8m122470 Endicott Research Group, Inc. 3 Dimming Options 2601 Wayne St., Endicott NY 13760 607-754-9187 Fax 607-754-9255 http://www.ergpower.com 5% - 100% +Vin 0 approx. 5 ms* * should be selected to be compatible with LCD and display driver + 3 Vin Pulse-Width Modulated Controlled 100 Kohms* + Preliminary (1) This low profile inverter features: 1 3 Resistive Controlled Vin 2 - u u u u u u u u u + (1) 1 3 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 Input Connector 2 None 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 8m Package Package Configuration 1234 Input .55[14,0] 2.35[59,7] 3.58[90,9] Pin Descriptions Voltage Controlled Vin - DC to AC Inverter The ERG 8m122470 (8m Class) low profile dc to ac inverter is specifically designed to power the Unipac 6.1" LCD display module to a moderate brightness level from a +12 volt dc source. Vmin* to +Vin * Vmin should be high enough to maintain minimum tube current 12/12/00 8m Class 2 - +Vin * value should be low enough to maintain minimum tube current at minimum brightness 1 (1) Specifications and Applications Information 8m122470 Vin(+) GND Control NC Output Connector JST SM02(8.0)B-BHS-1-TB Con2-1 ACcommon Con2-2 NC Con2-3 ACout .120[3,05] Dia.(2x) Output .55[14,0] 1 .12[3,05] .79[20,1] page 4. 8m122470 Absolute Maximum Ratings 8% Units Input Voltage Range Vi n -0.3 to +13.2 Operating Temperature To -30 to +70 o Tstg -40 to +85 o Storage Temperature C C Recommended Operating Conditions Rating Input Voltage Symbol Value Vi n 3.5 Max Units Input Current Iin - .21 .25 A dc Operating Frequency Fo 26 31 36 KHz Vout (min) 140 0 - - Vrms - 73 - % Output Current Iout - 5 - marms Output Voltage (When powering a load simulating the referenced display) Vout - 3 70 - Vrms - - 5.5 - madc Input Power (Watts) Typ After tube has been allowed to warm-up for 5 minutes External Disable Circuit shown on page 3. 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 0.24 0.22 2.5 2.0 1.5 0.20 0.18 0.16 0.14 1.0 0.12 0.5 6.00 10.00 Input Voltage (Vdc) 3.0 Min Pin3 Input Current Requirement 60% 40% V dc Symbol Efficiency 0% 80% Input Voltage (Vdc) Unless otherwise noted Vin = 12.00 Volts dc and Ta = 25 oC Minimum Output Voltage 2% 6.00 Electrical Characteristics Characteristic 100% 4% -2% Units +8 to 12.6 120% 6% V dc Relative Brightness vs.Input Voltage 140% Relative Brightness Value Relative Frequency vs.Input Voltage Input Current (Adc) Symbol Relative Frequency Rating 8m122470 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 3) 2N3904 1N4148 Endicott Research Group, Inc. Made in USA page 2. Endicott Research Group, Inc. page 3.