8m122439 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 8m122439 0 approx. 5 ms* * should be selected to be compatible with LCD and display driver + 1 (1) 3 Vin Pulse-Width Modulated Controlled + Preliminary 8/22/01 (1) This low profile inverter features: 1 3 Resistive Controlled Vin 2 - ! ! ! ! ! ! ! ! ! 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 .55 [14,0] Input c 2.35 [59,7] 3.58 [90,9] Pin Descriptions Voltage Controlled Vin - DC to AC Inverter The ERG 8m122439 (8m Class) low profile dc to ac inverter is specifically designed to power the Kyocera KHS072VG1MB-G90 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 8m Class 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. JST SM02(8.0)B-BHS-1-TB 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 Con2-2 Con2-3 Con2-4 ACout NC NC ACout .120 [3,05] DIA.(2X) Output .55 [14,0] 1 .12 [3,0] .79 [20,1] 8m122439 Relative Frequency vs.Input Voltage Absolute Maximum Ratings Rating Symbol Value Units 120% To V dc o 0 to +70 Tstg o -40 to +85 C C Relative Brightness Storage Temperature -0.3 to +13.2 Relative Frequency Operating Temperature Vi n Relative Brightness vs.Input Voltage 140% 10% 8% Input Voltage Range 8m122439 Typical Performance Curves 6% 4% 2% 100% 80% 60% 40% Recommended Operating Conditions Rating Input Voltage Symbol Value Vi n +6 to 13.2 20% 0% Units 6.00 8.00 10.00 12.00 6.00 14.00 V dc Input Current vs.Input Voltage 0.20 Min Typ Max Units Input Current Iin - .17 .20 A dc Operating Frequency Fo 27 32 37 KHz Vout (min) 1400 - - Vrms 0.5 - 74 - % 0.0 2.0 1.5 1.0 6.00 Output Current Iout - 4.2 - marms Output Voltage (When powering a load simulating the referenced display) Vout - 360 - Vrms Pin3 Input Current Requirement Input Current (Adc) Input Power (Watts) Symbol Efficiency 14.00 2.5 Unless otherwise noted Vin = 12.00 Volts dc and Ta = 25 oC Minimum Output Voltage 12.00 0.22 3.0 Electrical Characteristics 10.00 Input Voltage (Vdc) Input Power vs.Input Voltage Characteristic 8.00 Input Voltage (Vdc) 0.18 0.16 0.14 0.12 0.10 0.08 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 3.3 K - After tube has been allowed to warm-up for 5 minutes External Disable Circuit shown on page 3. - 5 - madc Disable Circuit 2N3906 2.2 K Specifications subject to change without notice. Control 1K 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.