Series: LTC3899
Part Number: DC1898A
Description
60V Low IQ, Triple Output, Buck/Buck/Boost Synchronous Controller with PassThru Features:Dual Buck Plus Single Boost Synchronous ControllersWide Bias Input Voltage Range: 4.5V to 60VOutputs Remain in Regulation Through Cold Crank Down to a 2.2V Input Supply VoltageBuck and Boost Output Voltages Up to 60VAdjustable Gate Drive Level 5V to 10V (OPTI-DRIVE)No External Bootstrap Diodes RequiredLow Operating IQ: 29μA (One Channel On)100% Duty Cycle for Boost Synchronous MOSFETPhase-Lockable Frequency (75kHz to 850kHz)Programmable Fixed Frequency (50kHz to 900kHz)Very Low Dropout Operation: 99% Duty Cycle (Bucks)Low Shutdown IQ: 3.6μAFixed or Adjustable Boost Output Voltage Saves IQSmall 38-Lead 5mm × 7mm QFN and TSSOP Packages
