Endicott Research Group, Inc. 2601 Wayne St., Endicott NY 13760 607-754-9187 Fax 607-754-9255 http://www.ergpower.com DMC42570 Specifications and Applications Information 12/20/01 Four Tube DC to AC Inverter Preliminary The ERG DMC42570 (DMC4 Series) DC to AC inverter features onboard connectors and can be easily dimmed using an external pulse-width 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 DMC42570 is specially designed to power the NEC NL12876BC26-21 backlights. DMC4 Package ! ! ! 1.08[27,4] MAX Small Package Size, less than 13mm in height. .730[18,54] .16[4,2] High Efficiency 1 1 a b Made in U.S.A. J3 Connectors J2a,J3a - (Outputs) N/A J1 - (Input) MOLEX 532-61-0890 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 J2a,J3a-1 J2a,J3a-2 N/A N/A 6.51[165,4] MAX J1 1 5.220 [132,50] J2b,J3b - (Outputs) JST SM04(4.0)B-BHS-1-TB J2b, J2b, J2b, J2b, J3b-1 J3b-2 J3b-3 J3b-4 ACout ACout N/C ACcom .120 [3,05] Dia. (2x) .64 [16,3] a 1 b 1 Mass: 64 grams J2 .53[13,5] MAX PCB components are shown for reference only. Actual product may differ from that shown. Package Configuration Product Features DMC42570 Absolute Maximum Ratings (Note 1) Rating Symbol Value Units Vin -0.3 to +13.2 VDC VEnable -0.3 to +13.2 VDC Operating Temperature Ta 0 to +70 o Storage Temperature Ts -40 to +85 o Input Voltage Enable C C Recommended Operating Conditions Rating Input Voltage Operating Temperature (Note 2) Symbol Value Units Vin +6 to 13.2 VDC Ta 0 to +50 o C Electrical Characteristics Unless otherwise noted Vin = 12.00 Volts DC , Ta = 25 oC and unit has been running for 15 minutes. Characteristic Symbol Min Typ Max Units Input Current I in - 1.7 2.0 ADC Input Ripple Current I rip - - - mA pk-pk Operating Frequency Fo 35 40 45 KHz Efficiency - 84 - % Vstart 1500 - - V Output Voltage (with lamp) Vout - 700 - V Output Current (per tube) I out - 6.1 - mArms Turn-Off Threshold Vthoff - - 0.7 V Turn-On Threshold Vthon 2.0 - - V Inverter Output Voltage (no load) (Note 3) Enable (pin 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.