Integrated Circuits (ICs)

LTC3546EFE

Obsolete

Analog Devices Inc./Maxim Integrated

IC REG BUCK ADJ 1A/2A DL 28TSSOP

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Integrated Circuits (ICs)

LTC3546EFE

Obsolete

Analog Devices Inc./Maxim Integrated

IC REG BUCK ADJ 1A/2A DL 28TSSOP

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DocumentsDatasheet

Specifications Series Pricing Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	LTC3546EFE

Current - Output	2 A, 1 A
Frequency - Switching	2.25 MHz
Frequency - Switching [Max]	4 MHz
Frequency - Switching [Min]	750 KHz
Function	Step-Down
Mounting Type	Surface Mount
Number of Outputs	2
Operating Temperature [Max]	125 °C
Operating Temperature [Min]	-40 C
Output Configuration	Positive
Output Type	Adjustable
Package / Case	28-TSSOP (0.173", 4.40mm Width) Exposed Pad
Supplier Device Package	28-TSSOP-EP
Synchronous Rectifier	True
Topology	Buck
Voltage - Input (Max) [Max]	5.5 V
Voltage - Input (Min) [Min]	2.3 V
Voltage - Output (Max) [Max]	5 V
Voltage - Output (Min/Fixed)	0.6 V

LTC3546 Series

Part	Supplier Device Package	Number of Outputs	Voltage - Input (Max) [Max]	Voltage - Input (Min) [Min]	Current - Output	Voltage - Output (Max) [Max]	Package / Case	Operating Temperature [Min]	Operating Temperature [Max]	Voltage - Output (Min/Fixed)	Mounting Type	Output Configuration	Output Type	Topology	Frequency - Switching	Frequency - Switching [Max]	Frequency - Switching [Min]	Function	Contents	Voltage - Input [Max]	Voltage - Input [Min]	Regulator Topology	Utilized IC / Part	Main Purpose	Outputs and Type
Analog Devices Inc./Maxim Integrated LTC3546EFE#TRPBF	28-TSSOP-EP	2	5.5 V	2.3 V	1 A 2 A	5 V	28-TSSOP (0.173" 4.40mm Width) Exposed Pad	-40 C	125 °C	0.6 V	Surface Mount	Positive	Adjustable	Buck	2.25 MHz	4 MHz	750 KHz	Step-Down
Analog Devices Inc./Maxim Integrated LTC3546EFE	28-TSSOP-EP	2	5.5 V	2.3 V	1 A 2 A	5 V	28-TSSOP (0.173" 4.40mm Width) Exposed Pad	-40 C	125 °C	0.6 V	Surface Mount	Positive	Adjustable	Buck	2.25 MHz	4 MHz	750 KHz	Step-Down
Analog Devices Inc./Maxim Integrated LTC3546IUFD#PBF	28-QFN (4x5)	2	5.5 V	2.3 V	1 A 2 A	5 V	28-WFQFN Exposed Pad	-40 C	125 °C	0.6 V	Surface Mount	Positive	Adjustable	Buck	2.25 MHz	4 MHz	750 KHz	Step-Down
Analog Devices Inc./Maxim Integrated LTC3546IUFD#TRPBF	28-QFN (4x5)	2	5.5 V	2.3 V	1 A 2 A	5 V	28-WFQFN Exposed Pad	-40 C	125 °C	0.6 V	Surface Mount	Positive	Adjustable	Buck	2.25 MHz	4 MHz	750 KHz	Step-Down
Analog Devices Inc./Maxim Integrated LTC3546IFE#PBF	28-TSSOP-EP	2	5.5 V	2.3 V	1 A 2 A	5 V	28-TSSOP (0.173" 4.40mm Width) Exposed Pad	-40 C	125 °C	0.6 V	Surface Mount	Positive	Adjustable	Buck	2.25 MHz	4 MHz	750 KHz	Step-Down
Analog Devices Inc./Maxim Integrated LTC3546EUFD#PBF	28-QFN (4x5)	2	5.5 V	2.3 V	1 A 2 A	5 V	28-WFQFN Exposed Pad	-40 C	125 °C	0.6 V	Surface Mount	Positive	Adjustable	Buck	2.25 MHz	4 MHz	750 KHz	Step-Down
Analog Devices Inc./Maxim Integrated LTC3546IFE#TRPBF	28-TSSOP-EP	2	5.5 V	2.3 V	1 A 2 A	5 V	28-TSSOP (0.173" 4.40mm Width) Exposed Pad	-40 C	125 °C	0.6 V	Surface Mount	Positive	Adjustable	Buck	2.25 MHz	4 MHz	750 KHz	Step-Down
Analog Devices Inc./Maxim Integrated LTC3546EUFD#TRPBF	28-QFN (4x5)	2	5.5 V	2.3 V	1 A 2 A	5 V	28-WFQFN Exposed Pad	-40 C	125 °C	0.6 V	Surface Mount	Positive	Adjustable	Buck	2.25 MHz	4 MHz	750 KHz	Step-Down
Analog Devices Inc./Maxim Integrated LTC3546EFE#PBF	28-TSSOP-EP	2	5.5 V	2.3 V	1 A 2 A	5 V	28-TSSOP (0.173" 4.40mm Width) Exposed Pad	-40 C	125 °C	0.6 V	Surface Mount	Positive	Adjustable	Buck	2.25 MHz	4 MHz	750 KHz	Step-Down
Analog Devices Inc./Maxim Integrated DC1087A					1 A 3 A										1.5 MHz				Board(s)	5.5 V	2.5 V	Buck	LTC3546	DC/DC Step Down	2 Non-Isolated Outputs

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$	Updated

Digikey	N/A	0	$ 0.00	1m+

Description

General part information

LTC3546 Series

Buck Switching Regulator IC Positive Adjustable 0.6V 2 Output 1A, 2A 28-TSSOP (0.173", 4.40mm Width) Exposed Pad

Documents

Technical documentation and resources