Datasheet > AP2011

AP2011

更新时间： 2024-11-20 04:06:23

品牌	Logo	应用领域
易亨 - ANACHIP		控制器
页数	文件大小	规格书
9页	201K
描述
Synchronous PWM with VFC Controller

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中文翻译

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AP2011 数据手册

AP2011

Synchronous PWM with VFC Controller

Features

General Description

- Single 10V to 40V Supply Application

- 1.25V + 2.0% Voltage Reference

The AP2011 is

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 AP2011 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, allows

the use of inexpensive 1P+1N-channel power

switches.

- Virtual Frequency Control^TM

- Fast Transient Response.

- Synchronous Operation for High Efficiency

- Current Limit Function.

- Small Size with Minimum External Components

- Soft Start and Shutdown Functions

- Industrial Temperature Range

- Under Voltage Lockout Function

- SOP-14L Pb-Free Package

Applications

AP2011’s features include temperature ompensated

voltage reference, Virtual Frequency Control^TMmethod

to reduce external component count, an internal virtual

frequency 200KHz oscillator, under-voltage lockout

protection, soft-start, shutdown function and current

sense comparator circuitry.

- Microprocessor Core Supply

- Low Cost Synchronous Applications

- Voltage Regulator Modules (VRM)

- Networking Power Supplies

- Sequenced Power Supplies

- Telecommunication Power Supplies.

Virtual Frequency Control is a trademark of

PWRTEK, LLC.

Pin Assignments

Pin Descriptions

Pin Name

Description

(Top View)

No.

PGATE

VCC

PVCC

PDRV

PGND

Level shift-gate driver

Internal regulator voltage

Power VCC

PGATE

VCC

PVCC

PDRV

PGND

NGATE

VIN

VREF

PHASE

SGND

PMOS Gat driver

AP2011

OCSET

SS/SHDN

CAP

Power Ground

Low side driver output (N

MOSFET)

NGATE

VIN

CAP

Chip supply voltage

Charge pump pin

Soft start, a capacitor to

ground sets the slow start

time/set low for shutdown

function.

SOP-14L

SS/SHDN

Ordering Information

2011

Feedback input

Sets the converter

over-current trip point

Signal Ground

Input from the phase node

between the MOSFETs

Reference voltage

OCSET

SGND

PHASE

VREF

Package

S: SOP-14L

Packing

Blank : Tube

A : Taping

Anachip Corp

www.anachip.com.tw

Rev. 1.1 Apr 1, 2005

1/9

12 3 4 5 6 7...9

中文翻译

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与AP2011相关器件

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