EC1688|60V, 2A, 480KHz Non-synchronous Buck Converter

EC1688|60V, 2A, 480KHz Non-synchronous Buck Converter

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General Description

The EC1688 is a monolithic, step‐ down, switch mode converter with a built‐ in power MOSFET.

It achieves a 2A peak‐ output current over input supply 9V‐ 60V with excellent load and line regulation.

Current‐ mode operation provides a fast transient response and eases loop stabilization.

Fault condition protections include cycle‐ by cycle current limiting and thermal shutdown.

The EC1688 requires a minimal number of readily‐ available external components. The EC1688 is available in a ESOP‐ 8 package.

Features

◆2A Peak Output Current
◆0.7Ω Internal Power MOSFET
◆Stable with Low‐ ESR Ceramic Output Capacitors
◆Up to 91% Efficiency
◆0.1μA Shutdown Mode
◆Fixed 480KHz Frequency
◆Thermal Shutdown
◆Cycle‐ by‐ Cycle Over‐ Current Protection
◆9V to 60V Operating Input Range
◆Max duty 90%
◆Available in a ESOP-8 Package

Applications

◆Power Meters
◆Distributed Power Systems
◆Battery Chargers
◆Pre‐ Regulator for Linear Regulators
◆WLED Drivers


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