Topology is Buck, SEPIC - PMIC - Voltage Regulators - DC DC Switching Controllers Distributor - LTC3890EGN-3#PBF LTC3890EUH-2#PBF

Part Number	Manufacturer / Brand	Brife Description	Part Status	Output Type	Function	Output Configuration	Topology	Number of Outputs	Output Phases	Voltage - Supply (Vcc/Vdd)	Frequency - Switching	Duty Cycle (Max)	Synchronous Rectifier	Clock Sync	Serial Interfaces	Control Features	Operating Temperature	Package / Case	Supplier Device Package
LTC3890EGN-3#PBF	Linear Technology/Analog Devices	IC Regulators Controller BUCK/SEPIC 28SSOP	Active	Transistor Driver	Step-Down, Step-Up/Step-Down	Positive	Buck, SEPIC	2	2	4 V ~ 60 V	105kHz ~ 835kHz, 350kHz ~ 535kHz	99%	Yes	No	-	Enable, Frequency Control, Power Good, Soft Start, Tracking	-40°C ~ 125°C (TJ)	28-SSOP (0.154", 3.90mm Width)	28-SSOP
LTC3890EUH-2#PBF	Linear Technology/Analog Devices	IC Regulators Controller BUCK/SEPIC 32QFN	Active	Transistor Driver	Step-Down, Step-Up/Step-Down	Positive	Buck, SEPIC	2	2	4 V ~ 60 V	105kHz ~ 835kHz, 350kHz ~ 535kHz	99%	Yes	No	-	Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking	-40°C ~ 125°C (TJ)	32-WFQFN Exposed Pad	32-QFN (5x5)