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LM3402HV Datasheet

Part Number LM3402HV
Manufacturers National Semiconductor
Logo National Semiconductor
Description 0.5A Constant Current Buck Regulator
Datasheet LM3402HV DatasheetLM3402HV Datasheet (PDF)

www.DataSheet4U.com LM3402/LM3402HV 0.5A Constant Current Buck Regulator for Driving High Power LEDs October 2006 LM3402/LM3402HV 0.5A Constant Current Buck Regulator for Driving High Power LEDs General Description The LM3402/02HV 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 735 mA (typical) for step-down.

  LM3402HV   LM3402HV






Part Number LM3402HV
Manufacturers Texas Instruments
Logo Texas Instruments
Description 0.5-A Constant Current Buck Regulator
Datasheet LM3402HV DatasheetLM3402HV Datasheet (PDF)

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LM3402, LM3402HV SNVS450F – SEPTEMBER 2006 – REVISED OCTOBER 2015 LM3402/HV 0.5-A Constant Current Buck Regulator for Driving High Power LEDs 1 Features •1 Integrated 0.5-A N-channel MOSFET • VIN Range from 6 V to 42 V (LM3402) • VIN Range from 6 V to 75 V (LM3402HV) • 500 mA Output Current Over Temperature • Cycle-by-Cycle Current Limit • No Control Loop Compensation Required • Separate PWM Dimming and Lo.

  LM3402HV   LM3402HV







0.5A Constant Current Buck Regulator

www.DataSheet4U.com LM3402/LM3402HV 0.5A Constant Current Buck Regulator for Driving High Power LEDs October 2006 LM3402/LM3402HV 0.5A Constant Current Buck Regulator for Driving High Power LEDs General Description The LM3402/02HV 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 735 mA (typical) 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 a constant current to series and series - parallel connected arrays of LEDs of varying number and type, LED dimming by pulse width modulation (PWM), broken/open LED protection, low-power shutdown and thermal shutdown complete the feature set. Features Integrated 0.5A N-channel MOSFET VIN Range from 6V to 42V (LM3402) VIN Range from 6V to 75V (LM3402HV) 500 mA 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 Thermal shutdown protection n MSOP-8 Package n n n n n n n n Applications n n n n n LED Driver Constant Current Source Automotive Lighting General Illumination Industrial Lighting Typical Application 20192101 © 2006 National Semiconductor Corporation DS20192.


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