Specification	LT3959EFE

Current - Output	6 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 Features	Exposed Pad
Package Length	0.173 in
Package Name	38-TSSOP-EP, 38-TFSOP
Package Width	4.4 mm
Synchronous Rectifier	No
Topology	SEPIC, Boost, Cuk
Voltage - Input (Max)	40 V
Voltage - Input (Min)	1.6 V
Voltage - Output (Max)	40 V
Voltage - Output (Min/Fixed)	0.8 V

LT3959 Series

Part	Output Type	Package Width	Package Features	Package Name	Package Length	Synchronous Rectifier	Current - Output	Function	Frequency - Switching (Max)	Frequency - Switching (Min)	Operating Temperature (Max)	Operating Temperature (Min)	Voltage - Input (Max)	Voltage - Output (Min/Fixed)	Mounting Type	Number of Outputs	Voltage - Input (Min)	Output Configuration	Voltage - Output (Max)	Topology	Package Leads
Analog Devices Inc./Maxim Integrated LT3959EFE#TRPBF	Adjustable	4.4 mm	Exposed Pad	38-TFSOP 38-TSSOP-EP	0.173 in	No	6 A	Step-Up Step-Up/Step-Down	1 MHz	100 kHz	125 °C	-40 °C	40 V	0.8 V	Surface Mount	1	1.6 V	Negative Positive Positive or Negative	40 V	Boost Cuk SEPIC
Analog Devices Inc./Maxim Integrated LT3959EUHE#PBF	Adjustable	6 mm		36-QFN 36-WFQFN	5 mm	No	6 A	Step-Up Step-Up/Step-Down	1 MHz	100 kHz	125 °C	-40 °C	40 V	0.8 V	Surface Mount	1	1.6 V	Negative Positive Positive or Negative	40 V	Boost Cuk SEPIC	28 Leads
Analog Devices Inc./Maxim Integrated LT3959IFE#PBF	Adjustable	4.4 mm	Exposed Pad	38-TFSOP 38-TSSOP-EP	0.173 in	No	6 A	Step-Up Step-Up/Step-Down	1 MHz	100 kHz	125 °C	-40 °C	40 V	0.8 V	Surface Mount	1	1.6 V	Negative Positive Positive or Negative	40 V	Boost Cuk SEPIC
Analog Devices Inc./Maxim Integrated LT3959IUHE#PBF	Adjustable	6 mm		36-QFN 36-WFQFN	5 mm	No	6 A	Step-Up Step-Up/Step-Down	1 MHz	100 kHz	125 °C	-40 °C	40 V	0.8 V	Surface Mount	1	1.6 V	Negative Positive Positive or Negative	40 V	Boost Cuk SEPIC	28 Leads
Analog Devices Inc./Maxim Integrated LT3959EFE	Adjustable	4.4 mm	Exposed Pad	38-TFSOP 38-TSSOP-EP	0.173 in	No	6 A	Step-Up Step-Up/Step-Down	1 MHz	100 kHz	125 °C	-40 °C	40 V	0.8 V	Surface Mount	1	1.6 V	Negative Positive Positive or Negative	40 V	Boost Cuk SEPIC
Analog Devices Inc./Maxim Integrated LT3959IFE#TRPBF	Adjustable	4.4 mm	Exposed Pad	38-TFSOP 38-TSSOP-EP	0.173 in	No	6 A	Step-Up Step-Up/Step-Down	1 MHz	100 kHz	125 °C	-40 °C	40 V	0.8 V	Surface Mount	1	1.6 V	Negative Positive Positive or Negative	40 V	Boost Cuk SEPIC
Analog Devices Inc./Maxim Integrated LT3959EUHE#TRPBF	Adjustable	6 mm		36-QFN 36-WFQFN	5 mm	No	6 A	Step-Up Step-Up/Step-Down	1 MHz	100 kHz	125 °C	-40 °C	40 V	0.8 V	Surface Mount	1	1.6 V	Negative Positive Positive or Negative	40 V	Boost Cuk SEPIC	28 Leads
Analog Devices Inc./Maxim Integrated LT3959IUHE#TRPBF	Adjustable	6 mm		36-QFN 36-WFQFN	5 mm	No	6 A	Step-Up Step-Up/Step-Down	1 MHz	100 kHz	125 °C	-40 °C	40 V	0.8 V	Surface Mount	1	1.6 V	Negative Positive Positive or Negative	40 V	Boost Cuk SEPIC	28 Leads
Analog Devices Inc./Maxim Integrated LT3959EFE#PBF	Adjustable	4.4 mm	Exposed Pad	38-TFSOP 38-TSSOP-EP	0.173 in	No	6 A	Step-Up Step-Up/Step-Down	1 MHz	100 kHz	125 °C	-40 °C	40 V	0.8 V	Surface Mount	1	1.6 V	Negative Positive Positive or Negative	40 V	Boost Cuk SEPIC

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