LT3502IMS#PBF

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Analog Devices

CONV DC-DC 3V TO 40V STEP DOWN SINGLE-OUT 0.8V TO 36V 0.5A 10-PIN MSOP TUBE

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LT3502IMS#PBF

Active

Analog Devices

CONV DC-DC 3V TO 40V STEP DOWN SINGLE-OUT 0.8V TO 36V 0.5A 10-PIN MSOP TUBE

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DocumentsR530 Reliability Data Datasheet

Specifications Pricing Series Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	LT3502IMS#PBF

Current - Output	500 mA
Frequency - Switching	1.1 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 / Case	10-MSOP, 10-TFSOP
Package / Case [x]	3 mm
Package / Case [x]	0.118 in
Supplier Device Package	10-MSOP
Synchronous Rectifier	False
Topology	Buck
Voltage - Input (Min) [Min]	3 V
Voltage - Output (Max)	36 V
Voltage - Output (Min/Fixed)	0.8 V

LT3502LT3502A Series

1.1MHz/2.2MHz, 500mA Step-Down Regulators in 2mm × 2mm DFN and MS10

Part	Voltage - Input (Min) [Min]	Voltage - Output (Max)	Number of Outputs	Function	Mounting Type	Topology	Current - Output	Output Type	Supplier Device Package	Voltage - Output (Min/Fixed)	Output Configuration	Frequency - Switching	Package / Case	Package / Case [x]	Package / Case [x]	Operating Temperature [Min]	Operating Temperature [Max]	Voltage - Output (Max) [Max]
Analog Devices LT3502IMS#PBF	3 V	36 V	1	Step-Down	Surface Mount	Buck	500 mA	Adjustable	10-MSOP	0.8 V	Positive	1.1 MHz	10-MSOP 10-TFSOP	3 mm	0.118 in	-40 °C	125 ¯C
Analog Devices LT3502AIDC#TRPBF	3 V		1	Step-Down	Surface Mount	Buck	500 mA	Adjustable	8-DFN (2x2)	0.8 V	Positive	2.25 MHz	8-WFDFN Exposed Pad			-40 °C	125 ¯C	32 V
Analog Devices LT3502EDC#TRPBF	3 V	36 V	1	Step-Down	Surface Mount	Buck	500 mA	Adjustable	8-DFN (2x2)	0.8 V	Positive	1.1 MHz	8-WFDFN Exposed Pad			-40 °C	125 ¯C
Analog Devices LT3502IDC#TRPBF	3 V	36 V	1	Step-Down	Surface Mount	Buck	500 mA	Adjustable	8-DFN (2x2)	0.8 V	Positive	1.1 MHz	8-WFDFN Exposed Pad			-40 °C	125 ¯C

Pricing

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

Distributor	Package	Quantity	$

Digikey	Tube	1	$ 8.91
		10	$ 6.15
		25	$ 5.43
		100	$ 4.64
		250	$ 4.25
		500	$ 4.01
		1000	$ 3.82
		2500	$ 3.70

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