ACT4065 Datasheet (Microelectronic) - 450 KHz Step-Down Converter

ACT4065, 450 KHz Step-Down Converter

The ACT4065 is a monolithic step-down switch mode converter with a built in internal power MOSFET.

It achieves 2A continuous output current over a wide input supply range with excellent load and line regulation.

The ACT4065 requires a minimum number of readily available standard external components.

ACT4065 Features

* z z z z z z z z z z 2A Output Current 0.22Ω Internal Power MOSFET Switch Stable with Low ESR Output Ceramic Capacitors Up to 95% Efficiency 25µA Shutdown Mode Fixed 450KHz Frequency Thermal Shutdown Cycle-by-Cycle Over Current Protection Wide 4.75 to 25V Operating Input Range Output Adjustable from