Datasheet > CS517GD16

CS517GD16

更新时间： 2024-01-22 22:56:59

品牌	Logo	应用领域
其他 - ETC		模拟IC
页数	文件大小	规格书
16页	178K
描述
Analog IC

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CS517GD16 数据手册

CS5157

CPU 5-Bit Synchronous Buck Controller

Features

Description

The CS5157 is a 5-bit synchronous

The CS5157 is specifically designed

to power Pentium^®II processors

and other high performance core

logic. It includes the following fea-

tures: on board, 5-bit DAC, short

circuit protection, 1.0% output tol-

ꢀ Dual N-Channel Design

ꢀ Excess of 1MHz Operation

ꢀ 100ns Transient Response

ꢀ 5-Bit DAC

dual N-Channel buck controller. It

is designed to provide unprece-

dented transient response for

today’s demanding high-density,

high-speed logic. The regulator

ꢀ Backward Compatible with

operates using a proprietary control erance, V_CCmonitor, and pro-

Adjustable CS5120/5121

method, which allows a 100ns

response time to load transients.

The CS5157 is designed to operate

over a 4.25-16V range (V_CC) using

12V to power the IC and 5V as the

main supply for conversion.

grammable soft start capability. The

CS5157 is available in 16 pin surface

mount.

ꢀ 30ns Gate Rise/Fall Times

ꢀ 1% DAC Accuracy

ꢀ 5V & 12V Operation

ꢀ Remote Sense

ꢀ Programmable Soft Start

ꢀ Lossless Short Circuit

Protection

Application Diagram

Switching Power Supply for core logic - Pentium^®II processor

ꢀ V_CCMonitor

ꢀ 25ns FET Nonoverlap Time

ꢀ V²Control Topology

ꢀ Current Sharing

12V

ꢀ Overvoltage Protection

1200µF/10V x 3

0.1µF

AlEl

V_CC2

IRL3103

V_CC1

V_ID0

V_GATE(H)

2µH

1.3V to 3.5V @ 13A

V_ID0

V_ID1

V_ID2

Package Options

V_ID1

V_ID2

CS5157

V_GATE(L)

16 Lead SO Narrow

V_ID3

V_ID4

V_ID3

V_ID4

IRL3103

1200µF/10V x 5

AlEl

ID0

ID1

ID2

C_OFF

PGnd

330pF

COMP

LGnd

V_FB

ID3

CC1

0.1µF

COMP

3.3k

V_FFB

GATE(L)

LGnd

0.33µF

PGnd

ID4

100pF

OFF

GATE(H)

FFB

CC2

V²is a trademark of Switch Power, Inc.

Pentium is a registered trademark of Intel Corporation.

ON Semiconductor

2000 South County Trail, East Greenwich, RI 02818

Tel: (401)885–3600 Fax: (401)885–5786

N. American Technical Support: 800-282-9855

Web Site: www.cherry–semi.com

June, 1999 - Rev. 5

12 3 4 5 6 7...16

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