76000696

bec http://www.bobbintron.com BOBBINTRON ELECTRICAL CORPORATION SPECIFICATION FOR REFERENCE REFERENCE SIGNATURE DATE : CUSTOMER : DIGI PART NO : DESCRIPTION : DC to DC 12Watt Converter PLEASE SIGN AND RETURN ONE COPY. ALL PRODUCTION UNITS WILL BE BUILT ACCORDING TO THIS SPECIFICATIONS. MODEL NO: EDD0121-12 AGENCY APPROVAL: UL/cUL PRESENTED BY: JACKY CHANG CHECKED BY: JOHNSON LIN APPROVED BY: MICHAEL CHEN Rev. A DATE : 1/27/2006 27F, NO.183, HSIN TAI WU ROAD SEC.1, HSIH-JR CITY, TAIPEI HSIEN, TAIWAN. TEL# (886)2-2642-4205 WEBSITE: www.bobbintron.com FAX# (886)2-2642-3654 EMAIL: sales@bobbintron.com bec http://www.bobbintron.com BOBBINTRON ELECTRICAL CORPORATION BOBBINTRON ELECTRICAL CORPORATION SWITCHING POWER SUPPLY SPECIFICATION MODEL: EDD0121-12 Rev. A ISSUED : 1/27/2006 1. Input 1.1 DC input voltage range : -36V ~ -72V 1.2 DC input voltage rating : -48V 1.3 DC input current : 2. Output characteristics: 2.1 Output voltage : 0.5A max at -48VDC +12V 2.2 Max. load current : 1A; 2A peak for 200mS 2.3 Min load current : 0A 2.4 Tolerance : ±5% 2.5 Output Ripple & Noise : Output Voltage 1% * Ripple & Noise test conditions : (1) Measured by-pass capacitors 0.1uF / 10uF at output connector terminal And oscilloscope set at 20 MHz. ( tested by oscilloscope ) 3. General characteristics : 3.1 Max. output power : 12 watts continuous. 3.2 Efficiency : 70% ( Minimum ) at Maximum load at -48VDC. 3.3 Turn no delay : 2 second max. at -48VDC bec http://www.bobbintron.com BOBBINTRON ELECTRICAL CORPORATION 3.4 Transient response : output return within ±10% tolerance of nominal voltage within 1m sec. for 50% load change, 120Hz 50% duty cycle. 3.5 Over voltage protection : 15V reference with output Zener Diode. 3.6 Short circuit protection : protection against short circuit for output 3.6.1 (1) Any protect condition shall cause no damage and no component fail. (2) Automatic recovery when removal of protect condition. 3.7 Temperature coefficient : 0.2% per ℃ maximum over entire operating temperature range 4. Environmental : 4.1 Operating temperature : 4.1.1 Derating Curve 0℃ to 40 ℃ bec http://www.bobbintron.com BOBBINTRON ELECTRICAL CORPORATION 4.2 Storage temperature : -20℃ to 80℃ 4.3 Operating relative humidity : 10% to 85% 4.4 Storage relative humidity : 5% to 95% 5. Safety requirement :(Meet) (1) UL 60950 (2) cUL / CSA 22.2, NO. 60950 6. EMI requirement : CISPR EN55022 class B rules. 7. Hi-pot test : 7.1 Primary to secondary : 2121VDC or 1500VAC for 1 sec. 10mA 9. Reliability 9.1 MTBF : 9.2 Vibration : 100K hours min. @ full load at 25℃ ambient temperature. Frequency range : 5-200Hz. Vibration amplitude 0.5g ±10% over entire frequency range. A complete sweep of the frequencies from 5-200Hz at 0.4 decades per mins. duration, if insufficient resonant point are established to provide for 30 minutes input per axis, then a constant acceleration continuous sweep at one octave per minute ( 0.3 decade / min. ) shall be applied for the duration. 9.3 Altitude : will operate properly at any altitude between 0 to 10000ft. bec http://www.bobbintron.com BOBBINTRON ELECTRICAL CORPORATION 10. Mechanical : 10.1 Dimensions(Ref.) : 74 mm long 49 mm width 40.5 mm height 10.2 Weight (Ref.) : TBA 10.3 Input connector : Molex 39-01-3028 5557 series or equivalent 10.3.1 Pin Out configuration : 10.5 Output connector : Location : 1. RTN 2. -48V Shogyo MP-121AR or equivalent 10.5.1 Pin Out configuration : Center positive bec http://www.bobbintron.com BOBBINTRON ELECTRICAL CORPORATION REVISION HISTORY Rev# -A Date Was Is 12/14/05 --- Draft version 1/27/06 --- Add derating curve in sec 4.1.1