CS5161 datasheet(1/18 Pages) ONSEMI

Il numero della parte	CS5161

Spiegazioni elettronici	CPU 5?묪it Synchronous Buck Controller

PDF	18 Pages

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Produttore elettronici	ONSEMI [ON Semiconductor]

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July, 2006 − Rev. 12

1

Publication Order Number:

CS5161/D

CS5161, CS5161H

CPU 5−Bit Synchronous

Buck Controller

The CS5161/5161H are 5−bit synchronous dual N−Channel buck

controllers designed to provide unprecedented transient response for

today’s demanding high−density, high−speed logic. They operate

using a proprietary control method which allows a 100 ns response

time to load transients. The CS5161 is designed to operate over a

9−16 V range (VCC) using 12 V to power the IC and 5.0 V as the main

supply for conversion.

The CS5161H operates from a 12 V input as the main supply for

conversion using a discrete charge pump circuit to provide up to 20 V

for VCC2 and high side gate drive.

The CS5161/5161H are specifically designed to power

Pentium® III processors and other high performance core logic. They

include the following features: on board 5−bit DAC, short circuit

protection, 1.0% output tolerance, VCC monitor, and programmable

Soft Start capability. The CS5161/5161H are available in 16 pin

surface mount packages.

Features

• Dual N−Channel Design

• Excess of 1.0 MHz Operation

• 100 ns Transient Response

• 5−Bit DAC

• Backward Compatible with CS515X Family

• 30 ns Gate Rise/Fall Times

• 1.0% DAC Accuracy

• 5.0 V & 12 V Operation

• Remote Sense

• Programmable Soft Start

• Lossless Short Circuit Protection

• VCC Monitor

• 50 ns FET Nonoverlap Time

• V2™ Control Topology

• Current Sharing

• Overvoltage Protection

CS5161GDR16

MARKING

DIAGRAMS

A

= Assembly Location

WL, L

= Wafer Lot

YY, Y

= Year

WW, W = Work Week

Device

Package

Shipping

ORDERING INFORMATION

CS5161GD16

SO−16

48 Units/Rail

SO−16

2500 Tape & Reel

1

COMP

VFFB

VFB

COFF

SS

VID0

VCC2

VCC1

VGATE(L)

VGATE(H)

PGnd

PIN CONNECTIONS

LGnd

CS5161HGD16

CS5161HGDR16

SO−16

48 Units/Rail

2500 Tape & Reel

VID1

VID2

VID3

VID4

SO−16

D SUFFIX

CASE 751B

1

16

CS5161

AWLYWW

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