Chapter 98

High power synchronous buck converter delivers up to 50A

Dale Eagar


The LT1339, a full-featured synchronous switching controller that incorporates the features needed for system level solutions, is described.


Synchronous buck converter



The LT1339 is the buck/boost controller that needs no steroids. As a full-featured synchronous switching controller, the LT1339 incorporates the features needed for system level solutions. The unfortunate lack of such features in most PWM controllers forces designers to grope for handfuls of jellybean components. The LT1339 has an innovative slope-compensation function that allows the circuit designer freedom in controlling both the slope and offset of ...

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