photovoltaic mosfet drivers semitronics CT222ADM semitronics , 64 commercial st. freeport, ny 11520 tel (516) 623 - 9400 / fax (516) 623 - 6954 pg. 1 of 1 dual mosfet driver active discharge pin connections description : the CT222ADM is an isolated dual photovoltaic mosfet driver used when a high degree of electrical isolation is required. the driver can isolate the mosfet from more sensitive control circuitry and enable the source and drain connections to reach any potential within the range of the isolation voltage. high photo efficiency produces fast turn on. a low off state impedance insures fast turn off and immunity from dv/dt when the mosfet is in the off state. the CT222ADM is packaged in an 8 pin hermetically sealed ceramic dip and is designed for high reliability applications. 7 6 ad 5 4 3 2 b_out+ b_out- a_out- a_out+ b_led- 1 b_led+ a_led- a_led+ CT222ADM ad 8 features active gate discharge circuitry optical isolation high isolation voltage dual independent channel s wide operating temperature range applications gate drive power mosfets solid state relays process controls switching power supplies dc motor control mechanical dimensions CT222ADM
photovoltaic mosfet drivers semitronics CT222ADM semitronics , 64 commercial st. freeport, ny 11520 tel (516) 623 - 9400 / fax (516) 623 - 6954 pg. 2 of 2 absolute maximum ratings (per chann el, tc= - 55c to +125c unless otherwise specified) parameter condition rating units led forward current steady state 50 ma led forward current peak, 10% duty cycle 75 ma led reverse voltage reverse current = - 10 a 5 v output voltage open circuit 18 v output current led current = 50 ma 75 a operating temperature - 55 to 125 c storage temperature - 55 to 150 c isolation voltage 1000 v electrical characteristics (per channel) parameter symbol test conditions min typ max units led current = 10 ma, vo = 0 v 10 15 led current = 20 ma, vo = 0 v 20 25 short circuit current i sc led current = 30 ma, vo = 0 v 30 40 m a led current = 10 ma 13.0 14.0 led current = 20 ma 13.5 14.5 open circuit voltage v oc led current = 30 ma 14.0 15.0 v led forward voltage v f(led) led current = 20 ma 1.3 1.5 v led reverse current i r(led) v r = - 5.0 v - 5.0 - 0.1 m a off state voltage v (off) led current = 0.0 ma, io = - 10 m a 0.65 0.85 v isolation voltage v (iso) 2500 v dc isolation voltage r (i so) v in to v out = 100v 100k m vout 14 12 0c 10 75c 8 -55c 50c -25c 125c 100c (volts) 25c 18 16
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