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LT3825

Part Number	LT3825
Manufacturer	Linear Technology
Description	Isolated No-Opto Synchronous Flyback Controller
Published	May 13, 2010
Detailed Description	FEATURES n LT3825 Isolated No-Opto Synchronous Flyback Controller with Wide Input Supply Range DESCRIPTION The LT®3825 ...
Datasheet	LT3825 PDF File

Overview

FEATURES n LT3825 Isolated No-Opto Synchronous Flyback Controller with Wide Input Supply Range DESCRIPTION The LT®3825 is an isolated switching regulator controller designed for medium power ﬂyback topologies.
A typical application is 10W to 60W with input voltage limited only by external power path components.
A third transformer winding provides output voltage feedback.
The LT3825 is a current mode controller that regulates output voltage based on sensing secondary voltage via a transformer winding during ﬂyback.
This allows for tight output regulation without the use of an optoisolator, improving dynamic response and reliability.
Synchronous rectiﬁcation increases converter efﬁciency and...

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