LTC3857 Series

Manufacturer: Analog Devices Inc./Maxim Integrated

Catalog

LOW IQ, DUAL, 2-PHASE SYNCHRONOUS STEP-DOWN CONTROLLER

Part	Output Type	Supplier Device Package	Mounting Type	Duty Cycle (Max) [Max]	Control Features	Frequency - Switching [Min]	Frequency - Switching [Max]	Function	Output Configuration	Output Phases	Voltage - Supply (Vcc/Vdd) [Min]	Voltage - Supply (Vcc/Vdd) [Max]	Topology	Operating Temperature [Min]	Operating Temperature [Max]	Package / Case [x]	Package / Case [y]	Package / Case	Number of Outputs
Analog Devices Inc./Maxim Integrated LTC3857EGN-1#TRPBF	Transistor Driver	28-SSOP	Surface Mount	99.4 %	Enable Frequency Control Power Good Soft Start Tracking	105 kHz 350 kHz	535 kHz 835 kHz	Step-Down	Positive	2	4 V	38 V	Buck	-40 C	125 °C	0.154 in	3.9 mm	28-SSOP	2
Analog Devices Inc./Maxim Integrated LTC3857IGN-1#PBF	Transistor Driver	28-SSOP	Surface Mount	99.4 %	Enable Frequency Control Power Good Soft Start Tracking	105 kHz 350 kHz	535 kHz 835 kHz	Step-Down	Positive	2	4 V	38 V	Buck	-40 C	125 °C	0.154 in	3.9 mm	28-SSOP	2
Analog Devices Inc./Maxim Integrated LTC3857EUH#PBF	Transistor Driver	32-QFN (5x5)	Surface Mount	99.4 %	Current Limit Enable Frequency Control Phase Control Power Good Soft Start Tracking	105 kHz 350 kHz	535 kHz 835 kHz	Step-Down	Positive	2	4 V	38 V	Buck	-40 C	125 °C				2
Analog Devices Inc./Maxim Integrated LTC3857EUH#TRPBF	Transistor Driver	32-QFN (5x5)	Surface Mount	99.4 %	Current Limit Enable Frequency Control Phase Control Power Good Soft Start Tracking	105 kHz 350 kHz	535 kHz 835 kHz	Step-Down	Positive	2	4 V	38 V	Buck	-40 C	125 °C				2
Analog Devices Inc./Maxim Integrated LTC3857IUH#TRPBF	Transistor Driver	32-QFN (5x5)	Surface Mount	99.4 %	Current Limit Enable Frequency Control Phase Control Power Good Soft Start Tracking	105 kHz 350 kHz	535 kHz 835 kHz	Step-Down	Positive	2	4 V	38 V	Buck	-40 C	125 °C				2
Analog Devices Inc./Maxim Integrated LTC3857IUH#PBF	Transistor Driver	32-QFN (5x5)	Surface Mount	99.4 %	Current Limit Enable Frequency Control Phase Control Power Good Soft Start Tracking	105 kHz 350 kHz	535 kHz 835 kHz	Step-Down	Positive	2	4 V	38 V	Buck	-40 C	125 °C				2