CS5303 datasheet(7/19 Pages) ONSEMI

Teilenummer	CS5303

Bauteilbeschribung	Three?뭁hase Buck Controller with Integrated Gate Drivers

PDF	19 Pages

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Hersteller	ONSEMI [ON Semiconductor]

Direct Link	http://www.onsemi.com

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CS5303

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PACKAGE PIN DESCRIPTION (continued)

PACKAGE PIN #

FUNCTION

PIN SYMBOL

28 Lead SO Wide

FUNCTION

PIN SYMBOL

REF

Reference output. Decouple with 0.1 μF to GndL2

VCCH3

Power for Gate(H)3.

Gate(H)3

High side driver #3.

Gnd3

Return for #3 drivers.

Gate(L)3

Low side driver #3.

VCCL23

Power for Gate(L)2 and Gate(L)3.

Gate(L)2

Low side driver #2.

GndL2

Return for #2 driver, internal control circuits and IC substrate

connection.

Gate(H)2

High side driver #2.

VCCH12

Power for Gate(H)1 and Gate(H)2. UVLO Sense for High

Side Driver supply connects to this pin.

Gate(H)1

High side driver #1.

Gnd1

Return for #1 drivers.

Gate(L)1

Low side driver #1.

VCCLL1

Power for internal control circuits and Gate(L)1. UVLO Sense

for Logic and Low Side Driver supply connects to this pin.

ROSC

A resistor from this pin to ground sets operating frequency

and VFB bias current.

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