Datasheet > APW7073KE-TY

APW7073KE-TY

更新时间： 2024-10-14 04:00:39

品牌	Logo	应用领域
茂达 - ANPEC		控制器
页数	文件大小	规格书
25页	1369K
描述
Synchronous Buck PWM Controller

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APW7073KE-TY 数据手册

APW7073

Synchronous Buck PWM Controller

General Description

Features

The APW7073 is voltage mode, synchronous PWM

controller which drives dual N-channel MOSFETs. The

device integrates all of the control, monitoring and

protecting functions into a single package, provides

one controlled power output with under-voltage and

over-current protections.

Single 12V Power Supply Required

0.6V Reference with 1% Accurate

Shutdown and Soft-start Function

Programmable Frequency Range

from 50 kHz to 1000kHz

Voltage Mode PWM Control Design

The APW7073 provides excellent regulation for

output load variation. The internal 0.6V temperature-

compensated reference voltage is designed to meet

the requirement of low output voltage applications.

Thedeviceincludesa200kHzfree-runningtriangle-wave

oscillator that is adjustable from 50kHz to 1000kHz.

Up to 100% Duty Cycle

Under-Voltage Protection

Over-Current Protection

SOP-14, QFN-16 Packages

Lead FreeAvailable (RoHS Compliant)

The APW7073 with excellent protection functions:

POR, OCP and UVP. The Power-On-Reset (POR)

circuit can monitor the VCC, EN, and OCSET voltage

to make sure the supply voltage exceeds their

threshold voltage while the controller is running.

The Over-Current Protection (OCP) monitors the output

current by using the voltage drop across the upper

and lower MOSFET’s R_DS(ON). When the output current

reaches the trip point, the controller will run the soft-

start function until the fault events are removed. The

Under-Voltage Protection (UVP) monitors the voltage

at FB pin (V_FB) for short-circuit protection, when the

V_FBis less than 50% of V_REF, the controller will shut-

down the IC directly.

Applications

Graphic Cards

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.

www.anpec.com.tw

Rev. A.1 - Apr., 2006

12 3 4 5 6 7...25

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