IT77117 Datasheet - M3TEK

IT77117, Dual Channel 5V/800mA High Efficiency Step-Down DC/DC Converter

M3TEK IT77117 Dual Channel 5V/800mA High Efficiency Step-Down DC/DC Converter .
The IT77117DF is a high efficiency step-down DC/DC converter using a constant frequency, current mode architecture.

Features

* High Efficiency up to 95% 320µA Low Quiescent Current (Active Mode) 2.5V to 6.0V Input Voltage Range 800mA Output Current on Each Channel Fixed Frequency Operation Allowable 0.6V Low Output Voltage Current Mode Operation Internal Soft-start Over-temperature Protection 0.1µA Shutdown Current DFN 10L

Applications

* Cellular Telephone PDA and Smart Phone MP3 Player Microprocessor and DSP Core Supply Wireless and DSL Card Digital Still Camera Slim-Type DVD Portable Device Typical Applications Efficiency (% ) 100 90 80 70 60 50 10 Figure 1. Typical Application Circuit Efficiency (% ) 100 90 80 70 60 50 10

IT77117-M3TEK.pdf