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VRA1215LD-20WR2 Datasheet(PDF) 2 Page - MORNSUN Science& Technology Ltd. |
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VRA1215LD-20WR2 Datasheet(HTML) 2 Page - MORNSUN Science& Technology Ltd. |
2 / 9 page The copyright and authority for the interpretation of the products are reserved by MORNSUN VRA_LD-20WR2 & VRB_LD-20W R2 2013.11.29-A/4 Page 2of9 CE VRA4805LD-20WR2 48 (36-75) 80 ±5 ±2000 ±100 484 20 30 4800 86 VRA4812LD-20WR2 ±12 ±834 ±42 474 15 800 88 VRA4815LD-20WR2 ±15 ±667 ±34 468 15 500 89 VRA4824LD-20WR2 ±24 ±417 ±21 468 15 300 89 VRB4803LD-20WR2 3.3 5000 250 400 25 18700 86 VRB4805LD-20WR2 5 4000 200 463 25 9600 90 VRB4812LD-20WR2 12 1667 84 469 10 1600 89 VRB4815LD-20WR2 15 1333 67 463 10 1000 90 VRB4824LD-20WR2 24 834 42 468 10 470 89 Note: ①Series with suffix “H” are heat sink mounting; series with suffix “A2S” are chassis mounting,with suffix “A4S” are DIN-Rail mounting, for example VRB2405LD- 20WHR2A2S is chassis mounting of with heat sink,VRB2405LD-20WR2A4S is DIN-Rail mounting of without heat sink;If the application has a higher requirement for heat dissipation, you can choose modules with heat sink; ②Absolute maximum rating without damage on the converter; ③For dual-output-converters the given value is for one output (for both outputs the same value); ④The efficiency of "A2S" and "A4S" is approx. 2% lower for the protection of inverse polarity. INPUT SPECIFICATIONS Item Test Conditions Min. Typ. Max. Unit Input Surge Voltage (1sec.max.) 12VDC input -0.7 -- 25 VDC 24VDC input -0.7 -- 50 48VDC input -0.7 -- 100 Start-up Voltage 12VDC input -- -- 9 24VDC input -- -- 17.8 48VDC input -- -- 35.8 Under Voltage Shutdown 12VDC input 7.5 -- -- 24VDC input 16 -- -- 48VDC input 32 -- -- Start-up Time Nominal input& constant resistance load -- 10 -- ms Ctrl* Models ON Ctrl open or connect TTL high level (2.5-12VDC) Models OFF Ctrl connect GND or low level (0-1.2VDC) Input current (Models OFF) -- 1 -- mA Input Filter Pi Filter Note: *The Ctrl control pin voltage is refer to GND. OUTPUT SPECIFICATIONS Item Test Conditions Min. Typ. Max. Unit Positive Voltage Accuracy -- ±1 ±3 % Negative Voltage Accuracy Output Voltage Balance Dual output, balanced loads -- ±0.5 ±1 Line Regulation Full load, input voltage from low to high -- ±0.2 ±0.5 Load Regulation 10% to 100% load -- ±0.5 ±1 Cross Regulation Dual output, main output 50% load, Supplement output from 10% to 100% load -- -- ±5 Transient Recovery Time 25% load step change -- 300 500 µs Transient Response Deviation -- ±3 ±5 % Temperature Drift Full load -- ±0.02 -- %/ °C Ripple & Noise* 20MHz bandwidth -- 70 100 mVp-p Trim -- ±10% -- VDC Output Over Voltage Protection 3.3VDC output -- 3.9 -- 5VDC output -- 6.2 -- 12VDC output -- 15 -- 15VDC output -- 18 -- 24VDC output -- 30 -- Over Current Protection Input voltage range -- 150 -- % Short Circuit Protection Hiccup, Continuous, automatic recovery Note: * Ripple and noise tested by “parallel cable” method. See detailed operation instructions at DC-DC application notes. |
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