ETU-103-04 LF 12 Watt P.O.E. Terminal DC/DC Converter 1. Features : 1.1. Wide Input Range 1.2. Input / Output Isolation： 500 Vdc 1.3. Net Weight ： 62 g 1.4. RoHS Converter Certified By SGS Typical 2. Input Specifications : 2.1. Input Voltage ： 35 ~ 57 Vdc 2.2. Max. Input Current ： 451 mA Max. 2.3. Switching Frequency ： 210 KHz Typ. 2.4. Input Efficiency ： 76 % Min. @ Vin = 35 Vdc and Full Load. @ Vin = 48 Vdc and 100% Load. ( 80 % Typical ) 3. Output Specification : 3.1. Output Voltage ： 12 Vdc 3.2. Output Voltage Accuracy ： ± 2 % Max. 3.3. Output Max. Current ： 1000 mA 3.4. Output Min. Current ： 100 mA 3.5. Ripple ： 100 mVp-p Max. @ 20 MHz Band-Width 3.6. Line Regulation ： 0.5 % Max. See Note (1). 3.7. Load Regulation ： 0.5 % Max. See Note (2). 3.8. Temperature Coefficient ： ± 0.02 % 11.76 ~ 12.24 Vdc ℃ Note : (1). Line Regulation : Set output load to full load, then adjust input voltage from 35 Vdc to 57 Vdc, The output voltage difference must be within 0.5 % of the output at full load and nominal input. (2). Load Regulation : Set input voltage at 48 Vdc, Then adjust the load from 100 mA to 1000 mA, The output voltage difference must be within 0.5 % of the output at full load and nominal input. 4. Output Protection : 4.1. Short Circuit Protection ： Indefinite * Continued short circuit will cause component damage ( Auto Recovery ) 5. General Specification : 5.1. Isolation Voltage ： 500 Vdc Min. Test duration 60 Seconds / 0.5 mA 5.2. Isolation Resistance ： 1000 MΩ Min. @ 500 Vdc 5.3. Isolation Capacitance ： 1000 pF Typ. 5.4. Operating Temperature ： -25℃ ~ +71℃ @Ambient Temperature 5.5. Operating Temperature ： -25℃ ~ +95℃ @ Case Surface Temperature 5.6. Storage Temperature ： -55℃ ~ +105℃ 5.7. Humidity ： Up to 90 % 5.8. Cooling ： Free air convection www.bothhandusa.com Page 1 of 2 ETU-103-04 LF -Spec-080408..doc 978-887-8050 [email protected] ETU-103-04 LF 12 Watt P.O.E. Terminal DC/DC Converter 6. Mechanical Dimension : Units : mm (inch) Tolerance : 0.xx ± 0.25 (0.xxx ± 0.01) 7. Pin Assignment : Pin LAN IN LAN Out Pin 1 Tx (+) Tx (+) 1 2 Tx (-) Tx (-) 2 3 Rx (+) Rx (+) 3 4 Vin+ N.C. 4 5 Vin+ N.C. 5 6 Rx (-) Rx (-) 6 7 Vin- GND 7 8 Vin- GND 8 DC Phone Jack O.D. x I.D. = 5.5 x 2.1 RJ-45 Pin Assignment www.bothhandusa.com ETU-103-04 LF -Spec-080408..doc 978-887-8050 [email protected] 2 of 2