LM3402 0.5A Constant Current Buck Regulator

National Semiconductor

Description

www.DataSheet4U.com LM3402/LM3402HV 0.5A Constant Current Buck Regulator for Driving High Power LEDs October 2006 LM3402/LM3402HV 0.5A Constant Cur.
The LM3402/02HV are monolithic switching regulators designed to deliver constant currents to high power LEDs.

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Datasheet Specifications

Part number: LM3402
Manufacturer: National Semiconductor
File Size: 1.01 MB
Datasheet: LM3402_NationalSemiconductor.pdf
Description: 0.5A Constant Current Buck Regulator

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 capa

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

LM3402 Distributors

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LM3402 0.5A Constant Current Buck Regulator National Semiconductor

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