AP3422 Datasheet (BCD Semiconductor) - 800mA Synchronous DC-DC Buck Converter

AP3422, 800mA Synchronous DC-DC Buck Converter

The AP3422 contains two independent 1.1MHz fixed frequency, current mode, PWM synchronous buck (step-down) DC-DC converters, each of them is capable of driving a 800mA load with high efficiency, excellent line and load regulation.

Each converter integrates a main switch and a synchronous switch with

AP3422 Features

* High Efficiency: up to 95%

* Output Current on Each Channel: 800mA

* Input Voltage Range: 2.5V to 5.5V

* Fixed 1.1MHz Frequency

* 100% Duty Cycle in Dropout

* Built-in Short Circuit Protection

* Built-in Thermal Shutdown Function

* Bu