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DESCRIPTION

The MP2359 is a monolithic step-down switch mode converter with a built-in power MOSFET. It achieves 1.2A peak 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. Fault condition protection includes cycle-by-cycle current limiting and thermal shutdown.

FEATURES

• 1.2A Peak Output Current

• 0.35Ω Internal Power MOSFET Switch

• Stable with Low ESR Output Ceramic Capacitors

• Up to 92% Efficiency

• 0.1µA Shutdown Mode

• Fixed 1.4MHz Frequency

• Thermal Shutdown

• Cycle-by-Cycle Over Current Protection

• Wide 4.5V to 24V Operating Input Range

• Output Adjustable from 0.81V to 15V

• Available in TSOT23-6 and SOT23-6 Packages

APPLICATIONS

•Distributed Power Systems

•Battery Charger

• Pre-Regulator for Linear Regulators

•WLED Drivers