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WRF1212S-1WR2 Datasheet(PDF) 2 Page - MORNSUN Science& Technology Ltd. |
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WRF1212S-1WR2 Datasheet(HTML) 2 Page - MORNSUN Science& Technology Ltd. |
2 / 7 page The copyright and authority for the interpretation of the products are reserved by MORNSUN WRE_S-1WR2 & WRF_S-1WR2 2013.07.25-A/3 Page 2 of 7 WRF4812S-1WR2 12 83 4 26 1000 81 WRF4815S-1WR2 48 (36-75) 80 15 67 3 26 4 70 680 80 Note: ①. Absolute maximum rating without damage on the converter, but it isn't recommended; ②. For dual output converter, the given value is the same for each output. INPUT SPECIFICATIONS Item Test Conditions Min. Typ. Max. Unit 5V input -0.7 -- 12 12V input -0.7 -- 25 24V input -0.7 -- 50 Input Surge Voltage (1sec. max.) 48V input -0.7 -- 100 5V input 3.5 4 4.5 12V input 4.5 8 9 24V input 11 16 18 Start-up Voltage 48V input 24 33 36 VDC Input Filter C Filter Models ON Ctrl open or be insulated Ctrl* Models OFF Connect high level voltage, and ensure the current into Ctrl to be 5-10mA Note: *Please refer to "DESIGN CONSIDERATIONS" as the direction for use of Ctrl . OUTPUT SPECIFICATIONS Item Test Conditions Min. Typ. Max. Unit Output Voltage Accuracy 5% to 100% load -- ±1 ±3 No-load Output Voltage Accuracy Input voltage range -- ±1.5 ±5 Output Voltage Balance Dual output, balanced loads -- ±0.3 ±0.5 Line Regulation Full load, Input voltage from low to high -- ±0.2 ±0.5 Load Regulation 5% to 100% load -- ±0.4 ±0.75 % Transient Recovery Time -- 0.5 2 ms Transient Response Deviation 25% load step change -- ±2.5 ±5 % Temperature coefficient 100% load -- ±0.02 ±0.03 %/ °C Ripple * -- 30 50 Noise* 20MHz Bandwidth -- 50 100 mVp-p Output Short Circuit Protection Continuous, automatic recovery Note:*Ripple and noise tested with "parallel cable" method. See detailed operation instructions at DC-DC application notes. COMMON SPECIFICATIONS Item Test Conditions Min. Typ. Max. Unit Isolation Voltage Input-Output, Tested for 1 minute, leakage current less than 1 mA 3000 -- -- VDC Isolation Resistance Input-Output, Test at 500VDC 1000 -- -- M Ω Isolation Capacitance Input-Output,100KHz/0.1V -- 30 50 pF Switching Frequency(PFM Mode) 100% load, Nominal Input voltage -- 200 -- KHz MTBF MIL-HDBK-217F@25℃ 1000 -- -- K hours Case Material Plastic(UL94-V0) Weight -- 4.9 -- g ENVIRONMENTAL SPECIFICATIONS Item Test Conditions Min. Typ. Max. Unit Storage Humidity Non condensing -- -- 95 % Operating Temperature Power derating (above85℃, see Figure 5) -40 -- 85 Storage Temperature -55 -- 125 Temp. rise at full load Ta=25 °C -- 25 -- Lead Temperature 1.5mm from case for 10 seconds -- -- 300 °C Cooling Free air convection |
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