0.5A Constant Current Buck Regulator For High Power LED Drivers

The LM3402 LM3402HV 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.
By National Semiconductor Corporation
Part Manufacturer Description Datasheet Samples
LM3402MR/NOPB Texas Instruments 0.5A Constant Current Buck Regulator for High Power LED Drivers 8-SO PowerPAD
LM3402MM Texas Instruments 0.5A Constant Current Buck Regulator for High Power LED Drivers 8-VSSOP -40 to 125
LM3402HVMM/NOPB Texas Instruments 0.5A Constant Current Buck Regulator for High Power LED Drivers 8-VSSOP -40 to 125
LM3402MMX/NOPB Texas Instruments 0.5A Constant Current Buck Regulator for High Power LED Drivers 8-VSSOP -40 to 125
LM3402HVMMX/NOPB Texas Instruments 0.5A Constant Current Buck Regulator for High Power LED Drivers 8-VSSOP -40 to 125
LM3402MMX Texas Instruments 0.5A Constant Current Buck Regulator for High Power LED Drivers 8-VSSOP -40 to 125
LM3402MM/NOPB Texas Instruments 0.5A Constant Current Buck Regulator for High Power LED Drivers 8-VSSOP -40 to 125
LM3402HVMRX/NOPB Texas Instruments 0.5A Constant Current Buck Regulator for High Power LED Drivers 8-SO PowerPAD
LM3402MRX/NOPB Texas Instruments 0.5A Constant Current Buck Regulator for High Power LED Drivers 8-SO PowerPAD
LM3402HVMR/NOPB Texas Instruments 0.5A Constant Current Buck Regulator for High Power LED Drivers 8-SO PowerPAD
LM3402 's PackagesLM3402 's pdf datasheet
LM3402HVMR PSOP
LM3402MR PSOP
LM3402HVMRX PSOP
LM3402MRX PSOP
LM3402MM SOIC
LM3402MMX SOIC




LM3402 Pinout, Pinouts
LM3402 pinout,Pin out
This is one package pinout of LM3402,If you need more pinouts please download LM3402's pdf datasheet.

LM3402 Application circuits
LM3402 circuits
This is one application circuit of LM3402,If you need more circuits,please download LM3402's pdf datasheet.


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