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LM3414 Efficiency Test

Kai Hsiao
Guru 12675 points
Other Parts Discussed in Thread: LM3414

Dear Sir 

May I know how to measure LM3414 efficiency??

Please kindly help to support 

Thanks

  • 0
    TI__Mastermind 25500 points
    Put an ammeter in series with the power supply and another in series with the LED string. Then measure the input voltage directly at the board (after the ammeter) and the total LED string voltage (including the ammeter) directly at the board. Then it's just Pout/Pin.