LM5025A - Active Clamp Voltage Mode PWM Controller

Product Overview

National Semiconductor

Part number	LM5025A
Manufacturer	National Semiconductor
File Size	728.53 KB
Description	Active Clamp Voltage Mode PWM Controller
Datasheet	LM5025A Datasheet
Additional preview pages of the LM5025A datasheet.

The LM5025A is a functional variant of the LM5025 active clamp PWM controller.

The functional differences of the LM5025A are: The CS1 and CS2 current limit thresholds have been increased to 0.5V.

The internal CS2 filter discharge device has been disabled and no longer operates each clock cycle.

necessary to implement power converters utilizing the Active Clamp / Reset technique. With the active clamp technique, higher efficiencies and greater power densities can be realized compared to conventional catch winding or RDC clamp / reset techniques. Two control outputs are provided, the main power switch control (OUT_A) and the active clamp switch control (OUT_B). The two internal compound gate drivers parallel both MOS and Bipolar devices, providing superior gate drive characteristics. Thi.

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Published: Apr 19, 2010 |