LM5033 datasheet(2/23 Pages) TI1

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LM5033

SNVS181A – MAY 2004 – REVISED MAY 2005

www.ti.com

Pin Description (continued)

NAME

DESCRIPTION

APPLICATION INFORMATION

OUT1

Gate Driver Output #1

Alternating output gate driver, which can source and sink

1.5A.

OUT2

Gate Driver Output #2

Alternating output gate driver, which can source and sink

1.5A.

GND

Ground pin for all internal circuitry

Connections to external ground must be done with care

for optimum performance. See the Functional Description

and Application Information Section for more information.

Current sense input

Current sense input for the current limit detection. If CS

exceeds 0.5V the outputs are disabled and the softstart

pin is discharged to ground.

RT/ SYNC

Oscillator timing resistor pin and synchronization input

An external resistor to ground sets the oscillator

frequency. This pin will also accept ac-coupled

synchronization pulses from an external source.

Softstart pin

An internal 10µA current source and an external

capacitor set the soft-start timing. This pin can be

externally pulled to below 0.5V to disable the output

drivers.

WSON

SUB

Die Substrate

The exposed die attach pad on the WSON package

DAP

should be connected to a PCB thermal pad at ground

potential. For additional information on using Texas

Instruments's No Pull Back WSON package, please refer

to Application Note AN-1187.

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