LM3406HV - 1.5A Constant Current Buck Regulator

National Semiconductor (now Texas Instruments)

Download the LM3406HV datasheet PDF. This datasheet also covers the LM3406 variant, as both devices belong to the same 1.5a constant current buck regulator family and are provided as variant models within a single manufacturer datasheet.

📥 Download Datasheet

LM3406HV 1.5a constant current buck regulator by National Semiconductor (now Texas Instruments) - Datasheet Preview — Note: The manufacturer provides a single datasheet file (LM3406_NationalSemiconductor.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number	LM3406HV
Manufacturer	National Semiconductor (now Texas Instruments)
File Size	542.44 KB
Description	1.5A Constant Current Buck Regulator
Datasheet	LM3406HV Datasheet

General Description

The LM3406/06HV 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 N-channel MOSFET switch with a current limit of 2.0A (typical) for step-down (Buck) regulators.

Overview

LM3406/06HV 1.5A Constant Current Buck Regulator for Driving High Power LEDs LM3406/06HV February 8, 2010 1.

Key Features

Integrated 2.0A MOSFET.
VIN Range 6V to 42V (LM3406).
VIN Range 6V to 75V (LM3406HV).
True average output current control.
1.7A Minimum Output Current Limit Over Temperature.
Cycle-by-Cycle Current Limit.
PWM Dimming with Dedicated Logic Input.
PWM Dimming with Power Input Voltage.
Simple Control Loop Compensation.
Low Power Shutdown.
Supports All-Ceramic Output Capacitors and Capacitor- less Outputs.
Thermal Shutdown Protection.

📁 Similar Datasheet

Part Number	Description	Manufacturer
LM3406HV	1.5-A Constant Current Buck Regulator	Texas Instruments
LM3406HV-Q1	1.5-A Constant Current Buck Regulator	Texas Instruments
LM3406	1.5-A Constant Current Buck Regulator	Texas Instruments

More Datasheets from National Semiconductor (now Texas Instruments)

Part Number	Description
LM3406	1.5A Constant Current Buck Regulator
LM340	3-Terminal Positive Regulators
LM3401	Quad Amplifiers
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LM3404	1.0A Constant Current Buck Regulator
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