Endicott Research Group, Inc. 2601 Wayne St., Endicott NY 13760 607-754-9187 Fax 607-754-9255 http://www.ergpower.com DMA22570 Specifications and Applications Information 06/27/01 Two Tube DC to AC Inverter Preliminary The ERG DMA22570 (DMA Series) DC to AC inverter features onboard connectors and can be easily dimmed using an external pulsewidth modulated control signal. This unit is less than 13mm in height and the two mounting holes makes installation very straight forward. Powered by a regulated 12 volt DC source the DMA22570 is specially designed to power the Samsung LTM121SI-T01 backlight. DMA Package Package Configuration Product Features .880 [22,35] MAX Small Package Size, less than 13mm in height. High Efficiency u Made in U.S.A. 1 u .500 [12,70] .12 [2,9] 1 J3 Connectors J1 - (Input) MOLEX 532-61-0890 J2 4.28 [108,7] MAX J2,J3 - (Outputs) JST SM02(8.0)B-BHS-1-TB 3.375 [85,72] Pinouts J1-1 J1-2 J1-3 J1-4 J1-5 J1-6 J1-7 J1-8 Vin Vin GND GND Enable N/C N/C N/C J2-1 J2-2 .120 [3,05] Dia. (2x) ACout ACcom J1 .42[10,5] 1 J3-1 J3-2 ACout ACcom .50 [12,7] MAX Weight: 30 grams PCB components are shown for reference only. Actual product may differ from that shown. u DMA22570 Absolute Maximum R atings (Note 1) R ating Symbol Value U nits Vin -0.3 to +15 VDC VEnable -0.3 to +15 VDC Operati ng Temperature Ta 0 to +85 o C Storage Temperature Ts -40 to +85 o C Input Voltage Enable R ecommended Operating C onditions R ating Input Voltage Operati ng Temperature (Note 2) Symbol Value U nits Vin 10.8 to 13.2 VDC Ta 0 to +50 o C Electrical C haracteristics Unless otherwi se noted Vi n = 12.00 Volts D C , Ta = 25 oC and uni t has been runni ng for 15 mi nutes. C haracteristic Symbol Min Typ Max U nits Input C urrent I in - 0.590 0.700 ADC Input Ri pple C urrent I rip - - - mA pk-pk Operati ng Frequency Fo 32 37 42 KHz Effi ci ency - 90 - % Vstart 1500 - - V Output Voltage (wi th lamp) Vout - 550 - V Output C urrent (per tube) I out - 6.0 - mArms Turn-Off Threshold Vthoff - - 0.7 V Turn-On Threshold Vthon 2.0 - - V Inverter Output Voltage (no load) (Note 3) Enable (pi n J1-5) (Note 1) Reliable and predictable operation of the device are not guaranteed with applied stresses at or beyond those listed in "Absolute Maximum Ratings". Operation at these limits may reduce device reliability and is therefore not recommended. Please refer to "Recommended Operating Conditions" for reliable operation of the device. (Note 2) Operation above 50oC is possible if airflow is provided. (Note 3) Provided data is not tested but guaranteed by design.