Specification	LT3957AIUHE

Current - Output	5 A
Frequency - Switching (Max)	1 MHz
Frequency - Switching (Min)	100 kHz
Function	Step-Up, Step-Up/Step-Down
Mounting Type	Surface Mount
Number of Outputs	1
Operating Temperature (Max)	125 °C
Operating Temperature (Min)	-40 °C
Output Configuration	Positive or Negative, Positive, Negative
Output Type	Adjustable
Package Leads	28 Leads
Package Length	5 mm
Package Name	36-QFN, 36-WFQFN
Package Width	6 mm
Synchronous Rectifier	No
Topology	Boost, SEPIC, Cuk, Flyback
Voltage - Input (Max)	40 V
Voltage - Input (Min)	3 V
Voltage - Output (Max)	40 V
Voltage - Output (Min/Fixed)	1.6 V

LT3957 Series

Part	Operating Temperature (Max)	Operating Temperature (Min)	Synchronous Rectifier	Voltage - Input (Max)	Voltage - Input (Min)	Function	Output Type	Current - Output	Package Name	Package Leads	Package Width	Package Length	Voltage - Output (Max)	Frequency - Switching (Max)	Frequency - Switching (Min)	Output Configuration	Topology	Mounting Type	Voltage - Output (Min/Fixed)	Number of Outputs
Analog Devices Inc./Maxim Integrated LT3957IUHE#PBF	125 °C	-40 °C	No	40 V	3 V	Step-Up Step-Up/Step-Down	Adjustable	5 A	36-QFN 36-WFQFN	28 Leads	6 mm	5 mm	40 V	1 MHz	100 kHz	Negative Positive Positive or Negative	Boost Cuk Flyback SEPIC	Surface Mount	1.6 V	1
Analog Devices Inc./Maxim Integrated LT3957IUHE#TRPBF	125 °C	-40 °C	No	40 V	3 V	Step-Up Step-Up/Step-Down	Adjustable	5 A	36-QFN 36-WFQFN	28 Leads	6 mm	5 mm	40 V	1 MHz	100 kHz	Negative Positive Positive or Negative	Boost Cuk Flyback SEPIC	Surface Mount	1.6 V	1
Analog Devices Inc./Maxim Integrated LT3957EUHE#TRPBF	125 °C	-40 °C	No	40 V	3 V	Step-Up Step-Up/Step-Down	Adjustable	5 A	36-QFN 36-WFQFN	28 Leads	6 mm	5 mm	40 V	1 MHz	100 kHz	Negative Positive Positive or Negative	Boost Cuk Flyback SEPIC	Surface Mount	1.6 V	1
Analog Devices Inc./Maxim Integrated LT3957AIUHE	125 °C	-40 °C	No	40 V	3 V	Step-Up Step-Up/Step-Down	Adjustable	5 A	36-QFN 36-WFQFN	28 Leads	6 mm	5 mm	40 V	1 MHz	100 kHz	Negative Positive Positive or Negative	Boost Cuk Flyback SEPIC	Surface Mount	1.6 V	1
Analog Devices Inc./Maxim Integrated LT3957EUHE#PBF	125 °C	-40 °C	No	40 V	3 V	Step-Up Step-Up/Step-Down	Adjustable	5 A	36-QFN 36-WFQFN	28 Leads	6 mm	5 mm	40 V	1 MHz	100 kHz	Negative Positive Positive or Negative	Boost Cuk Flyback SEPIC	Surface Mount	1.6 V	1

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