Endicott Research Group, Inc. E1950 E1950 2601 Wayne St., Endicott NY 13760 607-754-9187 Fax 607-754-9255 IN TE NT IO NA LL Y Specifications and Applications Information 08/04/00 Preliminary The E1950 (E200II Series) dc to ac inverter is specifically designed to power the Sharp LQ10D421 LCD display to a moderate brightness level from a +12 volt dc source. E200 Package BL AN K The E1950's small size and encapsulated package makes it the ideal power source for applications where small size, high efficiency and reliability are critical. LE FT This inverter is designed to satisfy the most common cold-cathode lighting requirements for the Sharp LQ10D421 LCD display. Custom units, providing different inputs, outputs or package refinements are available. Package Configuration .15[3,8] Min 1.26[32,0] Max .60[15,24] Max .025[0,64] Square (5X) .700[17,78] PA GE .28[7,1] Connection Diagram 1.56 [39,7] Max 1.100 [27,94] TH IS E1950 + Vin - Endicott Research Group, Inc. 2601 Wayne St., Endicott NY 13760 607-754-9187 Two Tube DC to AC Inverter * 1 4 5 2 3 * Input bypass capacitor may be required (10uf - 100uf) Made in U.S.A. page 4. CCF Tubes .300[7,62] 2 1 3 5 4 .400[10,16] .22[5,6] 1. 2. 3. 4. 5. Vin(+) Vin(-) Common Vout(AC) Vout(AC) .800[20,32] E1950 Absolute Maximum Ratings Value Units Input Voltage Range Vin -0.3 to +13.5 V dc Operating Temperature To 0 to +70 o C Tstg -40 to +85 o C Storage Temperature Relative Frequency vs. Input Voltage Recommended Operating Conditions Rating Input Voltage Symbol Value Units Vin +6 to 13.2 V dc 36.0% 140% 30.0% 120% 24.0% 18.0% 12.0% 6.0% 0.0% -6.0% Electrical Characteristics 6 8 Unless otherwi se noted Vi n = 12.00 Volts dc and Ta = 25 C o Min Typ Max Units Input C urrent Ii n - 0.57 0.64 A dc Operating Frequency Fo 24 29 34 KHz Vout (min) 1220 - - Vrms - 88 - % Iout - 6.0 - marms Efficiency Output C urrent per tube Output Voltage (When Powering each tube in the Sharp LQ10D 421 display) Vout After tube has been allowed to warm-up for 5 minutes 12 14 80% 60% 40% 20% 0.75 16 2.75 - 500 - Vrms 6.75 8.75 Input Current vs. Input Voltage Input Power vs. Input Voltage 9.75 0.59 8.25 0.51 6.75 5.25 3.75 2.25 0.43 0.35 0.27 0.19 0.11 0.75 Specifications subject to change without notice 4.75 Input Power (Watts) Input Current (Adc) Symbol Minimum Output Voltage 10 100% Input Voltage (Vdc) Input Power (Watts) Characteristic Relative Brightness vs. Input Power Relative Brightness Symbol Relative Frequency Rating E1950 Typical Performance Curves 6 8 10 12 14 16 6 Input Voltage (Vdc) 8 10 12 14 16 Input Voltage (Vdc) Endicott Research Group, Inc. Endicott Research Group, Inc. page 2. page 3.