LT3502AEMS#PBF

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Analog Devices Inc./Maxim Integrated

1.1MHZ/2.2MHZ, 500MA STEP-DOWN REGULATORS IN 2MM × 2MM DFN AND MS10

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LT3502AEMS#PBF

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Analog Devices Inc./Maxim Integrated

1.1MHZ/2.2MHZ, 500MA STEP-DOWN REGULATORS IN 2MM × 2MM DFN AND MS10

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Description Specifications Series Pricing CAD Documents

Description

General part information

LT3502LT3502A Series

The LT3502/LT3502A are current mode PWM step-down DC/DC converters with an internal 500mA power switch, in tiny 8-lead 2mm × 2mm DFN and 10-lead MS10 packages. The wide input voltage range of 3V to 40V makes the LT3502/LT3502A suitable for regulating power from a wide variety of sources, including 24V industrial supplies and automotive batteries. Its high operating frequency allows the use of tiny, low cost inductors and capacitors, resulting in a very small solution. Constant frequency above the AM band avoids interfering with radio reception, making the LT3502A particularly suitable for automotive applications.Cycle-by-cycle current limit and frequency foldback provide protection against shorted outputs. Soft-start and frequency foldback eliminates input current surge during start-up. DA current sense provides further protection in fault conditions. An internal boost diode reduces component count.ApplicationsAutomotive SystemsBattery-Powered EquipmentWall Transformer RegulationDistributed Supply Regulation

Technical Specifications

Parameters and characteristics for this part

Specification	LT3502AEMS#PBF

Current - Output	500 mA
Frequency - Switching	2.25 MHz
Function	Step-Down
Mounting Type	Surface Mount
Number of Outputs	1
Operating Temperature (Max)	125 °C
Operating Temperature (Min)	-40 °C
Output Configuration	Positive
Output Type	Adjustable
Package Length	0.118 in
Package Name	10-MSOP, 10-TFSOP
Package Width	3 mm
Synchronous Rectifier	No
Topology	Buck
Voltage - Input (Max)	40 V
Voltage - Input (Min)	3 V
Voltage - Output (Max)	32 V
Voltage - Output (Min/Fixed)	0.8 V

LT3502LT3502A Series

Part	Frequency - Switching	Voltage - Input (Min)	Package / Case	Voltage - Output (Min/Fixed)	Function	Voltage - Output (Max)	Voltage - Input (Max)	Output Configuration	Mounting Type	Topology	Number of Outputs	Current - Output	Package Length	Package Name	Package Width	Operating Temperature (Max)	Operating Temperature (Min)	Synchronous Rectifier	Output Type
Analog Devices Inc./Maxim Integrated LT3502AIDC#TRMPBF	2.25 MHz	3 V	8-WFDFN Exposed Pad	0.8 V	Step-Down	32 V	40 V	Positive	Surface Mount	Buck	1	500 mA	2 mm	8-DFN	2 mm	125 °C	-40 °C	No	Adjustable
Analog Devices Inc./Maxim Integrated LT3502IMS#TRPBF	1.1 MHz	3 V		0.8 V	Step-Down	36 V	40 V	Positive	Surface Mount	Buck	1	500 mA	0.118 in	10-MSOP 10-TFSOP	3 mm	125 °C	-40 °C	No	Adjustable
Analog Devices Inc./Maxim Integrated LT3502IMS#PBF	1.1 MHz	3 V		0.8 V	Step-Down	36 V	40 V	Positive	Surface Mount	Buck	1	500 mA	0.118 in	10-MSOP 10-TFSOP	3 mm	125 °C	-40 °C	No	Adjustable
Analog Devices Inc./Maxim Integrated LT3502EMS#TRPBF	1.1 MHz	3 V		0.8 V	Step-Down	36 V	40 V	Positive	Surface Mount	Buck	1	500 mA	0.118 in	10-MSOP 10-TFSOP	3 mm	125 °C	-40 °C	No	Adjustable
Analog Devices Inc./Maxim Integrated LT3502AIDC#TRPBF	2.25 MHz	3 V	8-WFDFN Exposed Pad	0.8 V	Step-Down	32 V	40 V	Positive	Surface Mount	Buck	1	500 mA	2 mm	8-DFN	2 mm	125 °C	-40 °C	No	Adjustable
Analog Devices Inc./Maxim Integrated LT3502EMS#PBF	1.1 MHz	3 V		0.8 V	Step-Down	36 V	40 V	Positive	Surface Mount	Buck	1	500 mA	0.118 in	10-MSOP 10-TFSOP	3 mm	125 °C	-40 °C	No	Adjustable
Analog Devices Inc./Maxim Integrated LT3502AEDC#TRMPBF	2.25 MHz	3 V	8-WFDFN Exposed Pad	0.8 V	Step-Down	32 V	40 V	Positive	Surface Mount	Buck	1	500 mA	2 mm	8-DFN	2 mm	125 °C	-40 °C	No	Adjustable
Analog Devices Inc./Maxim Integrated LT3502AIMS#TRPBF	2.25 MHz	3 V		0.8 V	Step-Down	32 V	40 V	Positive	Surface Mount	Buck	1	500 mA	0.118 in	10-MSOP 10-TFSOP	3 mm	125 °C	-40 °C	No	Adjustable
Analog Devices Inc./Maxim Integrated LT3502AIMS#PBF	2.25 MHz	3 V		0.8 V	Step-Down	32 V	40 V	Positive	Surface Mount	Buck	1	500 mA	0.118 in	10-MSOP 10-TFSOP	3 mm	125 °C	-40 °C	No	Adjustable
Analog Devices Inc./Maxim Integrated LT3502IDC#TRMPBF	1.1 MHz	3 V	8-WFDFN Exposed Pad	0.8 V	Step-Down	36 V	40 V	Positive	Surface Mount	Buck	1	500 mA	2 mm	8-DFN	2 mm	125 °C	-40 °C	No	Adjustable

Pricing

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CAD

3D models and CAD resources for this part

Documents

Technical documentation and resources

R530 Reliability Data

LT3502AEMS#PBF | Datasheet