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AP2004

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
8页	176K
描述
PWM Buck Controller

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中文翻译

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数据手册

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AP2004 数据手册

AP2004

PWM Buck Controller

Features

General Description

- PWM Buck Control Circuitry

The AP2004 integrates Pulse-Width-Modulation

(PWM) control circuit into a single chip, mainly

designs for power-supply regulator. All the functions

include an on-chip 1.25V reference output, an error

amplifier, an adjustable oscillator, a soft-start,

UVLO, SCP circuitry, and a push-pull output circuit.

Switching frequency is adjustable by trimming CT.

During low VCC situation, the UVLO makes sure

that the outputs are off until the internal circuit

operates normally.

- Operating voltage can be up to 27V

- Under voltage Lockout (UVLO) Protection

- Short Circuit Protection (SCP)

- Soft-start circuit

- Variable Oscillator Frequency -- 300Khz Max

- 1.25V voltage reference Output

- 8-pin PDIP and SOP packages

Applications

- Backlight inverter

- LCD Monitor

- XDROM, XDSL Product

- DC/DC converters in computers, etc.

Pin Assignment

Pin Descriptions

( Top View )

Name

Description

Timing Capacitor

Voltage Feedback

Soft-Start.

Feedback Loop Compensation

PWM Output

Ground

OUT

GND

VCC

COMP

SCP

COMP

OUT

GND

VCC

SCP

PDIP/SOP

Supply Voltage

Short Circuit Protection

Ordering Information

AP2004 X

Package

N: PDIP-8L Blank : Normal

S: SOP-8L

Lead Free

Packing

Blank : Tube

L : Lead Free Package

A : Taping

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. 0.4 Arpr 6, 2004

1/8

12 3 4 5 6 7 8

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