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SI4750DY Datasheet Smart Power High-Side Switch

Manufacturer: Vishay

Overview: Si4750DY New Product www.DataSheet4U.com Vishay Siliconix Smart Power High-Side Switch PRODUCT SUMMARY Overvoltage Protection Vbb(AZ) (V) 41 Operating Voltage Vbb(on) (V) 5 − 15 On-State Resistance RON (mW) 50 Nominal Load Current IL(nom) (A) 2.

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General Description

The Si4750DY is an n-channel verticle power FET with charge pump, ground referenced CMOS compatible input, and fully protected by embedded protection functions.

FUNCTIONAL BLOCK DIAGRAM VBAT Voltage Regulator ESD Controller IN ESD Overload and Short Circuit Charge Pump and Gate Drive MOSFET Die VST Load Source S Controller IC Thermal Shutdown with Hysterisis Load Sense Diode Document Number: 72219 S-32411—Rev.

B, 24-Nov-03 www.vishay.com 1 Si4750DY Vishay Siliconix www.DataSheet4U.com New Product PIN CONFIGURATION SO-8 1 2 3 4 Top View Ordering Information: Si4750DY—E3 Si4750DY-T1—E3 (with Tape and Reel) 8 7 6 5 TRUTH TABLE IN H L MOSFET ON OFF PIN DESCRIPTION Pin Number 1 2, 3, 4 5, 6 7 8 Symbol IN VBAT S GND VST Input Logic Signal Description VBAT/MOSFET Drain, Bypass Cap is Mandatory MOSFET Source Ground Status Output Pin ABSOLUTE MAXIMUM RATINGS (TA = 25_C UNLESS OTHERWISE NOTED) Parameter Supply Voltage Supply Voltage For Full Short Circuit Protection (TA = −40 to 150_C) Continuous Input Voltage Load Current (Short Circuit Current—see page 3) Current Through Input Pin (dc) Operating Temperature Storage Temperature Power Dissipationa Inductive Load Switch-Off Energy Dissipation Single Pluse (TA = 25_C)

Key Features

  • D D D D D D D Overload Protection Current Limitation Short Circuit Protection Thermal Shutdown with Restart Overvoltage Protection (Including Load Dump) Reverse Battery Protection with External Resistor CMOS Compatible Input D Start A Cold Filament Lamp D ESD Protection D Low Standby Current.

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