LTM4637IV#PBF

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Analog Devices

20A DC/DC ΜMODULE (POWER MODULE) STEP-DOWN REGULATOR

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LTM4637IV#PBF

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Analog Devices

20A DC/DC ΜMODULE (POWER MODULE) STEP-DOWN REGULATOR

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Technical Specifications

Parameters and characteristics for this part

Specification	LTM4637IV#PBF

Applications	ITE (Commercial)
Current - Output (Max) [Max]	20 A
Efficiency	88 %
Features	OVP, OCP, OTP
Mounting Type	Surface Mount
Number of Outputs	1
Operating Temperature [Max]	125 °C
Operating Temperature [Min]	-40 °C
Package / Case	133-BLGA Module
Size / Dimension [x]	0.59 in
Size / Dimension [x]	15 mm
Size / Dimension [y]	0.59 in
Size / Dimension [y]	15 mm
Size / Dimension [z]	0.17 in
Size / Dimension [z]	4.3 mm
Supplier Device Package	133-LGA (15x15)
Type	Non-Isolated PoL Module
Voltage - Input (Max) [Max]	20 V
Voltage - Input (Min) [Min]	4.5 V
Voltage - Output 1 [Max]	5.5 V
Voltage - Output 1 [Min]	0.6 V

LTM4637 Series

20A DC/DC μModule (Power Module) Step-Down Regulator

Part	Voltage - Input (Max) [Max]	Operating Temperature [Max]	Operating Temperature [Min]	Voltage - Input (Min) [Min]	Supplier Device Package	Efficiency	Number of Outputs	Package / Case	Voltage - Output 1 [Max]	Voltage - Output 1 [Min]	Features	Current - Output (Max) [Max]	Applications	Size / Dimension [x]	Size / Dimension [z]	Size / Dimension [x]	Size / Dimension [y]	Size / Dimension [y]	Size / Dimension [z]	Type	Mounting Type
Analog Devices LTM4637IY#PBF	20 V	125 °C	-40 °C	4.5 V	133-BGA (15x15)	88 %	1	133-BBGA Module	5.5 V	0.6 V	OCP OTP OVP	20 A	ITE (Commercial)	0.59 in	4.9 mm	15 mm	15 mm	0.59 in	0.19 in	Non-Isolated PoL Module	Surface Mount
Analog Devices LTM4637IV#PBF	20 V	125 °C	-40 °C	4.5 V	133-LGA (15x15)	88 %	1	133-BLGA Module	5.5 V	0.6 V	OCP OTP OVP	20 A	ITE (Commercial)	0.59 in	4.3 mm	15 mm	15 mm	0.59 in	0.17 in	Non-Isolated PoL Module	Surface Mount

Pricing

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

Distributor	Package	Quantity	$

Digikey	Tray	1	$ 48.37
		5	$ 46.57
		10	$ 45.81
		25	$ 44.83
		50	$ 44.10
		119	$ 43.20

Description

General part information

LTM4637 Series

The LTM4637 is a complete 20A output high efficiency switch mode step-down DC/DC μModule (power module) regulator. Included in the package are the switching controller, power FETs, inductor and compensation components. Operating over an input voltage range from 4.5V to 20V, the LTM4637 supports an output voltage range of 0.6V to 5.5V, set by a single external resistor. Only a few input and output capacitors are needed.Current mode operation allows precision current sharing of up to four LTM4637 regulators to obtain up to 80A output. High switching frequency and a current mode architecture enable a very fast transient response to line and load changes without sacrificing stability. The device supports frequency synchronization, multiphase/current sharing, Burst Mode operation and output voltage tracking for supply rail sequencing. A diode-connected PNP transistor is available for use as an internal temperature monitor.The LTM4637 is offered in 15mm × 15mm × 4.32mm LGA and 15mm × 15mm × 4.92mm packages. The LTM4637 is available with SnPb (BGA) or RoHS compliant terminal finish. The LTM4637 is pin compatible with the LTM4627, a 15A DC/DC μModule regulator.ApplicationsTelecom Servers and Networking EquipmentIndustrial EquipmentMedical SystemsHigh Ambient Temperature Systems