Development Boards, Kits, Programmers

DC2113A

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Analog Devices Inc./Maxim Integrated

POWER MANAGEMENT IC DEVELOPMENT TOOLS LTC3649 DEMO BOARD - 3.1V TO 60V INPUT D

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Development Boards, Kits, Programmers

DC2113A

Active

Analog Devices Inc./Maxim Integrated

POWER MANAGEMENT IC DEVELOPMENT TOOLS LTC3649 DEMO BOARD - 3.1V TO 60V INPUT D

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Technical Specifications

Parameters and characteristics for this part

Specification	DC2113A

Contents	Board(s)
Current - Output	4 A
Frequency - Switching	500 kHz
Main Purpose	DC/DC, Step Down
Outputs and Type	1 Non-Isolated Output
Regulator Topology	Buck
Utilized IC / Part	LTC3649
Voltage - Input [Max]	60 V
Voltage - Input [Min]	4 V
Voltage - Output	5 V, 3.3 V

LTC3649 Series

60V, 4A Synchronous Step-Down Regulator with Rail-to-Rail Programmable Output

Part	Mounting Type	Package / Case	Operating Temperature [Min]	Operating Temperature [Max]	Voltage - Input (Max) [Max]	Voltage - Output (Max) [Max]	Topology	Supplier Device Package	Frequency - Switching	Current - Output	Output Configuration	Voltage - Output (Min/Fixed)	Output Type	Function	Number of Outputs	Voltage - Input (Min) [Min]	Board Type	Supplied Contents	Outputs and Type	Outputs and Type	Regulator Topology	Voltage - Output	Main Purpose	Voltage - Input [Max]	Voltage - Input [Min]	Contents	Utilized IC / Part
Analog Devices Inc./Maxim Integrated LTC3649EUFD#PBF	Surface Mount	28-WFQFN Exposed Pad	-40 C	125 °C	60 V	55 V	Buck	28-QFN (4x5)	1 MHz	4 A	Positive	0 V	Adjustable	Step-Down	1	3.1 V
Analog Devices Inc./Maxim Integrated LTC3649EFE#PBF	Surface Mount	28-TSSOP (0.173" 4.40mm Width) Exposed Pad	-40 C	125 °C	60 V	55 V	Buck	28-TSSOP-EP	1 MHz	4 A	Positive	0 V	Adjustable	Step-Down	1	3.1 V
Analog Devices Inc./Maxim Integrated DC2112A									500 kHz	4 A							Fully Populated	Board(s)	1	1 Non-Isolated Output Non-Isolated	Buck	3.3 V 5 V	DC/DC Step Down	60 V	4 V	Board(s)	LTC3649
Analog Devices Inc./Maxim Integrated LTC3649IUFD#PBF	Surface Mount	28-WFQFN Exposed Pad	-40 C	125 °C	60 V	55 V	Buck	28-QFN (4x5)	1 MHz	4 A	Positive	0 V	Adjustable	Step-Down	1	3.1 V
Analog Devices Inc./Maxim Integrated LTC3649EFE	Surface Mount	28-TSSOP (0.173" 4.40mm Width) Exposed Pad	-40 C	125 °C	60 V	55 V	Buck	28-TSSOP-EP	1 MHz	4 A	Positive	0 V	Adjustable	Step-Down	1	3.1 V
Analog Devices Inc./Maxim Integrated LTC3649IFE#PBF	Surface Mount	28-TSSOP (0.173" 4.40mm Width) Exposed Pad	-40 C	125 °C	60 V	55 V	Buck	28-TSSOP-EP	1 MHz	4 A	Positive	0 V	Adjustable	Step-Down	1	3.1 V
Analog Devices Inc./Maxim Integrated LTC3649EUFD#TRPBF	Surface Mount	28-WFQFN Exposed Pad	-40 C	125 °C	60 V	55 V	Buck	28-QFN (4x5)	1 MHz	4 A	Positive	0 V	Adjustable	Step-Down	1	3.1 V
Analog Devices Inc./Maxim Integrated LTC3649IUFD#TRPBF	Surface Mount	28-WFQFN Exposed Pad	-40 C	125 °C	60 V	55 V	Buck	28-QFN (4x5)	1 MHz	4 A	Positive	0 V	Adjustable	Step-Down	1	3.1 V
Analog Devices Inc./Maxim Integrated DC2113A									500 kHz	4 A										1 Non-Isolated Output	Buck	3.3 V 5 V	DC/DC Step Down	60 V	4 V	Board(s)	LTC3649
Analog Devices Inc./Maxim Integrated LTC3649IFE#TRPBF	Surface Mount	28-TSSOP (0.173" 4.40mm Width) Exposed Pad	-40 C	125 °C	60 V	55 V	Buck	28-TSSOP-EP	1 MHz	4 A	Positive	0 V	Adjustable	Step-Down	1	3.1 V

Pricing

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

Distributor	Package	Quantity	$	Updated

Digikey	Box	1	$ 175.07	1m+
	N/A	2	$ 175.07	1m+
Mouser	N/A	1	$ 176.55	1m+

Description

General part information

LTC3649 Series

The LTC3649 is a high efficiency 60V, 4A synchronous monolithic step-down regulator. The regulator features a single resistor programmable output voltage, internal compensation and high efficiencies over a wide VOUTrange.The step-down regulator operates from an input voltage range of 3.1V to 60V and provides an adjustable rail-to-rail output range from (VIN– 0.5V) to ground while delivering up to 4A of output current. The switching frequency is also adjusted with an external resistor. A user-selectable mode input is provided to allow the user to trade off ripple noise for efficiency at light loads; Burst Mode operation provides the highest efficiency at light loads, while forced continuous mode provides low output ripple. The MODE/SYNC pin can also be used to allow the user to synchronize the switching frequency to an external clock.The LTC3649 operates with a peak current mode architecture that allows for fast transient response with inherent cycle-to-cycle current limit protection. It also features programmable output current limit, current monitoring and input voltage regulation.ApplicationsIndustrial ApplicationsAutomotive Applications

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Technical documentation and resources