IT77103 Datasheet - M3TEK

IT77103, 5V/800mA High Efficiency Step-Down DC/DC Converter

M3TEK IT77103 5V/800mA High Efficiency Step-Down DC/DC Converter .
The IT77103 is a high efficiency step-down DC/DC converter using a constant frequency, current mode architecture.

Features

* High Efficiency up to 95% 160µA Low Quiescent Current (Active Mode) 2.5V to 6.0V Input Voltage Range 800mA Output Current Fixed Frequency Operation Allowable 0.6V Low Output Voltage Current Mode Operation Internal Soft-start Over-temperature Protection 0.1µA Shutdown Current TSOT23_5L/ SOT23_5L Smal

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 Figure 1. Typical Application Circuit Efficiency (% ) Efficiency (Vin=5V) 100 90 80 70 60 50 10 Vout=3.3V Vout=1.2V

IT77103-M3TEK.pdf