Datasheet > APW7120

APW7120

更新时间： 2024-10-15 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
20页	805K
描述
5V to 12V Supply Voltage, 8-PIN, Synchronous Buck PWM Controller

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APW7120 数据手册

APW7120

5V to 12V Supply Voltage, 8-PIN, Synchronous Buck PWM Controller

Features

General Description

The APW7120 is a fixed 300kHz frequency, voltage

mode,synchronousPWMcontroller. Thedevicedrives

two low cost N-channel MOSFETs and is designed to

work with single 5~12V or two supply voltage(s),

providing excellent regulation for load transients.

Operating with Single 5~12V Supply Voltage

or two Supply Voltages

Drive Dual Low Cost N-Channel MOSFETs

- Adaptive Shoot-Through Protection

Built-in Feedback Compensation

- Voltage-Mode PWM Control

- 0~100% Duty Ratio

The APW7120 integrates controls, monitoring and

protection functions into a single 8-pin package to

provide a low cost and perfect power solution.

- Fast Transient Response

A power-on-reset (POR) circuit monitors the VCC

supply voltage to prevent wrong logic controls. An

internal 0.8V reference provides low output voltage

down to 0.8V for further applications.An built-in digital

soft-start with fixed soft-start interval prevents the

output voltage from overshoot as well as limiting the

input current. The controller’s over-current protection

monitors the output current by using the voltage drop

acrossthe low-sideMOSFET’s R_DS(ON), eliminating the

need of a current sensing resistor. Additional under

voltage and over voltage protections monitor the

voltage on FB pin for short-circuit and over-voltage

protections. The over-current protection cycles the

soft-start function until 4 over-current events are

counted.

±2% 0.8V Reference

- Over Line, Load Regulation and

OperatingTemp.

ProgrammableOver-CurrentProtection

- Using R_DS(ON)of Low-Side MOSFET

Hiccup-Mode Under-Voltage Protection

118% Over-Voltage Protection

Adjustable Output Voltage

Small Converter Size

- 300kHz Constant Switching Frequency

- Small SOP-8 Package

Built-In Digital Soft-Start

Shutdown Control using an External MOSFET

Lead FreeAvailable (RoHSCompliant)

Pulling and holding the voltage on OCSET pin below

0.15V with an open drain device shuts down the

controller.

Applications

Pinouts

BOOT

PHASE

OCSET

Motherboard

UGATE 2

GND

Graphics Card

6 FB

High Current, up to 20A, DC-DC Converters

LGATE 4

5 VCC

SOP-8

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.4 - Jan., 2006

12 3 4 5 6 7...20

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与APW7120相关器件

型号	品牌	获取价格	描述	数据表
APW7120_08	ANPEC	获取价格	5V to 12V Supply Voltage, 8-PIN, Synchronous Buck PWM Controller
APW7120A	ANPEC	获取价格	5V to 12V Supply Voltage, 8-PIN, Synchronous Buck PWM Controller
APW7120A_09	ANPEC	获取价格	5V to 12V Supply Voltage, 8-PIN, Synchronous Buck PWM Controller
APW7120AKE-TRG	ANPEC	获取价格	5V to 12V Supply Voltage, 8-PIN, Synchronous Buck PWM Controller
APW7120AKE-TRL	ANPEC	获取价格	5V to 12V Supply Voltage, 8-PIN, Synchronous Buck PWM Controller
APW7120KE-TR	ANPEC	获取价格	5V to 12V Supply Voltage, 8-PIN, Synchronous Buck PWM Controller
APW7120KE-TRG	ANPEC	获取价格	5V to 12V Supply Voltage, 8-PIN, Synchronous Buck PWM Controller
APW7120KE-TRL	ANPEC	获取价格	5V to 12V Supply Voltage, 8-PIN, Synchronous Buck PWM Controller
APW7120KE-TU	ANPEC	获取价格	5V to 12V Supply Voltage, 8-PIN, Synchronous Buck PWM Controller
APW7120KE-TUL	ANPEC	获取价格	5V to 12V Supply Voltage, 8-PIN, Synchronous Buck PWM Controller

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