LM3404 Datasheet - National Semiconductor

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LM3404 1.0A Constant Current Buck Regulator

www.DataSheet4U.com LM3404/04HV 1.0A Constant Current Buck Regulator for Driving High Power LEDs ADVANCE INFORMATION October 2006 LM3404/04HV 1.0A .
The LM3404/04HV are monolithic switching regulators designed to deliver constant currents to high power LEDs.

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Datasheet Details

Part number:

LM3404

Manufacturer:

National Semiconductor

File Size:

474.30 KB

Description:

1.0A Constant Current Buck Regulator

Features

* Integrated 1.2A NFET VIN Range 6V to 42V (LM3404) VIN Range 6V to 75V (LM3404HV) 1.2A 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 n The

Applications

* they contain a high-side NFET switch with a minimum overtemperature current limit of 1.2A for step-down (Buck) regulators. Hysteretic control with controlled on-time coupled with an external resistor allow the converter output voltage to adjust as needed to deliver constant current to series and se

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LM3404 1.0A Constant Current Buck Regulator National Semiconductor

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