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TP3406
1.5MHz, 600mA, High Efficiency PWM Step-Down DC/DC Converter
General Description
The TP3406 is a high-efficiency pulse-width-modulated(PWM) step-down DC-DC converter. Capable of delivering600mA output current over a wide input voltage range from2.5V to 5.5V, the TP3406 is ideally suited for port -ableelectronic devices that are powered from 1-cell Li-ion battery or from other power sources within the range suchas cellular phones, PDAs and handy-terminals. Internal synchronous rectifier with low RDS(ON) dramatically reduces cond -uction loss at PWM mode. No external Schottky diode is required in prac -tical application. The TP3406 automatically turns off the synchronous rec -tifier while the inductor current is low and enters discontinuous PWM mode.