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URB4803YMD-20W Dataheets PDF



Part Number URB4803YMD-20W
Manufacturers MORNSUN
Logo MORNSUN
Description DC/DC Converter
Datasheet URB4803YMD-20W DatasheetURB4803YMD-20W Datasheet (PDF)

DC/DC Converter URB_YMD-20W Series 20 W, Ultra wide input voltage, isolated & regulated single output DC/DC converter FEATURES  Wide range of input voltage (4:1)  Efficiency up to 90%  Isolation voltage: 1.5K VDC  Input under-voltage protection, output over-voltage, over-current, short-circuit protection, over- temperature protection,  Operating temperature range: -40℃ to +85℃  Meet CISPR22/EN55022 CLASS A  Reverse voltage protection available with A2S (Chassis mounting) or A4S.

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DC/DC Converter URB_YMD-20W Series 20 W, Ultra wide input voltage, isolated & regulated single output DC/DC converter FEATURES  Wide range of input voltage (4:1)  Efficiency up to 90%  Isolation voltage: 1.5K VDC  Input under-voltage protection, output over-voltage, over-current, short-circuit protection, over- temperature protection,  Operating temperature range: -40℃ to +85℃  Meet CISPR22/EN55022 CLASS A  Reverse voltage protection available with A2S (Chassis mounting) or A4S(DIN-rail mounting)  Low temperature rise, Industrial level Patent Protection RoHS specifications URB_YMD-20W series are isolated 20W DC-DC products with 4:1 input voltage. They feature efficiency up to 90%, 1500VDC isolation, operating temperature of -40℃~+85℃, Input under-voltage protection, output over-voltage protection, over-current protection, over-temperature protection, short-circuit protection and EMI meets CISPR22/EN55022 CLASS A, which make them widely applied in battery power supplies, industrial control, electricity, instruments, communication fields. And extension package A2S and A4S also enable them with reverse voltage protection. Selection Guide Part No. ① URB2403YMD-20W Input Voltage (VDC) Nominal (Range) Max.② Output Output Voltage (VDC) Output Current (mA) (Max./Min.) 3.3 5000/250 Efficiency ③(%,Min./Typ.) @ Full Load 85/87 Max. Capacitive Load(µF) 10300 URB2405YMD-20W URB2412YMD-20W 24 (9-36) 40 5 4000/200 88/90 12 1667/84 88/90 5400 1200 URB2415YMD-20W 15 1333/67 88/90 750 URB4803YMD-20W 3.3 5000/250 86/88 10300 URB4805YMD-20W URB4812YMD-20W 48 (18-75) 80 5 4000/200 88/90 12 1667/84 88/90 5400 1200 URB4815YMD-20W 15 1333/67 88/90 750 Note: ○1 Part No. with suffix “H” are heat sink mounting, series with suffix "A2S" are chassis mounting, with suffix "A4S" are DIN-Rail mounting, for example URB2405YMD-20WHA2S is chassis mounting with heat sink, URB2405YMD-20WA4S is DIN-Rail mounting without heat sink. If the application has a higher requirement for heat dissipation, you can choose modules with heat sink. ○2 Exceeding the maximum input voltage may cause permanent damage; ○3 The efficiency of "A2S" and "A4S" is approx. 2% lower for the protection of inverse polarity. Input Specifications Item Input Current (full load / no-load) Reflected Ripple Current Input impulse Voltage (1sec. max.) Starting Voltage Under-Voltage Shutdown Ctrl* Input Filter Operating Conditions 24VDC input 48VDC input 24VDC input 48VDC input 24VDC input 48VDC input 24VDC input 48VDC input Module turn-on Module turn-off Input current when switched off Min. Typ. Max. Unit -- 925/60 947/146 -- 463/30 474/73 mA -- 30 -- -0.7 -- 50 -0.7 -- 100 -- -- 9 VDC -- -- 18 6 -- -- 15 -- -- Ctrl pin floating or connected to TTL high level(2.5-12VDC) Ctrl pin connected to GND or low level(0-1.2VDC) -- 5 -- mA Pi filter 2015.8.31-A/4 Page 1 of 8 MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyright and right of final interpretation DC/DC Converter URB_YMD-20W Series Hot Plug Note: * The voltage of Ctrl pin is relative to input pin GND. Unavailable Output Specifications Item Operating Conditions Min. Typ. Max. Output Voltage Accuracy -- ±1 ±3 Line Regulation Full load, the input voltage is from low to high -- ±0.2 ±0.5 Load Regulation 5%-100% load -- ±0.5 ±1 Transient Recovery Time Transient Response Deviation Temperature Coefficient 25% load step change Full load -- 300 500 -- ±3 ±5 -- ±0.02 -- Ripple & Noise* 20MHz bandwidth -- 50 120 Trim -- ±10%Vo -- 3.3V output -- 3.9 -- Over-voltage Protection 5V output 12V output -- 6.2 --- 15 -- 15V output -- 18 -- Over-current Protection Short circuit Protection Input voltage range -- 150 -Continuous Note: *Ripple and noise are measured by “parallel cable” method, please see DC-DC Converter Application Notes for specific operation. General Specifications Item Operating Conditions Isolation Voltage Input-output, with the test time of 1 minute and the leak current lower than 1mA Isolation Resistance Input-output, isolation voltage 500VDC Isolation Capacitance Input-output, 100KHz/0.1V Operating Temperature Derating when operating temperature up to ≥71℃ (see Fig. 1) Storage Temperature Pin Welding Resistance Temperature Welding spot is 1.5mm away from the casing, 10 seconds Storage Humidity Non-condensing Switching Frequency PWM Mode Over- temperature Protection Input voltage range MTBF MIL-HDBK-217F@25℃ Min. 1500 1000 -- -40 -55 -5 --1000 Typ. -- -1000 -- ---320 110 -- Max. -- --- 85 125 300 95 ---- Physical Specifications Casing Material Dimension Without heatsink With heatsink Weight Without heatsink With heatsink Cooling Method DIP A2S chassis mounting A4S DIN-Rail mounting DIP A2S chassis mounting A4S DIN-Rail mounting DIP/A2S chassis mounting/A4S DIN-Rail mounting DIP/A2S chassis mounting/A4.


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