LM3402 - 0.5-A Constant Current Buck Regulator

Product Overview

Texas Instruments

Datasheet Details

Part number	LM3402
Manufacturer	Texas Instruments
File Size	1.55 MB
Description	0.5-A Constant Current Buck Regulator
Datasheet	LM3402 Datasheet
Additional preview pages of the LM3402 datasheet.

Product details

Description

The LM3402/HV are monolithic switching regulators designed to deliver constant currents to high power LEDs.

Ideal for automotive, industrial, and general lighting applications, they contain a high-side Nchannel MOSFET switch with a current limit of 735 mA (typical) for step-down (Buck) regulators.

Features

1 Integrated 0.5-A N-channel MOSFET.
VIN Range from 6 V to 42 V (LM3402).
VIN Range from 6 V to 75 V (LM3402HV).
500 mA Output Current Over Temperature.
Cycle-by-Cycle Current Limit.
No Control Loop Compensation Required.
Separate PWM Dimming and Low Power Shutdown.
Supports All Ceramic-Output Capacitors and Capacitor-Less Outputs.
Thermal Shutdown Protection.
VSSOP, SO PowerPAD™ Packages 2.

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Published: Oct 1, 2019 |