CS5332 datasheet(1/20 Pages) ONSEMI

Teilenummer	CS5332

Bauteilbeschribung	Two?뭁hase Buck Controller with Integrated Gate Drivers for VRM 9.0

PDF	20 Pages

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Hersteller	ONSEMI [ON Semiconductor]

Direct Link	http://www.onsemi.com

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July, 2006 − Rev. 11

1

Publication Order Number:

CS5332/D

CS5332

Two−Phase Buck Controller

with Integrated Gate

Drivers for VRM 9.0

The CS5332 is a two−phase step down controller which

incorporates all control functions required to power high performance

processors and high current power supplies. Proprietary multi−phase

architecture guarantees balanced load current distribution and reduces

overall solution cost in high current applications. Enhanced V2™

control architecture provides the fastest possible transient response,

excellent overall regulation, and ease of use.

The CS5332 multi−phase architecture reduces output voltage and

input current ripple, allowing for a significant reduction in inductor

values and a corresponding increase in inductor current slew rate. This

approach allows a considerable reduction in input and output capacitor

requirements, as well as reducing overall solution size and cost.

Features

• Enhanced V2 Control Method

• VRM 9.0 Compatible 5−Bit DAC with 1.0% Accuracy

• Adjustable Output Voltage Positioning

• 4 On−Board GATE Drivers

• 200 kHz to 800 kHz Operation Set by Resistor

• Current Sensed through Buck Inductors, or Sense Resistors

• Hiccup Mode Current Limit

• Individual Current Limits for Each Phase

• On−Board Current Sense Amplifiers

• 3.3 V, 1.0 mA Reference Output

• 5.0 V and/or 12 V Operation

• On/Off Control (through Soft Start Pin)

• Power Good Output with Internal Delay

http://onsemi.com

Device

Package

Shipping

ORDERING INFORMATION

CS5332GDW28

SO−28L

27 Units/Rail

CS5332GDWR28

SO−28L

1000 Tape & Reel

PIN CONNECTIONS

SO−28L

DW SUFFIX

CASE 751F

A

= Assembly Location

WL, L

= Wafer Lot

YY, Y

= Year

WW, W = Work Week

MARKING DIAGRAM

1

CS5332

AWLYYWW

28

1

28

1

28

LGND

VID0

VCCH1

PWRGD

GATE(H)1

CSREF

GND1

CS2

GATE(L)1

CS1

VCCL1

VDRP

VCCL

VFB

ROSC

COMP

SS

VID1

VCCL2

VID2

GND2

VID4

GATE(L)2

VID3

GATE(H)2

ILIM

VCCH2

REF

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