APW7085K中文资料2A, 26V, 380kHz, Asynchronous Step-Down Converter数据手册Anpec规格书

描述 Description

General  Description
The APW7085  is  a  2A,  asynchronous,  step-down  converter  with  integrated  100mW P-channel  MOSFET .  The device,  with  current-mode control  scheme,  can  convert 4.5~26V  input  voltage  to  the  output  vol tage  adjustable from  0.8  to  90%  VIN to  provide  excell ent  output  voltage regulation.

特性 Features

• Wide Input V oltage  from 4.5V to 26V
• Output  Current  up  to  2A
• Adjustable  Output V oltage from  0.8V to  90% VIN
- 0.8V Reference V oltage
- –2.5% System Accuracy
• 100mW Integrated P-Channel  Power MOSFET
• High  Efficiency  up  to  91%
- Pulse-Skipping Mode (PSM)  / PWM Mode Operation
• 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%  Under-V oltage  Protection
• Over-T emperature Protection
• <5mA Quiescent Current  During Shutdown
• SOP-8 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  2A  Output  Current