B_S-2WR2
5Pages

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Catalog excerpts

B_S-2WR2 - 1

2W, Fixed input voltage, isolated & unregulated dual /single output cTOus C € Patent Protection RoHS FEATURES • Continuous short-circuit protection • Operating temperature range: -40°C to +105°C • High efficiency up to 86% • High power density • Miniature SIP package • Isolation voltage: 1.5K VDC • No external component required • International standard pin-out A_S-2WR2 & B_S-2WR2 series are specially designed for applications where an isolated voltage is required in a distributed power supply system, They are suitable for 1. Where the voltage of the input power supply is stable (voltage variation: ±10%Vin); 2. Where isolation between input and output is necessary (isolation voltage ^ T500VDC); 3, Where the output voltage regulation is not stricty required; 4, Typica appiicaton: digit circuit condition; normal low-frequency artfciai circuit conditon; relay chive circuit and data switching circuit conditon, etc. MORNSUN GUANGZHOU SCIENCC & TECHNOLOGY CO.,LTD. MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyright and right of final interpret

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B_S-2WR2 - 2

MORNSUN GUANGZHOU SCIGNC6 & T6CHNOLOGY CO.,LTD MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyright and right of final interpr

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B_S-2WR2 - 3

DC/DC Converter A_S-2WR2 & B_S-2WR2 series 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 Operating Temperature Derating when operating temperature up to 85℃, (see Fig. 2) Storage Temperature Casing Temperature Rise Ta=25℃, nominal input, full load output Pin Welding Resistance Temperature Welding spot is 1.5mm away from the casing, 10 seconds Storage Humidity Switching Frequency Full load, nominal input...

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B_S-2WR2 - 4

Efficiency Vs Input Voltage (Full Load) Input Voltage(V) Design Reference 1. Typical application circuit If it is required to further reduce input and output ripple, a filter capacitor may be connected to the input and output terminals, see Fig.3. Moreover, choosing a suitable filter capacitor is very important, start-up problems may be caused if the capacitance is too large. Under the condition of safe and reliable operation, the recommended capacitive load values are shown in Table 1. Recommended capacitive load value table (Table 1) 2. EMC typical recommended circuit (CLASS B) Note:...

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B_S-2WR2 - 5

DC/DC Converter A_S-2WR2 & B_S-2WR2 series 3. Output load requirements When using, the minimum load of the module output should not be less than 10% of the nominal load. In order to meet the performance parameters of this datasheet, please connect a 10% dummy load in parallel at the output end, the dummy load is generally a resistor, Please note that the resistor needs to be used in derating. 4. For more information please find DC-DC converter application notes on www.mornsun-power.com Dimensions and Recommended Layout Packing information please refer to Product Packing Information which...

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