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LM3406

National Semiconductor
Part Number LM3406
Manufacturer National Semiconductor
Description 1.5A Constant Current Buck Regulator
Published Oct 1, 2019
Detailed Description LM3406/06HV 1.5A Constant Current Buck Regulator for Driving High Power LEDs LM3406/06HV February 8, 2010 1.5A Consta...
Datasheet PDF File LM3406 PDF File

LM3406
LM3406

Overview
LM3406/06HV 1.
5A Constant Current Buck Regulator for Driving High Power LEDs LM3406/06HV February 8, 2010 1.
5A Constant Current Buck Regulator for Driving High Power LEDs 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.
Controlled on-time with true average current and an external current sense resistor allow the converter output voltage to adjust as needed to deliver a constant current to series and series-parallel connected LED arrays of varying number and type.
LED dimming via pulse width modulation (PWM) is achieved using a dedicated logic pin or by PWM of the power input voltage.
The product feature set is rounded out with lowpower shutdown and thermal shutdown protection.
Features ■ Integrated 2.
0A MOSFET ■ VI...


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