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LT3800

Part Number	LT3800
Manufacturer	Linear Technology
Description	High-Voltage Synchronous Current Mode Step-Down Controller
Published	May 13, 2010
Detailed Description	LT3800 High-Voltage Synchronous Current Mode Step-Down Controller DESCRIPTIO The LT®3800 is a 200kHz fixed frequency hig...
Datasheet	LT3800 PDF File

Overview

LT3800 High-Voltage Synchronous Current Mode Step-Down Controller DESCRIPTIO The LT®3800 is a 200kHz fixed frequency high voltage synchronous current mode step-down switching regulator controller.
The IC drives standard gate N-channel power MOSFETs and can operate with input voltages from 4V to 60V.
An onboard regulator provides IC power directly from VIN and provides for output-derived power to minimize VIN quiescent current.
MOSFET drivers employ an internal dynamic bootstrap feature, maximizing gate-source “ON” voltages during normal operation for improved operating efficiencies.
The LT3800 incorporates Burst Mode® operation, which reduces no load quiescent current to under 100µA.
Light l...

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