IT7321 - M3TEK

IT7321 Dual 5V/1A High Efficiency Step-Down DC/DC Converter

The IT7321DF is a dual high efficiency synchronous step-down DC-DC converter, optimized for battery powered portable applications. It can supply 1A of load current at input voltage ranging from 2.5V to 6.0V and enter the power saving mode operation at light load current to maintain high efficiency over the entire load current range. The IT7321DF operates at .

Features

High Efficiency up to 95% 2.5V to 6.0V Input Voltage Range 1A Output Current on Each Channel 1.5MHz Constant Frequency Operation Current Mode Operation Internal Soft-start Over-temperature Protection 100% Duty Cycle for Lowest Dropout 0.1µA Shutdown Current DFN 12L 3x3 Small Package RoHS Compliant (100% Green Available) Applications PDA, PMP, Pocket PC, and Smartphone PDA and Smartphone USB Powered Modems Microprocessor and DSP Core Supply Wireless and DSL Card Portable Device Typical Applications Efficiency vs. Output Current at VIN=5V Efficiency(%) Note: Fix Voltage Version: R2 & R4=NC, .