Datasheet > APW7016NC-TU

APW7016NC-TU

更新时间： 2024-02-09 08:12:17

品牌	Logo	应用领域
茂达 - ANPEC		控制器
页数	文件大小	规格书
11页	112K
描述
Advanced PWM Power Controller

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中文翻译

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数据手册

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APW7016NC-TU 数据手册

APW7016

Advanced PWM Power Controller

Features

General Description

The APW7016 provides a complete control and pro-

tection for a DC-DC converter optimized for high per-

formance microprocessor applications. It is designed

to drive two N-Channel MOSFETs in a synchronous-

rectified buck topology. The APW7016 integrates

output voltage control , monitoring and protection

functions into a single Package.

The APW7016 includes a 3-bit digital-to-analog con-

verter (DAC) that provides a easily adjustable and

precisely output voltage from 1.3V_DCto 1.65V_DCin

0.05V steps. Any selected output voltage can be

maintained within ±1% accuracy over temperature

and line voltage variations.

With a 200kHz free-running triangle-wave oscillator

and a error amplifier featuring a 15MHz unity-gain

bandwidth and 6V/us slew rate inside the chip ,

APW7016 can implement a simple , single feedback

loop , voltage-mode control topology with high tran-

sient performance.

•

Simple Single-Loop Control Design

−Voltage-Mode PWM Control

Excell Output Voltage Regulation

−PWM Output : ±1% Over Temperautre

Fast Transient Response

−High-Bandwidth Error Amplifier

−Full 0% to 100% Duty Ratio

3-Bit Digital-to-Analog Output Voltage Selection

Over-Voltage and Over-Current Fault Monitors

Small Converter Size

•

−200kHzFree-Running Oscillator

−Programmable from 50KHz to 800KHz

The APW7016 also features with multiple protections

against over-current and over-voltage conditions by

inhibiting PWM operation. The APW7016 uses the

Applications

_DS(ON)of the upper MOSFET as the current sensing

•

High-Power 5V to 3.xV (or below) DC-DC Regu-

lators

element which eliminates the demend for an extra

component. The APW7016 also monitors the output

voltage using a comparator with hysteresis that tracks

the DAC output.

•

Low-Voltage Distributed Power Supplies

VGA Card Power Regulation

Pin Description

VSEN

OCSET

VCC

LGATE

PGND

BOOT

UGATE

PHASE

GND

VID0

VID1

VID2

COMP

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.2 - Oct., 2002

www.anpec.com.tw

12 3 4 5 6 7...11

中文翻译

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