INVC544 This Inverter is designed and adjusted for cold fluorescent lamps used in SX21V001 Series and SX25S001 colour STN liquid crystal display modules. FEATURES ♦ High efficiency through the use of piezo transformer ♦ Very small, very thin and low power consumption design ♦ Suitable for low power consumption CFL from 0.6W to 2.0W ♦ External On/Off switching of backlight ♦ Dimmable from 100 down to 30 percent INPUT AND OUTPUT CONNECTORS GENERAL DATA Item Module Dimensions Weight Efficiency Mean Time Between Failure (MTBF) Value 70 x 18 x 6.5 7 max 80 min 60.000 min Unit mm g % hrs Input Connector MOLEX 53261-0690 Output Connector JST SM02B-BHSS-1 INPUT CONNECTOR PIN ASSIGNMENT ABSOLUTE MAXIMUM RATINGS Item Input Voltage Operating Temperature Storage Temperature Humidity Symbol VMAX TOP Condition - Min 5 Max 20 50 Unit V °C TST - -20 70 °C - - - 90 % RH Symbol VIN IIN Lamp Current Lamp Power Rush Current Frequency Dimming Range Startup Characteristics Condition Min Typ Max Unit 6 12.0 17.0 V 12V, 160 180 200 mA Duty 97% 12V 54 60 66 mA Duty 47% IL 12V, 2.7 3.0 3.3 mA Duty 97% 12V 1.1 1.3 1.5 Duty 47% PL 12V, 1.5 2.8 W IL =3mA 12V 2.5 A fL 12V, 50 60 70 kHz Duty 97% 12V, 100% T=25°C 30 The unit must start up at 5°C+/- 1°C, DC 6V MECHANICAL DIMENSIONS 70.0 ± 0.5 18.0 ± 0.3 1.8 MAX 1 4 . 3 3.5 6.5 MAX Pin No 1 2 3 Symbol VCC VCC PWM 4 5 6 ON/OFF GND GND Comment 6 - 17V 6 - 17V PWM Signal for Dimming Control (515 Hz, 3.3-5V, ON Duty 97%-40%) OFF at Open, ON at High (3.3V-5V) Ground Ground OUTPUT CONNECTOR PIN ASSIGNMENT ELECTRICAL CHARACTERISTICS Item Input Voltage Input Current Input Housing Connector Output Housing Connector - Pin No 1 2 Symbol CFL HV GND Comment High voltage output GND