dc-ac inverter unit PS-DA0253-240-B(s) (9 w dual outputs) power systems C the power solution web: www.power-systems.de address: hauptstr. 48 ; 743 60 ilsfeld-auenstein / germany email: info@power-systems.de tel. : + 49 / 70 62 / 67 59 - 6 fax: + 49 / 70 62 / 67 59 - 800 all specifications are subject to change without notice . page (1) version 1.0, 30th june 2008 (preliminary information) description : this dc to ac inverter was developed for many other low lcd backlight power supply as low profile applic ations, either for lcd monitor or industrial pc. optimized for sharp: lq121k1lg11 applicable lcd: 10 to 15 inches dual lamp type lamp voltage 660 vrms lamp current 2 x 6.5 marms lamp start up voltage 1.700 vrms (vin : 12 vdc) features : current feedback circuit high efficiency low noise with voltage resonant circuit regulated output current rohs compliant (s) temperature & humidity : operating temperature range -10 c ~ +50 c storage temperature range -20 c ~ +85 c humidity 95 %rh max dimensions : l x b x h 153 x 22 x 10 mm unit : mm weight :40 (g) typ. note: please use plastic screw in case of a non-ins ulating mounting base! pin1 pin1 pin1 components no. part description qty. material note 1 pcb 1 ul94v-0 (fr-4 or cem-3) t=1.6m m 2 connector cn1 1 53261-0790 molex or equal 3 connector cn2 ~ cn3 2 sm02(8.0)b-bhs-1-tb jst or equa l input side cn1: pin no. symbols ratings cn 1-1+2 vin 10.8 ~ 13.2 vdc cn 1-3+4 gnd cn 1-5 vrm t 0 ~ 0.4 = off / 2.5 ~ vin = on cn 1-6 vbr 0 ~ 1.8 vdc cn 1-7 vbr 0 ~ 10kohm output side cn2 ~ cn3: pin no. symbols ratings cn 2-1 vhigh 660 vrm s (6.5 m arm s ) cn 2-2 n.c. - cn 2-3 vlow (gnd)
dc-ac inverter unit PS-DA0253-240-B(s) (9 w dual outputs) power systems C the power solution web: www.power-systems.de address: hauptstr. 48 ; 743 60 ilsfeld-auenstein / germany email: info@power-systems.de tel. : + 49 / 70 62 / 67 59 - 6 fax: + 49 / 70 62 / 67 59 - 800 all specifications are subject to change without notice . page (2) version 1.0, 30th june 2008 (preliminary information) electrical characteristics : test circuit : note 1 : please keep minimum of 2mm clearance (all di rections) between inverter high voltage area as mar ked on mechanical drawing and any conductors. sw 1 ab operation of unit operation non operation rbr 0 ~ 10 kohm dimming b vbr 0 ~ 1.8 vdc dimming c operation of unit sw2 vin (v) vbr (v) tu (c) min. typ. max. output current iout 121.2 0.0 0 ~ +50 6.0 6.5 7.0 m arm s dut y 10 0 % output current iout 120.6 1.8 0 ~ +50 1.3 2.0 2.7 m arm s input current iin 121.2 0.0 0 ~ +50 - 0.75 1.0 adc frequency f 121.2 0.0 0 ~ +50 32.5 40 47.5 khz open circuit voltage vopen 11.4 0.0 0 ~ +50 1.500 1.700 1.900 vrm s no load shutdow n ts d 121.2 0.0 0 ~ +50 1.0 - - s ec wit ho ut lo ad unit note parameters symbols conditions specification a v 1000:1 probe v ~ vin 10.8 ~ 13.2 v iin vopen f cn1-1 cn1-2 cn2-1 cn3-1 f cn2-3 t1 cn1-4 cn1-3 cn3-2 a ~ rl1 iout 1 sw3 sw4 cl1 a ~ rl1 iout 2 sw5 sw6 cl1 cn1-5 v a b sw1 vrmt 0 / 5 vdc cn1-6 vbr 0 ~ 1.8 vdc cn1-7 v cn2-2 cn3-2 n.c. n.c. c d sw2 rbr 0 ~ 10 kohm
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