APW7080KAI-TRG数据手册Anpec中文资料规格书

描述 Description

General  Description
The  APW7080  is a  4A, a synchronous,  step-down converter with  integrated  80mW P-channel  MOSFET .  The  device, with current-mode control scheme, can convert 4.5~26V input voltage to the output voltage adjustable from 0.8 to 90% VIN to provide excellent output voltage regulation.

特性 Features

• Wide Input V oltage  from 4.5V to 26V
• Output  Current  up  to  4A
• Adjustable  Output V oltage from  0.8V to  90%VIN
  - 0.8V Reference V oltage
  - –2.5% System Accuracy
• 80mW Integrated P-Channel Power MOSFET
• High  Efficiency  up  to  91%
  -   Pul se-Ski ppi ng  Mode  ( PSM)  /   PWM  Mode  Operat i on
• Current-Mode  Operation
  - Stable with Ceramic Output Capacitors
  -  Fast Transient Response
• Power-On-Reset  Monitoring
• Fixed  380kHz  Switching  Frequency  in  PWM  Mode
• Built-in  Digital  Soft-Start
• Output Current-Limit Protection with Frequency Foldback
• 70%  Undervoltage  Protection
• Over-T emperature Protection
• <5mA  Quiescent  Current during  Shutdown
• Thermal-Enhanced SOP-8P Package
• Lead Free and Green Devices Available (RoHS Compliant)Applications
• LCD Monitor / TV
• Set-Top Box
• Portable DVD
• Wireless LAN
• ADSL, Switch HUB
• Notebook Computer
• Step-down Converters Requiring High  Efficiency and  4A  Output  Current