Specification	LTC3128EFE

Current - Output	3 A
Frequency - Switching	1.2 MHz
Function	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
Output Type	Adjustable
Package / Case	20-WFQFN Exposed Pad
Package Length	3 mm
Package Name	20-QFN
Package Width	3 mm
Synchronous Rectifier	Yes
Topology	Buck-Boost
Voltage - Input (Max)	5.5 V
Voltage - Input (Min)	1.73 V
Voltage - Output (Max)	5.5 V
Voltage - Output (Min/Fixed)	1.8 V

LTC3128 Series

Part	Current - Output	Number of Outputs	Voltage - Output (Max)	Synchronous Rectifier	Function	Voltage - Output (Min/Fixed)	Voltage - Input (Max)	Output Configuration	Package Name	Output Type	Topology	Voltage - Input (Min)	Package Length	Package Features	Package Width	Operating Temperature (Max)	Operating Temperature (Min)	Frequency - Switching	Mounting Type	Package / Case
Analog Devices Inc./Maxim Integrated LTC3128IFE#TRPBF	3 A	1	5.5 V	Yes	Step-Down Step-Up	1.8 V	5.5 V	Positive	24-TSSOP	Adjustable	Buck-Boost	1.73 V	0.173 in	Exposed Pad	4.4 mm	125 °C	-40 °C	1.2 MHz	Surface Mount
Analog Devices Inc./Maxim Integrated LTC3128EUFD#PBF	3 A	1	5.5 V	Yes	Step-Down Step-Up	1.8 V	5.5 V	Positive	20-QFN	Adjustable	Buck-Boost	1.73 V	4 mm		5 mm	125 °C	-40 °C	1.2 MHz	Surface Mount	20-WFQFN Exposed Pad
Analog Devices Inc./Maxim Integrated LTC3128IUFD#PBF	3 A	1	5.5 V	Yes	Step-Down Step-Up	1.8 V	5.5 V	Positive	20-QFN	Adjustable	Buck-Boost	1.73 V	4 mm		5 mm	125 °C	-40 °C	1.2 MHz	Surface Mount	20-WFQFN Exposed Pad
Analog Devices Inc./Maxim Integrated LTC3128IUFD#TRPBF	3 A	1	5.5 V	Yes	Step-Down Step-Up	1.8 V	5.5 V	Positive	20-QFN	Adjustable	Buck-Boost	1.73 V	4 mm		5 mm	125 °C	-40 °C	1.2 MHz	Surface Mount	20-WFQFN Exposed Pad
Analog Devices Inc./Maxim Integrated LTC3128EFE#TRPBF	3 A	1	5.5 V	Yes	Step-Down Step-Up	1.8 V	5.5 V	Positive	24-TSSOP	Adjustable	Buck-Boost	1.73 V	0.173 in	Exposed Pad	4.4 mm	125 °C	-40 °C	1.2 MHz	Surface Mount
Analog Devices Inc./Maxim Integrated LTC3128EFE#PBF	3 A	1	5.5 V	Yes	Step-Down Step-Up	1.8 V	5.5 V	Positive	24-TSSOP	Adjustable	Buck-Boost	1.73 V	0.173 in	Exposed Pad	4.4 mm	125 °C	-40 °C	1.2 MHz	Surface Mount
Analog Devices Inc./Maxim Integrated LTC3128EUFD#TRPBF	3 A	1	5.5 V	Yes	Step-Down Step-Up	1.8 V	5.5 V	Positive	20-QFN	Adjustable	Buck-Boost	1.73 V	4 mm		5 mm	125 °C	-40 °C	1.2 MHz	Surface Mount	20-WFQFN Exposed Pad
Analog Devices Inc./Maxim Integrated LTC3128EFE	3 A	1	5.5 V	Yes	Step-Down Step-Up	1.8 V	5.5 V	Positive	20-QFN	Adjustable	Buck-Boost	1.73 V	3 mm		3 mm	125 °C	-40 °C	1.2 MHz	Surface Mount	20-WFQFN Exposed Pad
Analog Devices Inc./Maxim Integrated LTC3128IFE#PBF	3 A	1	5.5 V	Yes	Step-Down Step-Up	1.8 V	5.5 V	Positive	24-TSSOP	Adjustable	Buck-Boost	1.73 V	0.173 in	Exposed Pad	4.4 mm	125 °C	-40 °C	1.2 MHz	Surface Mount

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