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REM3-4805DW Datasheet(PDF) 3 Page - Recom International Power |
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REM3-4805DW Datasheet(HTML) 3 Page - Recom International Power |
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3 / 6 page  DC/DC Converter choose your model: REM3-1212D • Efficiency from Table1 (= 87.5% @ max Load / nom Vin) • Loading conditions in application (e.g. 50%) • use Eff factor from Graph1 (= 0.98 @50%) Calculation: MED-3 REV.: 05/2016 www.recom-power.com Specifications (measured at TA= 25°C, nominal input voltage, full load and after warm-up) REM3 Series PROTECTIONS Parameter Condition Type Value Short Circuit Protection (SCP) continuous, auto-recovery Over Load Protection (OLP) % of Iout rated Hiccup mode, 150% typ. Output Over Voltage Protection (OVP) Single 3.3Vout 5Vout 12Vout 15Vout 24Vout 3.7VDC min. / 5VDC max. 5.6VDC min. / 7VDC max. 13.5VDC min. / 16VDC max. 18.3VDC min. / 22VDC max. 29.1VDC min. / 34.5VDC max. Dual 5Vout 12Vout 15Vout 5.6VDC min. / 7VDC max. 13.5VDC min. / 18.2VDC max. 17VDC min. / 22VDC max. continued on next page REGULATIONS Parameter Condition Type Value Output Voltage Accuracy ±1% Line Voltage Regulation LL to HL Single LL to HL Dual ±0.2% ±0.5% Load Voltage Regulation no load to full load Single no load to full load Dual ±0.2% ±1% Cross Regulation asymmetrical load 25% / Full Load only Dual Output ±5% Transient Response 25% load step change 250µs Calculation Example: Vin = 12V Iout = 50% Eff 100% = 87.5% Eff factor50% = 0.98 R th = 18°C/W T CASEmax = 105°C T AMBmax = T CASEmax - TOVER = 105 - 4.5 = 100.5°C T OVER = R th * PDIS50% = 18 * 0.25 = 4.5°C P DIS50% = P in50% - P out50% = P out100% * 0.5 - (P out100% * 0.5) = 1.75 - 1.5 = 0.25W Eff 50% Eff 50% = Eff 100% * Efffactor50% = 87.5 * 0.98 = 85.75% 10 20 30 40 50 60 70 80 90 100 Load (%) 50 60 70 80 90 100 |
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