Datasheet > AP2003S

AP2003S

更新时间： 2024-11-19 22:05:47

品牌	Logo	应用领域
易亨 - ANACHIP		控制器
页数	文件大小	规格书
6页	133K
描述
Synchronous PWM Controller

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AP2003S 数据手册

AP2003

Synchronous PWM Controller

(Preliminary)

Features

General Description

- Single or Dual Supply Application

- 0.8V + 1.0% Voltage Reference.

- Fast transient response.

The AP2003 is a low-cost, full featured, and

synchronous voltage-mode controller designed for

use in single ended power supply applications

- Synchronous operation for high efficiency (95%)

- Soft Start functions

where efficiency is of the primary concern.

This

synchronous operation allows the elimination of

heat sinks in many applications. The AP2003 is

ideal for implementing DC/DC converters needed to

power advanced microprocessors in low cost

systems, or in distributed power applications where

- Small size with minimum external components

- Industrial temperature range

- Under Voltage Lockout function

- SOP-8L package

efficiency is important.

Internal level-shift,

high-side drive circuitry, and preset shoot-thru

control, allows the use of inexpensive N-channel

power switches.

Applications

- Microprocessor core supply

- Low cost synchronous applications

- Voltage Regulator Modules (VRM)

- DDR termination supplies

AP2003 features include temperature compensated

voltage reference, an internal 200KHz virtual

frequency

oscillator,

under-voltage

lockout

protection, soft-start, and shutdown function.

- Networking power supplies

- Sequenced power supplies

Pin Assignment

Pin Descriptions

(Top View)

Name

VCC

Description

Chip supply voltage

COMP

SS/SHDN

VCC

SENSE

BSTH

DRVL

AP2003

DRVH

GND

DRVH

DRVL

BSTH

SENSE

COMP

High side driver output

Low side driver output

Bootstrap, high side driver

Voltage sense input

SOP-8L

Ordering Information

AP2003 X

Compensation pin

Soft start, a capacitor to ground sets

the slow start time

Package

S: SOP-8L Blank : Normal

L : Lead Free Package

Lead Free

Packing

SS/SHDN

GND

Blank : Tube

A : Taping

Ground

This datasheet contains new product information. Anachip Corp. reserves the rights to modify the product specification without notice. No liability is assumed as a result of the use of

this product. No rights under any patent accompany the sale of the product.

Rev. 0.1 Feb.10, 2004

1/6

12 3 4 5 6

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