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.
●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
