined fault signal in case of overload operation, over temperature shutdown and/or short circuit shutdown
• Qualified to AEC
• Power switch with current sense diagnostic feedback for DC grounded loads
• All types of resistive, inductive, and capacitive loads
• Replace electromechanical relays, fuses and discrete circuits

N channel power FET with charge pump, current controlled input and diagnostic feedback with load current sense, integrated in Smart Trench chip on chip technology. Provides embedded protective functions.

TO263-7L

TO220-7L
Ordering Information

Part Number FDBS09H04A_F085A

Package

TO263-7L

Operating Temperature
-40 C - 150 C

Eco Status RoHS

Packing Method Tape & Reel

For Fairchild’s definition of “green” Eco Status, please visit:
2011 Fairchild Semiconductor Corporation

FDBS09H04A_F085A/FDPS09H04A_F085A

FDBS09H04A_F085A/FDPS09H04A_F085A Smart High Side Switch

Block Diagram

Voltage Source

Charge Current

Gate

Pump

Limit Protection

High-side Driver

Input / Output 3 IN ESD & OVP

Protection IS

UVLO &

Control Logic

SCIS

Temp. Sense

Current Sense

Overload Detection

Output Voltage Detection

OUT 2

Pin Definitions

Pin Number
1 2 3 4 5

Pin Name

IN Vbb IS

Pin Function Description

Output to loads Pins 1, 2, 6 and 7 must be externally shorted

Output to loads Pins 1, 2, 6 and 7 must be externally shorted

Input Activates the power switch if shorted to ground

Supply Voltage Pin 4 and tab are internally shorted

Sense Output, Diagnostic feedback Provides at normal operation a sense
current proportional to the load current in case of overload, over tempera-
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Datasheet ID: FDBS09H04A-F085A 514068