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Hi . Yes i have verified with a dummy load of leds that indeed the Voltage difference on an lm317 output changes with the input . for instance if you feed 7 volts in it and adjust you ma to 50 the output voltage is around 4 volts but as soon as you hook that same setup up 9 volts the output...

Hi Drew . Im the one who email you today and the one who was running a phr on an lm317 with 8 volts and decided to hook up a compact 9 volt batt and it shorted immediately . I guess the current was adjusted for 8 volts and it boosted the voltage or something . I am Sad as all get out . I need at...

Hi I need 3 please . i just fried mine and i am upset .. email is highhacker@hotmail