APW7098QA中文资料T wo- Phase Buck PWM Controller with Integrated MOSFET Drivers数据手册Anpec规格书

描述 Description

General  Description
The  APW7098, two-phase PWM control  IC, provides  a precision voltage regulation  system for advanced graphic microprocessors  in  graphics  car d  applications.   The i ntegrati on of power MOSFET drivers into the controller IC and  reduces  the  number of  external  parts for  a  cost and  space saving  power  management  solution.

特性 Features

•    Voltage-Mode Operation with Current Sharing
     - Adjustable Feedback Compensation
     - Fast Load Transient Response
•    Operate with 8V~13.2VCC Supply V oltage
•    Selectable External or Internal 0.6V Reference
      - ±1.5% Accuracy Over Temperature
•    Support Single- and Two-Phase Operations
•    5VCC and Buffered Reference Outputs
•    8~12V Gate Drivers with Internal Bootstrap
     Diode
•    Lossless Inductor DCR Current Sensing
•    Selectable Operation Frequency
     - 150k/300k/400kHz per Phase
•    Power-OK Indicator Output
     - Regulated 1.5V on REFOUT/POK
•    Adjustable Over-Current Protection (OCP)
•    Accurate Load Line (DROOP) Programming
•    Adjustable Soft-Start
•    Over-Voltage Protection (OVP)
•    Under-Voltage Protection (UVP)
•    Over-Temperature Protection (OTP)
•    QFN4x4 24-Lead Package (QFN4x4-24A)
•    Lead Free and Green Devices Available (RoHS Compliant)Applications
• Graphics Card GPU Core Power Supply
• Motherboard Chipset or DDR SDRAM Core Power Supply
• On-board High Power PWM Converter with Out put Current up to 60A