General Description

The ZA3020 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. Current mode operation provides fast transient response and eases loop stabilization.

Features

2A Output Current

0.18ȍ Internal Power MOSFET Switch

Stable with Low ESR Output Ceramic capacitors

Up to 95% Efficiency

20µA Shutdown Mode

Fixed 380kHz frequency

Thermal Shutdown

Cycle-by-cycle over current protection

Wide 4.75 to 25V operating input range

Output Adjustable from 1.22 to 21V

Programmable under voltage lockout

Frequency Synchronization Input

Available in 8 pin SO package

Evaluation Board Available

Applications

Distributed Power Systems

Battery Charger

Pre-Regulator for Linear Regulators