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LM3404

National Semiconductor
Part Number LM3404
Manufacturer National Semiconductor
Description 1.0A Constant Current Buck Regulator
Published Nov 15, 2006
Detailed Description www.DataSheet4U.com LM3404/04HV 1.0A Constant Current Buck Regulator for Driving High Power LEDs ADVANCE INFORMATION O...
Datasheet PDF File LM3404 PDF File

LM3404
LM3404

Overview
www.
DataSheet4U.
com LM3404/04HV 1.
0A Constant Current Buck Regulator for Driving High Power LEDs ADVANCE INFORMATION October 2006 LM3404/04HV 1.
0A Constant Current Buck Regulator for Driving High Power LEDs General Description The LM3404/04HV 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 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 series-parallel connected LED arrays of varying number and type.
Output current dimming via PWM, broken/open LED protection, low-power shutdown and thermal shutdown complete the feature set.
Features Integrated 1.
2A NFET VIN Range 6V to 42V (LM3404) VIN Range 6V to 75V (LM3404HV) 1.
2A Output ...


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