11.08.2010 eu_38_pd.doc 1 of 2 EU-38-PD technical data laser diode driver features ? supported laser diodes : n-type, m-tpye, p-type ? adjustable monitor current ? adjustable laser diode current ? laser diode output power independent from supply voltage specification ? dimension: 35 x 15 mm2 (+/- 0.5 mm) ? supply voltage: 4.0 - 5.0 vdc ? max laser diode current: 1 a p1: trim pot for laser diode current adjustment p2: trim pot for monitor current adjustment ? turn left = laser diode current increase ? turn right = laser diode current decrease ? turn left = monitor current increase ? turn right = monitor current decrease note: p1 and p2 are trim pots which can be turned clockwise and counterclockwise slowly to the end points. the trim pot can be damaged, if you keep on turning it at the end points ! laser diode anode (+) laser diode cathode (-) photodiode anode (+) photodiode cathode (-) u b (supply voltage +) gnd (supply voltage -) p1 p2 caution for high currents use a heat sink transistor gets hot
11.08.2010 eu_38_pd.doc 2 of 2 pin configuration n-type m-type p-type 1 3 2 ld pd 1 3 2 ld pd 2 1 3 ld pd
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