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URB2412LD-20WR2 Datasheet(PDF) 2 Page - MORNSUN Science& Technology Ltd. |
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URB2412LD-20WR2 Datasheet(HTML) 2 Page - MORNSUN Science& Technology Ltd. |
2 / 10 page The copyright and authority for the interpretation of the products are reserved by MORNSUN URA_LD-20WR2 & URB_LD-20WR2 2013.11.29-A/3 Page 2 of 10 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 URB2405LD-20WHR2A2S is chassis mounting of with heat sink,URB2405LD-20WR2A4S is DIN-Rail mounting of without heat sink;If the application hasa 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.) 24VDC Input -0.7 -- 50 VDC 48VDC Input -0.7 -- 100 Start-up Voltage 24VDC Input -- -- 9 48VDC Input -- -- 17.8 Under Voltage Shutdown 24VDC Input 7.5 -- -- 48VDC Input 16 -- -- 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 Output Voltage Accuracy -- ±1 ±3 % Negative Output Voltage Accuracy Output Voltage Balance Dual output,Balance load -- ±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 100% load -- ±0.02 -- %/ °C Ripple & Noise* 20MHz Bandwidth -- 70 100 mVp-p Output voltage Trim -- ±10% -- VDC Output Over Voltage Protection 3.3V output -- 3.9 -- 5V output -- 6.2 -- 9V output -- 10.8 -- 12V output -- 15 -- 15V output -- 18 -- 24V output -- 30 -- Over Current Protection Input voltage range -- 160 -- % Output Short Circuit Protection Hiccup, 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 1500 -- -- VDC Isolation Resistance Input-Output, Test at 500VDC 1000 -- -- M Ω Isolation Capacitance 24V output Input/Output,100KHz/0.1V -- 2000 -- pF Others -- 1000 -- Switching Frequency URB2424LD-20WR2 PWM mode 315 -- 345 KHz Others PWM mode -- 300 -- MTBF MIL-HDBK-217F@25℃ 1000 -- -- K hours Safety approvals URB48XXLD-20WR2 UL60950, EN60950 Others EN60950 |
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