Datasheet > AIC1562CS

AIC1562CS

更新时间： 2024-01-11 14:25:38

品牌	Logo	应用领域
沛亨 - AIC		转换器
页数	文件大小	规格书
7页	255K
描述
High-Efficiency, Bootstrapped DC/DC Converter

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AIC1562CS 数据手册

AIC1562

High-Efficiency, Bootstrapped DC/DC Converter

ꢀFEATURES

ꢀDESCRIPTION

ꢀ 3V to 20V Input Voltage Operation.

ꢀ Internal 800mA Switch.

The AIC1562 is a high performance monolithic

DC/DC converter drive IC with output-

bootstrapping capability, designed specifically for

driving N-channel MOSFET to achieve maximum

possible power conversion efficiency. The device

consists of an internal temperature compensated

reference, comparator, controlled duty cycle

oscillator, bootstrapped driver and a 800mA output

switch. Working with the AIC1741, a low power

adjustable regulator, the AIC1562 works at 100%

duty cycle under heavy load transient conditions to

minimize transient response time, making it an idea

precision switching power solution to stringent

requirements on computer mother boards.

ꢀ Bootstrapped Driver for N-Channel MOSFET.

ꢀ High Efficiency (up to 90%).

ꢀ Fast Transient Response.

ꢀ Internal 2% Reference.

ꢀ Low Quiescent Current at 1.6mA.

ꢀ Frequency Operation from 200Hz to 200KHz.

ꢀAPPLICATIONS

ꢀ CPU Power Supplies for Mother Boards.

ꢀ DC/DC Converters for CPU VRMs.

ꢀ Step-Down DC-DC Converter Module.

ꢀ^{TYPICAL APPLICATION CIRCUIT}

V_IN

1N4148

0.1µF

1000µF/6.3Vx2

1N4148

C8, C9

V_OUT: 2.5V~3.5V/10A

BST

7.5µF

AIC1562

12V

0.022µF

VCC

C12

C11

C10

MICROPROCESSOR

CPU

24K

GND

0.1µF

1000µF/6.3V

47µF

5.1V

220pF

C13

10K

VIN

VOUT

R10

GND

C11, C12: Ceramic Capacitor

L1: Iron Powder Core

_OUT= (1+R10/1K)x1.235V

0.1µF

470

AIC1741

CPU Power Supply for P5 Mother Board

Analog Integrations Corporation 4F, 9, Industry E. 9th Rd, Science Based Industrial Park, Hsinchu Taiwan, ROC

DS-1562-00 Jan 30, 01 TEL: 886-3-5772500 FAX: 886-3-5772510

www.analog.com.tw

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