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LM3404 1-A Constant Current Buck LED Driver

LM3404 Description

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LM3404, LM3404HV SNVS465G * OCTOBER 2006 * R.
The LM3404 and LM3404HV devices are monolithic switching regulators designed to deliver constant currents to high power LEDs.

LM3404 Features

* 1 Integrated 1-A MOSFET
* VIN Range 6 V to 42 V (LM3404)
* VIN Range 6 V to 75 V (LM3404HV)
* 1.2-A Output Current Overtemperature
* Cycle-by-Cycle Current Limit
* No Control Loop Compensation Required
* Separate PWM Dimming and Low Power Shut

LM3404 Applications

* these devices contain a high-side N-channel MOSFET switch with a current limit of 1.5-A (typical) for step-down (Buck) regulators. Hysteretic controlled on-time and an external resistor allow the converter output voltage to adjust as needed to deliver a constant current to series and series-paralle

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1-A Constant Current Buck LED Driver Texas Instruments
Texas Instruments LM3404-like datasheet