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| 8m052377 5% - 100% +Vin 0 approx. 5 ms* (valid when the "C" jumper is removed) 3 Dimming Options Endicott Research Group, Inc. 2601 Wayne St., Endicott NY 13760 607-754-9187 Fax 607-754-9255 http://www.ergpower.com 8m052377 DC to AC Inverter * should be selected to be compatible with LCD and display driver + Vin - (1) 1 2 3 Pulse-Width Modulated Controlled Specifications and Applications Information 5/3/00 Preliminary 8m Class +Vin The ERG 8m052377 (8m Class) low profile dc to ac inverter is specifically designed to power the Hitachi SX21V001-Z4A LCD display module to a moderate brightness level from a +5 volt dc source. 100 Kohms* 8m Package Package Configuration 1234 Input This low profile inverter features: 1 2 3 * value should be low enough to maintain minimum tube current at minimum brightness + Vin - (1) Resistive Controlled u u u u u u u u u Vmin* to +Vin 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 .55[14,0] c .120[3,05] Dia.(2x) 2.35[59,7] 3.58[90,9] * Vmin should be high enough to maintain minimum tube current + Vin - (1) 1 2 3 Voltage Controlled Pin Descriptions Input Connector 4 pins are 0.315" [8,00] Long, 0.025" [0,63] Square and are on 0.100" [2,54] Centers. Output Connector JST SM02B-BHSS-1-TB .50[12,7] 1 Output .043[1,09] .55[14,0] .12[3,05] .79[20,1] Note 1 Input by-pass capacitor (25 uf - 100uf) may be required to reduce reflected ripple. Endicott Research Group, Inc. 2601 Wayne St., Endicott NY 13760 607-754-9187 Con1-1 Vin(+) Con1-2 GND Con1-3 Control * Con1-4 NC * Valid when the "C" jumper is removed. page 4. Con2-1 ACcommon Con2-2 ACout 8m052377 Absolute Maximum Ratings Rating Input Voltage Range Operating Temperature Storage Temperature Symbol Vi n To Tstg Value -0.3 to +6 -0 to +70 -40 to +85 Units Relative Frequency 20% 15% 10% 5% 0% -5% Typical Performance Curves Relative Frequency vs.Input Voltage 160% 140% 8m052377 Relative Brightness vs.Input Voltage o o C C Relative Brightness V dc 120% 100% 80% 60% 40% Recommended Operating Conditions Rating Input Voltage Symbol Vi n Value +2.5 to 5.5 Units V dc -10% 1.00 2.00 3.00 4.00 5.00 6.00 7.00 1.00 2.00 3.00 4.00 5.00 6.00 7.00 Input Voltage (Vdc) Input Voltage (Vdc) Electrical Characteristics Unless otherwise noted Vin = 5.00 Volts dc and Ta = 25 oC 3.0 2.5 Input Power vs.Input Voltage 0.45 0.40 Input Current vs.Input Voltage Characteristic Input Current Operating Frequency Minimum Output Voltage Efficiency Output Current Output Voltage (When powering a load simulating the referenced display.) Pin3 Input Current Requirement Symbol Iin Fo Vout (min) Iout Vout - Min 24 140 0 - Typ .28 28 71 1.9 5 20 9 Max .33 32 - Units A dc KHz Vrms % marms Vrms Input Power (Watts) Input Current (Adc) 2.0 1.5 1.0 0.5 0.0 1.00 2.00 3.00 4.00 5.00 6.00 7.00 0.35 0.30 0.25 0.20 0.15 0.10 1.00 2.00 3.00 Input Voltage (Vdc) Input Voltage (Vdc) 4.00 5.00 6.00 7.00 +Vin 5V 3.3 K madc Disable Circuit 1.5 K Control 1K 2N3904 2N3906 Control (pin 3) 1N4148 Valid with the "C" jumper removed After tube has been allowed to warm-up for 5 minutes External Disable Circuit shown on page 3. Specifications subject to change without notice. Endicott Research Group, Inc. Made in USA page 2. Endicott Research Group, Inc. page 3. |
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