LM3406 datasheet(5/38 Pages) TI1

Part #	LM3406

Description	Constant Current, Buck Regulator for Driving High Power LEDs

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Manufacturer	TI1 [Texas Instruments]

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LM3406, LM3406HV, LM3406HV-Q1

www.ti.com

SNVS512E – SEPTEMBER 2008 – REVISED MARCH 2014

ELECTRICAL CHARACTERISTICS LM3406/LM3406HV/LM3406HV-Q1 (continued)

VIN = 24V unless otherwise indicated. Unless otherwise specified, datasheet typicals and limits apply to LM3406, LM3406HV

and LM3406HV-Q1. Typicals and limits appearing in plain type apply for TA = TJ = +25°C

(1). Limits appearing in boldface

type apply over full Operating Temperature Range. Datasheet min/max specification limits are specified by design, test, or

statistical analysis.

Parameter

Test Conditions

Min

Typ

Max

Units

THERMAL RESISTANCE

θJA

Junction to Ambient

TSSOP-14 Package (3)

50

°C/W

(3)

θJA of 50°C/W with DAP soldered to a minimum of 2 square inches of 1-oz. copper on the top or bottom PCB layer.

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