LTC3725IMSE#PBF

LTC3725 - Single-Switch Forward Controller and Gate Driver

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Price:: US $1.20~1.60 / piece [Get Latest Price]

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	US $1.20~1.60

PartNumber:: LTC3725IMSE#PBF

Brand:: Linear Technology - Linear | Pack: MSOP | D/C: 09+

Availability:: Supply Ability: 10000/Week Can Ship Immediately
Delivery: 10-15 Business Days (ships out within 3 Business days)

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Products Upload time: 2012-10-18

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Part Number:LTC3725IMSE#PBF
US $1.20 - 1.60
YL-G709

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LM64P101

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Product Summary

The LTC3725 is a controller for a single-switch forward converter and includes an on-chip gate driver.

For secondary-side control, combine the LTC3725 with the LTC3706 PolyPhase secondary-side synchronous forward controller to create a complete forward converter using a minimum of discrete parts. A proprietary scheme is used to multiplex gate drive signals across the isolation barrier through a tiny pulse transformer. The on-chip rectifier and the same pulse transformer provide gate drive bias power.

Alternatively, the LTC3725 can be used as a standalone voltage mode controller in a primary-side control architecture with optoisolator feedback. Voltage feedforward provides excellent line regulation and transient response.

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Features

High Speed Gate Driver for Forward Converter
On-Chip Rectifier and Self-Starting Architecture Eliminates Need for Separate Gate Drive Bias Supply
Wide Input Voltage Supply Range: 9V and Up
Linear Regulator Controller for Fast Start-Up
Precision UVLO with Adjustable Hysteresis
Overcurrent Protection
Volt-Second Limit Prevents Transformer Core Saturation
Voltage Feedforward for Fast Transient Response
Available in 10-Lead MSOP Package