Datasheet > FAN5035MTCX

FAN5035MTCX

更新时间： 2024-11-24 23:51:47

品牌	Logo	应用领域
其他 - ETC		模拟IC 开关光电二极管
页数	文件大小	规格书
8页	118K
描述
Analog IC

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FAN5035MTCX 数据手册

www.fairchildsemi.com

FAN5035

High Performance Programmable DC-DC Controller

Features

Description

• Programmable output from 1.3V to 3.5V using an

integrated 5-bit DAC

• Remote sense

The FAN5035 is a voltage-mode DC-DC controller IC

which provides a highly accurate, programmable output

voltage for high-performance processors. The FAN5035

features remote voltage sensing, adjustable current limit and

1MHz operation. The FAN5035 uses a 5-bit D/A converter

to program the output voltage from 1.3V to 3.5V. An

on-board precision low TC reference achieves tight tolerance

voltage regulation without expensive external components.

The FAN5035 also offers integrated functions including

Power Good, Output Enable/Soft Start, current limiting,

over-voltage protection, and an uncommitted op-amp, and is

available in a 24 pin TSSOP package.

• 1MHz operation

• 85% efﬁciency typical at full load

• Integrated Power Good and Enable/Soft Start functions

• Uncommitted Op-amp

• Drives N-channel MOSFETs

• Over-current and over-voltage protection

• 24 pin TSSOP package

Applications

• Power supply for Pentium^®III

• VRM for Pentium III processor

• Programmable step-down power supply

Block Diagram

+5V

OVP

OSC

OUTA

GNDD

Digital

Control

ISC

IFB

5-Bit

DAC

Power

Good

OVP

PWRGD

OVP

GNDA

VID0 VID2 VID4

VID1 VID3

VSENSE

ENABLE/SS

Pentium is a registered trademark of Intel Corporation.

REV. 1.0.0 10/31/01

12 3 4 5 6 7 8

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