DC-AC INVERTER UNIT PS-DA0253-252-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. Optimized for Sharp: LQ121K1LG11 APPLICABLE LCD: 10 to 15 inches dual lamp type Lamp Voltage 515 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 -30°C ~ +80°C -30°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 Rbr 0 ~ 10kOhm CN 1-7 Note t=1.6m m Molex or equal JST or equal Output side CN2 ~ CN3 Pin No. Symbols Ratings Vhigh 515 Vrm s (6.5 m Arm s ) CN 2-1 N.C. CN 2-2 Vlow (GND) CN 2-3 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, 11th Septembert 2007 DC-AC INVERTER UNIT PS-DA0253-252-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) -30 -30 -30 -30 -30 -30 ~ +80 ~ +80 ~ +80 ~ +80 ~ +80 ~ +80 Min. Typ. Max. 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 - 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. Other dimming voltage (like 0 ~ 3 Vdc) are available. Please request factory. Note 2: DIMMING CHARACTERISTICS (Reference) 7,0 Iout (mArms) 6,0 5,0 4,0 3,0 2,0 1,0 0,0 0,0 0,4 0,7 1,1 1,4 1,8 Vbr (VDC) TEST CIRCUIT : F Vin 10.8 ~ 13.2 V Vopen 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 CN1-5 N.C. SW 1 Operation of unit a Operation b Non operation SW2 Operation of unit c Vbr 0 ~ 1.8 Vdc dimming d Rbr 0 ~ 10 kOhm dimming RL1 CL1 T1 A ~ a V V ~ CN2-2 Iout 1 SW4 SW5 CN3-1 c Vbr 0 ~ 1.8 Vdc CN1-6 V d Rbr 0 ~ 10 kOhm SW2 CN3-2 N.C. RL1 CL1 A ~ CN1-7 CN3-2 Iout 2 SW6 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, 11th Septembert 2007