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Tuesday, March 30, 2010

Multiple Output DC-DC Converters and Doubles as High-Voltage DC-DC Controllers

This is a design circuit for converter that is ideal for use as a secondary-side post regulator in the design of multiple output AC-DC or DC-DC power supplies or as a DC-DC controller for use in point-of-load (POL) regulators. This circuit is work with based on LM5115. This is the figure of the circuit;


This IC in the circuit has features provide multiple outputs from main DC-DC or AC-DC converter. This IC has operates directly from secondary-side phase signal or DC input. The LM5115 is leading-edge modulation for SSPR from current-mode primary controller. This IC has integrated gate drivers with 2.5A peak output current. Up to 1 MHz switching frequency reduces component footprint and profile. [Circuit source: MAXIM Application Notes]

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