LTC3859A
LTC3859A is Buck/Buck/Boost Synchronous Controller manufactured by Linear Technology.
Low IQ, Triple Output, Buck/Buck/Boost Synchronous Controller with Improved Burst Mode Operation
Features
DESCRIPTION n Dual Buck Plus Single Boost Synchronous Controllers n Outputs Remain in Regulation Through Cold Crank
Down to 2.5V n Low Operating IQ: 55μA (One Channel On) n Wide Bias Input Voltage Range: 4.5V to 38V n Buck Output Voltage Range: 0.8V ≤ VOUT ≤ 24V n Boost Output Voltage Up to 60V n RSENSE or DCR Current Sensing n 100% Duty Cycle for Boost Synchronous MOSFET
Even in Burst Mode® Operation n Phase-Lockable Frequency (75kHz to 850kHz) n Programmable Fixed Frequency (50kHz to 900kHz) n Selectable Continuous, Pulse-Skipping or Low Ripple
Burst Mode Operation at...
