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LM20125 - Synchronous Buck Regulator

Description

The LM20125 is a full featured 500 kHz synchronous buck regulator capable of delivering up to 5A of continuous output current.

The current mode control loop can be compensated to be stable with virtually any type of output capacitor.

Features

  • internal over voltage protection (OVP) and over current protection (OCP) circuits for increased system reliability. A precision enable pin and integrated UVLO allows the turn-on of the device to be tightly controlled and sequenced. Start-up inrush currents are limited by both an internally fixed and externally adjustable Soft-Start circuit. Fault detection and supply sequencing is possible with the integrated power good circuit. The LM20125 is designed to work well in multi-rail power supply arc.

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LM20125 5A, 500kHz PowerWise® Synchronous Buck Regulator www.DataSheet4U.com January 16, 2008 LM20125 5A, 500kHz PowerWise® Synchronous Buck Regulator General Description The LM20125 is a full featured 500 kHz synchronous buck regulator capable of delivering up to 5A of continuous output current. The current mode control loop can be compensated to be stable with virtually any type of output capacitor. For most cases, compensating the device only requires two external components, providing maximum flexibility and ease of use. The device is optimized to work over the input voltage range of 2.95V to 5.5V making it suited for a wide variety of low voltage systems.
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