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LM3402HV - 0.5A Constant Current Buck Regulator

Download the LM3402HV datasheet PDF. This datasheet also covers the LM3402 variant, as both devices belong to the same 0.5a constant current buck regulator family and are provided as variant models within a single manufacturer datasheet.

General Description

The LM3402/02HV are monolithic switching regulators designed to deliver constant currents to high power LEDs.

Key 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.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (LM3402_NationalSemiconductor.pdf) that lists specifications for multiple related part numbers.

📁 Similar Datasheet

Part Number Description Manufacturer
LM3402HV 0.5-A Constant Current Buck Regulator Texas Instruments
LM3402 0.5-A Constant Current Buck Regulator Texas Instruments
LM340 Three Terminal Positive Voltage Regulators Motorola Inc
LM340 THREE TERMINAL POSITIVE FIXED VOLTAGE REGULATORS ON Semiconductor
LM340 1.5-A Fixed Voltage Regulators Texas Instruments

Other Datasheets by National Semiconductor (now Texas Instruments)

Part Number Description
LM3402 0.5A Constant Current Buck Regulator
LM340 3-Terminal Positive Regulators
LM3401 Quad Amplifiers
LM3403 Quad Operational Amplifiers
LM3404 1.0A Constant Current Buck Regulator

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
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.