SC1102

更新时间： 2024-09-29 22:43:27

品牌	Logo	应用领域
商升特 - SEMTECH		控制器
页数	文件大小	规格书
10页	148K
描述
SYNCHRONOUS DC/DC CONTROLLER FOR DISTRIBUTED POWER SUPPLY APPLICATIONS

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中文翻译

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数据手册

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SC1102 数据手册

SYNCHRONOUS DC/DC CONTROLLER FOR

DISTRIBUTED POWER SUPPLY APPLICATIONS

SC1102

September 5, 2000

TEL:805-498-2111 FAX:805-498-3804 WEB:http://www.semtech.com

DESCRIPTION

FEATURES

The SC1102 is a low-cost, full featured, synchronous

voltage-mode controller designed for use in single

ended power supply applications where efficiency is of

primary concern. Synchronous operation allows for the

elimination of heat sinks in many applications. The

SC1102 is ideal for implementing DC/DC converters

needed to power advanced microprocessors in low

cost systems, or in distributed power applications

where efficiency is important. Internal level-shift, high-

side drive circuitry, and preset shoot-thru control, al-

lows the use of inexpensive N-channel power switches.

•

1.265V Reference available

Synchronous operation

Over current fault monitor

On-chip power good and OVP functions

Small size with minimum external components

Soft Start

R_DS(ON)Current sensing

APPLICATIONS

•

Microprocessor core supply

Low cost synchronous applications

Voltage Regulator Modules (VRM)

SC1102 features include temperature compensated

voltage reference, triangle wave oscillator and current

sense comparator circuitry. Power good signaling,

shutdown, and over voltage protection are also pro-

vided.

ORDERING INFORMATION

DEVICE⁽¹⁾

SC1102CSTR

SC1102EVB

PACKAGE

TEMP. RANGE (T_J)

The SC1102 operates at a fixed 200kHz, providing an

optimum compromise between efficiency, external

component size, and cost.

SO-14

0 - 125°C

Evaluation Board

Note:

(1) Only available in tape and reel packaging. A reel

contains 2500 devices.

APPLICATION CIRCUIT

Typical Distributed Power Supply

+5V

680/6.3V

10.0

Vin 5V

0.1

680/6.3V

SC1102

0.1

VCC

GND

SS/SHDN

VREF

PWRGD

OVP

0.1

SHDN

VREF

PWRGD

OVP

124*

OCSET

PHASE

DRVH

PGND

SENSE

BSTH

127

+12V

1.0

MBR0520

STP40NE

2uH

BSTL

3.9

STP40NE

DRVL

C10

180/4V

C11

180/4V

C12

180/4V

C13

180/4V

Vout=2.5V*

180/4V

2.2

NOTE:

*) Vout = 1.265 x (1+R8/R7)

Figure 1.

652 MITCHELL ROAD NEWBURY PARK CA 91320

12 3 4 5 6 7...10

中文翻译

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与SC1102相关器件

型号	品牌	获取价格	描述	数据表
SC1102_06	SEMTECH	获取价格	Synchronous Voltage Mode Controller for Distributed Power Supply Applications
SC110-20-M2	MSYSTEM	获取价格	Single Loop Controller Series MULTI-FUNCTION PID CONTROLLER
SC110-20-M2/3	MSYSTEM	获取价格	Single Loop Controller Series MULTI-FUNCTION PID CONTROLLER
SC110-20-M2/300	MSYSTEM	获取价格	Single Loop Controller Series MULTI-FUNCTION PID CONTROLLER
SC110-20-M2/4	MSYSTEM	获取价格	Single Loop Controller Series MULTI-FUNCTION PID CONTROLLER
SC110-20-M2/400	MSYSTEM	获取价格	Single Loop Controller Series MULTI-FUNCTION PID CONTROLLER
SC110-20-M2/5	MSYSTEM	获取价格	Single Loop Controller Series MULTI-FUNCTION PID CONTROLLER
SC110-20-M2/600	MSYSTEM	获取价格	Single Loop Controller Series MULTI-FUNCTION PID CONTROLLER
SC110-20-R	MSYSTEM	获取价格	Single Loop Controller Series MULTI-FUNCTION PID CONTROLLER
SC110-20-R/3	MSYSTEM	获取价格	Single Loop Controller Series MULTI-FUNCTION PID CONTROLLER

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