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DC2665B-C

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LTM4657 DC TO DC CONVERTER AND SWITCHING REGULATOR MODULE 0.98V TO 1.02V/1.47V TO 1.53V/2.45V TO 2.55V/3.23V TO 3.37V/4.9V TO 5.1V OUTPUT DEMONSTRATION CIRCUIT

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Development Boards, Kits, Programmers

DC2665B-C

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Analog Devices Inc./Maxim Integrated

LTM4657 DC TO DC CONVERTER AND SWITCHING REGULATOR MODULE 0.98V TO 1.02V/1.47V TO 1.53V/2.45V TO 2.55V/3.23V TO 3.37V/4.9V TO 5.1V OUTPUT DEMONSTRATION CIRCUIT

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Technical Specifications

Parameters and characteristics for this part

Specification	DC2665B-C

Board Type	Fully Populated
Contents	Board(s)
Current - Output	8 A
Frequency - Switching	500 kHz
Main Purpose	DC/DC, Step Down
Outputs and Type	1
Outputs and Type	Non-Isolated, 1 Non-Isolated Output
Regulator Topology	Buck
Supplied Contents	Board(s)
Utilized IC / Part	LTM4657
Voltage - Input [Max]	20 V
Voltage - Input [Min]	3.1 V
Voltage - Output	1 V

LTM4657 Series

20VIN, 8A Step-Down DC/DC µModule Regulator

Part	Mounting Type	Supplier Device Package	Package / Case	Size / Dimension [y]	Size / Dimension [x]	Size / Dimension [x]	Size / Dimension [y]	Size / Dimension [z]	Size / Dimension [z]	Type	Voltage - Output 1 [Min]	Voltage - Output 1 [Max]	Voltage - Input (Min) [Min]	Operating Temperature [Max]	Operating Temperature [Min]	Number of Outputs	Applications	Current - Output (Max) [Max]	Voltage - Input (Max) [Max]	Outputs and Type	Outputs and Type	Supplied Contents	Board Type	Current - Output	Voltage - Input [Max]	Voltage - Input [Min]	Frequency - Switching	Contents	Main Purpose	Utilized IC / Part	Regulator Topology	Voltage - Output	Features
Analog Devices Inc./Maxim Integrated LTM4657IY#PBF	Surface Mount	49-BGA (6.25x6.25)	49-BFBGA Module	6.3 mm	0.25 in	6.3 mm	0.25 in	0.15 in	3.9 mm	Non-Isolated PoL Module	0.5 V	5.5 V	3.1 V	125 °C	-40 C	1	ITE (Commercial)	8 A	20 V
Analog Devices Inc./Maxim Integrated DC2665B-C																				1	1 Non-Isolated Output Non-Isolated	Board(s)	Fully Populated	8 A	20 V	3.1 V	500 kHz	Board(s)	DC/DC Step Down	LTM4657	Buck	1 V
Analog Devices Inc./Maxim Integrated LTM4657EY#PBF	Surface Mount	49-BGA (6.25x6.25)	49-BFBGA Module	6.3 mm	0.25 in	6.3 mm	0.25 in	0.15 in	3.9 mm	Non-Isolated PoL Module	0.5 V	5.5 V	3.1 V	125 °C	-40 C	1	ITE (Commercial)	8 A	20 V
Analog Devices Inc./Maxim Integrated LTM4657IY	Surface Mount	49-BGA (6.25x6.25)	49-BFBGA Module	6.3 mm	0.25 in	6.3 mm	0.25 in	0.15 in	3.9 mm	Non-Isolated PoL Module	0.5 V	5.5 V	3.1 V	125 °C	-40 C	1	ITE (Commercial)	8 A	20 V														Adjustable Output Remote On/Off Remote Sense

Pricing

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

Distributor	Package	Quantity	$	Updated

Arrow	N/A	1	$ 72.51	1m+
Digikey	Box	1	$ 77.35	1m+
	N/A	6	$ 77.57	1m+

Description

General part information

LTM4657 Series

The LTM4657 is a complete 8A step-down switching mode µModule (micromodule) regulator in a tiny 6.25mm × 6.25mm × 3.87mm BGA package. Included in the package are the switching controller, power FETs, inductor and support components. Operating over an input voltage range of 3.1V to 20V, the LTM4657 supports an output voltage range of 0.5V to 5.5V, set by a single external resistor. Its high efficiency design delivers up to 8A continuous output current. Only bulk input and output capacitors are needed.The LTM4657 supports selectable discontinuous mode operation and output voltage tracking for supply rail sequencing. Its high switching frequency and current mode control enable a very fast transient response to line and load changes without sacrificing stability.Fault protection features include overvoltage, overcurrent and overtemperature protection.The LTM4657 is available with SnPb or RoHS compliant terminal finish.ApplicationsTelecom, Datacom, Networking and Industrial EquipmentMedical Diagnostic EquipmentData Storage Rack Units and CardsTest and Debug Systems

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