LT3663EDCB-5#TRPBF

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Analog Devices Inc./Maxim Integrated

1.2A STEP-DOWN SWITCHING REGULATOR WITH OUTPUT CURRENT LIMIT

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LT3663EDCB-5#TRPBF

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Analog Devices Inc./Maxim Integrated

1.2A STEP-DOWN SWITCHING REGULATOR WITH OUTPUT CURRENT LIMIT

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Description Series Pricing CAD Documents

Description

General part information

LT3663 Series

The LT3663 is a current mode step-down switching regulator with programmable output current limit. The current limit accurately controls the system power dissipation and reduces the size of the power path components.The wide operating input voltage range of 7.5V to 36V (60V transient) suits the LT3663 to a variety of input sources, including unregulated 12V wall adapters, 24V industrial supplies, and automotive power.The LT3663 includes a low current shutdown mode, input overvoltage and undervoltage lockout, and thermal shutdown. Internal compensation and boost diode minimize the number of external exponents. 3.3V and 5V fixed output voltage versions are available.The LT3663 is available in 8-lead DFN and MSOP packages with exposed pads for low thermal resistance.ApplicationsDistributed Supply RegulationAutomotive Battery RegulationIndustrial SuppliesWall Transformer Regulation

LT3663 Series

Part	Package Length	Package Name	Package Width	Voltage - Output (Max)	Frequency - Switching	Function	Output Type	Voltage - Input (Max)	Synchronous Rectifier	Current - Output	Operating Temperature (Max)	Operating Temperature (Min)	Package / Case	Number of Outputs	Output Configuration	Mounting Type	Voltage - Output (Min/Fixed)	Topology	Voltage - Input (Min)	Package Features
Analog Devices Inc./Maxim Integrated LT3663IDCB#TRPBF	2 mm	8-DFN	3 mm	6 V	1.5 MHz	Step-Down	Adjustable	36 V	No	1.2 A	125 °C	-40 °C	8-WFDFN Exposed Pad	1	Positive	Surface Mount	0.8 V	Buck	7.5 V
Analog Devices Inc./Maxim Integrated LT3663EMS8E-5#PBF	0.118 in	8-MSOP 8-MSOP-EP 8-TSSOP	3 mm		1 MHz	Step-Down	Fixed	36 V	No	1.2 A	125 °C	-40 °C		1	Positive	Surface Mount	5 V	Buck	7.5 V	Exposed Pad
Analog Devices Inc./Maxim Integrated LT3663EDCB#TRMPBF	2 mm	8-DFN	3 mm	6 V	1.5 MHz	Step-Down	Adjustable	36 V	No	1.2 A	125 °C	-40 °C	8-WFDFN Exposed Pad	1	Positive	Surface Mount	0.8 V	Buck	7.5 V
Analog Devices Inc./Maxim Integrated LT3663EMS8E-5#TRPBF	0.118 in	8-MSOP 8-MSOP-EP 8-TSSOP	3 mm		1 MHz	Step-Down	Fixed	36 V	No	1.2 A	125 °C	-40 °C		1	Positive	Surface Mount	5 V	Buck	7.5 V	Exposed Pad
Analog Devices Inc./Maxim Integrated LT3663HMS8E-5#PBF	0.118 in	8-MSOP 8-MSOP-EP 8-TSSOP	3 mm		1 MHz	Step-Down	Fixed	36 V	No	1.2 A	150 °C	-40 °C		1	Positive	Surface Mount	5 V	Buck	7.5 V	Exposed Pad
Analog Devices Inc./Maxim Integrated LT3663EDCB-5#TRMPBF	2 mm	8-DFN	3 mm		1 MHz	Step-Down	Fixed	36 V	No	1.2 A	125 °C	-40 °C	8-WFDFN Exposed Pad	1	Positive	Surface Mount	5 V	Buck	7.5 V
Analog Devices Inc./Maxim Integrated LT3663IDCB-5	2 mm	8-DFN	3 mm		1 MHz	Step-Down	Fixed	36 V	No	1.2 A	125 °C	-40 °C	8-WFDFN Exposed Pad	1	Positive	Surface Mount	5 V	Buck	7.5 V
Analog Devices Inc./Maxim Integrated LT3663EDCB-3.3#TRPBF	2 mm	8-DFN	3 mm		1 MHz	Step-Down	Fixed	36 V	No	1.2 A	125 °C	-40 °C	8-WFDFN Exposed Pad	1	Positive	Surface Mount	3.3 V	Buck	7.5 V
Analog Devices Inc./Maxim Integrated LT3663IMS8E-5#TRPBF	0.118 in	8-MSOP 8-MSOP-EP 8-TSSOP	3 mm		1 MHz	Step-Down	Fixed	36 V	No	1.2 A	125 °C	-40 °C		1	Positive	Surface Mount	5 V	Buck	7.5 V	Exposed Pad
Analog Devices Inc./Maxim Integrated LT3663EMS8E-3.3#PBF	0.118 in	8-MSOP 8-MSOP-EP 8-TSSOP	3 mm		1 MHz	Step-Down	Fixed	36 V	No	1.2 A	125 °C	-40 °C		1	Positive	Surface Mount	3.3 V	Buck	7.5 V	Exposed Pad

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CAD

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LT3663EDCB-5#TRPBF | Datasheet

R530 Reliability Data