Datasheet > APW7062A

APW7062A

更新时间： 2024-09-16 04:32:55

品牌	Logo	应用领域
茂达 - ANPEC		控制器
页数	文件大小	规格书
16页	179K
描述
Synchronous Buck PWM Controller

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APW7062A 数据手册

APW7062A

Synchronous Buck PWM Controller

Features

General Description

The APW7062A is a voltage mode, synchronous PWM

controller which drives dual N-Channel MOSFETs. It

integrates the control, monitoring and protection func-

tions into a single package, provides one controlled

power outputs with under-voltage and over-current

protection.

•

Simple Single-Loop Control Design

- Voltage-Mode PWM Control

Fast Transient Response

- Full 0–100% Duty Ratio

Excellent Output Voltage Regulation

- 0.8V Internal Reference

APW7062A provide excellent regulation for output load

variation. An internal 0.8V temperature-compensated

reference voltage is designed to meet the requirement

of low output voltage applications. It includes a 200kHz

free-running triangle-wave oscillator that is adjustable

from 70kHz to 800kHz.

- ± 1% Over Line Voltage and Temperature

•

Over Current Fault Monitor

- Uses Upper MOSFETs R_{DS (ON)}

Converter Can Source and Sink Current

Small Converter Size

•

The power-on-reset (POR) circuit monitors the VCC,

EN, OCSET input voltage to start-up or shutdown the

IC. The over-current protection (OCP) monitors the

output current by using the voltage drop across the

upper MOSFET’s R_DS(ON), eliminating the need for a

current sensing resistor. The under-voltage protection

(UVP) monitors the voltage of FB pin for short-circuit

protection.

- 200kHz Free-Running Oscillator

- Programmable from 70kHz to 800kHz

14-Lead SOIC Package

•

Lead Free Available (RoHS Compliant)

Applications

The over-current protection trip cycle the soft-start func-

tion until the fault events be removed. Under-voltage

protection will shutdown the IC directly.

•

Graphic Cards

DDR Memory Power Supply

DDR Memory Termination Voltage

Low-Voltage Distributed Power Supplies

Pinouts

OCSET

VCC

PVCC

LGATE

PGND

BOOT

UGATE

PHASE

GND

ANPEC reserves the right to make changes to improve reliability or manufacturability without notice, and advise

customers to obtain the latest version of relevant information to verify before placing orders.

Rev. A.3 - Mar., 2005

www.anpec.com.tw

12 3 4 5 6 7...16

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