DC-AC INVERTER UNIT PS-DA0253-240-B(S) (9 W DUAL OUTPUTS) (PRELIMINARY INFORMATION) DESCRIPTION : This DC to AC Inverter was developed for many other low LCD Backlight power supply as low profile applications, 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 Storage Temperature Range Humidity DIMENSIONS : LxBxH -10°C ~ +50°C -20°C ~ +85°C 95 %RH max 153 x 22 x 10 mm Pin1 Pin1 Pin1 Unit : mm Weight :40 (g) typ. Note: Please use plastic screw in case of a non-insulating mounting base! Components No. 1 2 3 Part Description PCB Connector CN1 Connector CN2 ~ CN3 Qty. 1 1 2 Material UL94V-0 (FR-4 or CEM-3) 53261-0790 SM02(8.0)B-BHS-1-TB Input side CN1: Pin No. Symbols Ratings Vin 10.8 ~ 13.2 Vdc CN 1-1+2 GND CN 1-3+4 Vrm t 0 ~ 0.4 = OFF / 2.5 ~ Vin = ON CN 1-5 Vbr 0 ~ 1.8 Vdc CN 1-6 CN 1-7 Vbr Note t=1.6m m Molex or equal JST or equal Output side CN2 ~ CN3: Pin No. Symbols Ratings Vhigh 660 Vrm s (6.5 m Arm s ) CN 2-1 N.C. CN 2-2 Vlow (GND) CN 2-3 0 ~ 10kOhm Power Systems – The Power Solution Web: Email: www.Power-Systems.de [email protected] All specifications are subject to change without notice. Address: Hauptstr. 48 ; 74360 Ilsfeld-Auenstein / Germany Tel. : + 49 / 70 62 / 67 59 - 6 Fax: + 49 / 70 62 / 67 59 - 800 Page (1) Version 1.0, 30th June 2008 DC-AC INVERTER UNIT PS-DA0253-240-B(S) (9 W DUAL OUTPUTS) (PRELIMINARY INFORMATION) ELECTRICAL CHARACTERISTICS : Conditions Parameters Symbols Output Current Output Current Input Current Frequency Open Circuit Voltage No Load Shutdown Iout Iout Iin F Vopen Ts d Note 1 : Vin (V) Vbr (V) 12±1.2 12±0.6 12±1.2 12±1.2 11.4 12±1.2 0.0 1.8 0.0 0.0 0.0 0.0 Specification Tu (°C) Min. Typ. Max. 0 0 0 0 0 0 6.0 1.3 32.5 1.500 1.0 6.5 2.0 0.75 40 1.700 - 7.0 2.7 1.0 47.5 1.900 - ~ +50 ~ +50 ~ +50 ~ +50 ~ +50 ~ +50 Unit Note m Arm s m Arm s Adc kHz Vrm s s ec Dut y 100% wit hout load Please keep minimum of 2mm clearance (all directions) between inverter high voltage area as marked on mechanical drawing and any conductors. TEST CIRCUIT : F Vin 10.8 ~ 13.2 V Vopen V ~ SW3 Iin A 1000:1 PROBE F CN2-1 CN1-1 CN1-2 V CN1-3 CN1-4 Vrmt 0 / 5 Vdc CN2-2 b SW1 RL1 CL1 T1 A ~ a V N.C. CN2-3 CN1-5 Iout 1 SW4 SW5 CN3-1 c Vbr 0 ~ 1.8 Vdc V CN1-6 d Rbr 0 ~ 10 kOhm N.C. CN3-2 SW2 CL1 A ~ CN3-2 CN1-7 Operation of unit Operation c Vbr 0 ~ 1.8 Vdc dimming Non operation b Rbr 0 ~ 10 kOhm dimming Operation of unit a b Iout 2 SW6 SW2 SW 1 RL1 Power Systems – The Power Solution Web: Email: www.Power-Systems.de [email protected] All specifications are subject to change without notice. Address: Hauptstr. 48 ; 74360 Ilsfeld-Auenstein / Germany Tel. : + 49 / 70 62 / 67 59 - 6 Fax: + 49 / 70 62 / 67 59 - 800 Page (2) Version 1.0, 30th June 2008