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LTC3899

Part Number	LTC3899
Manufacturer	Linear Technology
Description	Buck/Buck/Boost Synchronous Controller
Published	Apr 11, 2015
Detailed Description	LTC3899 FEATURES 60V Low IQ, Triple Output, Buck/Buck/Boost Synchronous Controller DESCRIPTION n Dual Buck Plus Singl...
Datasheet	LTC3899 PDF File

Overview

LTC3899 FEATURES 60V Low IQ, Triple Output, Buck/Buck/Boost Synchronous Controller DESCRIPTION n Dual Buck Plus Single Boost Synchronous Controllers n Wide Bias Input Voltage Range: 4.
5V to 60V n Outputs Remain in Regulation Through Cold Crank Down to a 2.
2V Input Supply Voltage n Buck and Boost Output Voltages Up to 60V n Adjustable Gate Drive Level 5V to 10V (OPTI-DRIVE) n No External Bootstrap Diodes Required n Low Operating IQ: 29μA (One Channel On) n 100% Duty Cycle for Boost Synchronous MOSFET n Phase-Lockable Frequency (75kHz to 850kHz) n Programmable Fixed Frequency (50kHz to 900kHz) n Very Low Dropout Operation: 99% Duty Cycle (Bucks) n Low Shutdown IQ: 3.
6μA n Fixed or Adjustabl...

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