Datasheet > APW704510NC-TU

APW704510NC-TU

更新时间： 2024-09-14 22:07:59

品牌	Logo	应用领域
茂达 - ANPEC		控制器
页数	文件大小	规格书
12页	124K
描述
Advanced PWM and Linear Power Controller

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中文翻译

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APW704510NC-TU 数据手册

APW7045

Advanced PWM and Linear Power Controller

Features

General Description

The APW7045 integrates PWM controller and linear

controller, as well as the monitoring and protection

functions into a single package, which provides two

controlled power outputs with over-voltage and over-

current protections. The PWM controller regulates

the DDR termination voltage (1.25V) or GPU Voltage

(2.05V) with a synchronous-rectified buck converter.

The linear controller regulates the Memory Voltage

(2.5V). The pre cision reference and voltage-mode

PWM control provide ±1% static regulation. The lin-

ear controller drives an external N-channel MOSFET

to provide adjustable voltage. The APW7045 moni-

tors two output voltages, and a single Power Good

signal is issued when the PWM voltage is within ±10%

of the DAC setting and the lineat regulator output level

is above under-voltage threshold. Additional built-in

over-voltage protection for the PWM output uses the

lower MOSFET to prevent output voltages above 115%

of the DAC setting. The PWM over-current function

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.

•

2 Regulated Voltage are provided

−Switching Power for Fixed Voltage (1.0V)

−Linear Regulator for VMEM(2.5V)

Simple Single-Loop Control Design

−Voltage-Mode PWM Control

•

Excellent Output Voltage Regulation

−PWM Output: ±1%

−Linear Output: ±3%

•

Fast Transient Response

−High-Bandwidth Error Amplifier

−Full 0% to 100% Duty Ratio

•

Power-Good Output Voltage Monitor

Over-Voltage and Over-Current Fault Monitors

Small Converter Size

−200KHz Free-Running Oscillator ;

Progammable from 50KHz to 800KHz

−Reduce External Component Count

Pin Description

UGATE

PHASE

LGATE

PGND

OCSET

VSEN1

FB1

VCC

DRIVE

PGOOD

Applications

•

Motherboard Power Regulation for Computers

Low-Voltage Distributed Power Supplies

VGA Card Power Regulation

FB2

FAULT

GND

DDR SDRAM Power Regulation

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.5 - Jan., 2003

www.anpec.com.tw

12 3 4 5 6 7...12

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与APW704510NC-TU相关器件

型号	品牌	获取价格	描述	数据表
APW7045K	ANPEC	获取价格	Advanced PWM and Linear Power Controller
APW7045N	ANPEC	获取价格	Advanced PWM and Linear Power Controller
APW7046	ANPEC	获取价格	Dual Advanced PWM and Source-Sink Linear Controller
APW7046AKC-TR	ANPEC	获取价格	Dual Advanced PWM and Source-Sink Linear Controller
APW7046AKC-TRL	ANPEC	获取价格	Dual Advanced PWM and Source-Sink Linear Controller
APW7046AKC-TU	ANPEC	获取价格	Dual Advanced PWM and Source-Sink Linear Controller
APW7046AKC-TUL	ANPEC	获取价格	Dual Advanced PWM and Source-Sink Linear Controller
APW7046BKC-TR	ANPEC	获取价格	Dual Advanced PWM and Source-Sink Linear Controller
APW7046BKC-TRL	ANPEC	获取价格	Dual Advanced PWM and Source-Sink Linear Controller
APW7046BKC-TU	ANPEC	获取价格	Dual Advanced PWM and Source-Sink Linear Controller

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