LM3402 Datasheet (National Semiconductor) - 0.5A Constant Current Buck Regulator

LM3402, 0.5A Constant Current Buck Regulator

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

LM3402 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