8m122477 Endicott Research Group, Inc. 2601 Wayne St., Endicott NY 13760 607-754-9187 Fax 607-754-9255 http://www.ergpower.com Specifications and Applications Information Dimming Option 11/21/00 8m122477 8m Class DC to AC Inverter Preliminary (Valid with the "C" jumper removed) The ERG 8m122477 (8m Class) low profile dc to ac inverter is specifically designed to power the LG LC064N1 LCD display module to a moderate brightness level from a +12 volt dc source. 5% - 100% This low profile inverter features: +Vin 0 approx. 5 ms* * should be selected to be compatible with LCD and display driver + Vin - 5 (1) 1,2 Pulse-Width Modulated Controlled u u u u u u u u u 3,4,8 Note 1 Input by-pass capacitor (25 uf - 100uf) may be required to reduce reflected ripple. 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 8m Package Package Configuration 8 1 Input .71[18,0] 3.93 [99,8] 2.645 [67,18] Pin Descriptions Input Connector Molex 53261-0890 Con1-1 Vin(+) Con1-2 Vin(+) Con1-3 GND Con1-4 GND Con1-5 Control Con1-6 NC Con1-7 NC Con1-8 GND Endicott Research Group, Inc. 2601 Wayne St., Endicott NY 13760 607-754-9187 page 4. Output Connector JST SM02(8.0)B-BHS-1-TB Con2-1 ACout Con2-2 NC Con2-3 ACout .120[3,05] Dia.(2x) Output .450[11,43] 1 .18[4,6] .79[20,1] 8m122477 Absolute Maximum Ratings Units Input Voltage Range Vi n -0.3 to +13.2 V dc Operating Temperature To 0 to +70 o Tstg -40 to +85 o Storage Temperature 16% Input Voltage Symbol Value Vi n 10% C C 8% 6% 4% 2% 6.00 V dc Efficiency Symbol Min Typ Max Units Iin - .20 .23 A dc Fo 33 38 43 KHz Vout (min) 12 0 0 - - Vrms - 74 - % Output Current per tube Iout - 5 - marms Output Voltage (When powering a Load simulating the referenced display.) Vout - 3 55 - Vrms - - 3 - madc Pin5 Input Current Requirement After tube has been allowed to warm-up for 5 minutes External Disable Circuit shown on page 3. Input Power (Watts) 3.0 Minimum Output Voltage 20% 8.00 10.00 12.00 6.00 14.00 8.00 Input Power vs.Input Voltage 12.00 14.00 Input Current vs.Input Voltage 0.22 0.20 2.5 2.0 1.5 1.0 0.5 0.18 0.16 0.14 0.12 0.10 0.08 0.06 0.0 6.00 10.00 Input Voltage (Vdc) Input Voltage (Vdc) Unless otherwise noted Vin = 12.00 Volts dc and Ta = 25 oC Operating Frequency 60% 40% -2% 3.5 Input Current 80% 0% Electrical Characteristics Characteristic Relative Brightness vs.Input Voltage 100% 12% Units +6 to 13.2 120% 14% Recommended Operating Conditions Rating Relative Frequency vs.Input Voltage Relative Brightness Value Input Current (Adc) Symbol Relative Frequency Rating 8m122477 Typical Performance Curves 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 Disable Circuit 3.3 K 2N3906 Specifications subject to change without notice. 2.2 K Control 1K Control (pin 5) 2N3904 1N4148 Valid with the "C" jumper removed Endicott Research Group, Inc. Made in USA page 2. Endicott Research Group, Inc. page 3.