8m122379 Endicott Research Group, Inc. 3 Dimming Options 2601 Wayne St., Endicott NY 13760 607-754-9187 Fax 607-754-9255 http://www.ergpower.com (valid when the "C" jumper is removed) 5% - 100% +Vin 8m122379 8m Class 0 approx. 1.5 ms* * should be selected to be compatible with LCD and display driver + 1 (1) 3 Vin Pulse-Width Modulated Controlled + (1) This low profile inverter features: 1 3 Resistive Controlled Vin 2 - u u u u u u u u u Vmin* to +Vin + (1) 1 3 8m Package Package Configuration Less Than 8 mm in Height LCD Module Specific Display Compatible Output Connector Firm Specifications Application Information Designed, Manufactured and Supported in the USA Custom Input and Output Voltages Flexible System Interface Notebook Display Head Compatible 1234 Input .55[14,0] c 2.35[59,7] 3.58[90,9] Pin Descriptions Voltage Controlled Vin - Preliminary 4/14/00 The ERG 8m122379 (8m Class) low profile dc to ac inverter is specifically designed to power the Sharp LM8V302 LCD display module to a moderate brightness level from a +12 volt dc source. 100 Kohms* * Vmin should be high enough to maintain minimum tube current DC to AC Inverter 2 - +Vin * value should be low enough to maintain minimum tube current at minimum brightness Specifications and Applications Information Input Connector Output Connector 4 pins are 0.315" [8,00] Long, 0.025" [0,63] Square and are on 0.100" [2,54] Centers. HONDA QZ-19-A3MYL 2 Note 1 Input by-pass capacitor (25 uf - 100uf) may be required to reduce reflected ripple. Con1-1 Con1-2 Con1-3 Con1-4 Endicott Research Group, Inc. 2601 Wayne St., Endicott NY 13760 607-754-9187 Vin(+) GND Control * NC * Valid when the "C" Jumper is removed page 4. Con2-1 ACout Con2-2 NC Con2-3 ACout .120[3,05] Dia.(2x) Output .55[14,0] 1 .12[3,05] .79[20,1] 8m122379 Absolute Maximum Ratings Relative Frequency vs.Input Voltage Units Input Voltage Range Vi n -0.3 to +13.2 V dc Operating Temperature To -0 to +70 o C Tstg -40 to +85 o C 10% 5% 0% Recommended Operating Conditions Rating Symbol Value Units Input Voltage Vi n +6 to 13.2 Minimum Output Voltage Efficiency Pin3 Input Current Requirement 8.00 10.00 12.00 14.00 Input Voltage (Vdc) Input Current vs.Input Voltage 0.35 0.30 Typ - .28 Max .32 Units A dc Input Power (Watts) Min 3.0 2.0 Fo 43 48 53 KHz Vout (min) 1200 - - Vrms 1.0 - 81 - % 0.0 Iout Output Voltage (When powering a load simulating the referenced display) 6.00 14.00 4.0 6.00 Output Current 12.00 Input Power vs.Input Voltage Iin Operating Frequency 10.00 5.0 Symbol 60% Input Voltage (Vdc) Unless otherwise noted Vin = 12.00 Volts dc and Ta = 25 oC Input Current 8.00 V dc Electrical Characteristics Characteristic 80% 20% -5% 6.00 100% 40% - 5.6 - marms Input Current (Adc) Storage Temperature 120% 15% Relative Brightness Value Relative Frequency Symbol Relative Brightness vs.Input Voltage 140% 20% Rating 8m122379 Typical Performance Curves 0.25 0.20 0.15 0.10 0.05 8.00 10.00 12.00 6.00 14.00 8.00 10.00 12.00 14.00 Input Voltage (Vdc) Input Voltage (Vdc) +Vin 12V Vout - 484 - Vrms 3.3 K - After tube has been allowed to warm-up for 5 minutes External Disable Circuit shown on page 3. - 8 - madc Disable Circuit 2N3906 2.2 K Specifications subject to change without notice. 1K Control Control (pin 3) 2N3904 1N4148 Valid with the "C" jumper removed Endicott Research Group, Inc. Made in USA page 2. Endicott Research Group, Inc. page 3.