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LT1425

Linear Technology
Part Number LT1425
Manufacturer Linear Technology
Description Isolated Flyback Switching Regulator
Published Mar 22, 2005
Detailed Description LT1425 Isolated Flyback Switching Regulator FEATURES s s DESCRIPTION The LT ®1425 is a monolithic high power switching...
Datasheet PDF File LT1425 PDF File

LT1425
LT1425

Overview
LT1425 Isolated Flyback Switching Regulator FEATURES s s DESCRIPTION The LT ®1425 is a monolithic high power switching regulator specifically designed for the isolated flyback topology.
No “third winding” or optoisolator is required; the integrated circuit senses the isolated output voltage directly from the primary side flyback waveform.
A high current, high efficiency switch is included on the die along with all oscillator, control and protection circuitry.
The LT1425 operates with input supply voltages from 3V to 20V and draws only 7mA quiescent current.
It can deliver output power up to 6W with no external power devices.
By utilizing current mode switching techniques, it provides excellent AC and DC line regulation.
The LT1425 has a number of features not found on other switching regulator ICs.
Its unique control circuitry can maintain regulation well into discontinuous mode in most applications.
Optional load compensation circuitry allows for improved load regulation.
An externa...


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