WRE_S-3WR2 / 2:1 / 3watt DC-DC converter / Dual output
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Catalog excerpts

WRE_S-3WR2 / 2:1 /  3watt DC-DC converter / Dual output - 1

DC/DC Converter WRE_S - 3WR2 & WRF_S - 3WR2 Series 3W, Wide input voltage, isolated & regulated dual / single output DC/DC converter Wide input voltage range (2:1) Operating temperature range: -40℃ to +85℃ Short circuit protection (self-recovery) High power density Patent Protection RoHS Remote On/Off WRE_S-3WR2 & WRF_S-3WR2 series are isolated 3W DC-DC products with 2:1 input voltage and conventional voltage output. The product has a relatively compact SIP plastic package, and features high efficiency, operating temperature of -40 ℃~+85 ℃. The smaller size and fine cost design make the converter an ideal solution in communication, instruments, and industrial electronics applications. Selection Guide Certification Input Voltage (VDC) Nominal (Range) Ripple&noise (Typ./Max.) (mVp-p) Efficiency (%, Min./Typ.) @ Full Load Output Voltage(VDC) Output Current (mA)(Max./Min.) MORNSUN Guangzhou Science & Technology C

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WRE_S-3WR2 / 2:1 /  3watt DC-DC converter / Dual output - 2

DC/DC Converter WRE_S - 3WR2 & WRF_S - 3WR2 Series CE Notes: ①Exceeding the maximum input voltage may cause permanent damage; ②For the dual output modules, the capacitive loads of positive and negative outputs are the same. Operating Conditions 5VDC Input 12VDC Input Input Current (full load/no-load) Reflected Ripple Current Input Impulse Voltage (1sec. max.) Starting Voltage Input Filter Filter capacitor Unavailable Module turn-on Ctrl function* The Ctrl end is suspended or of high resistance Module turn-off Connect with high level (relative to the input grounding) to make the 5-10mA...

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WRE_S-3WR2 / 2:1 /  3watt DC-DC converter / Dual output - 3

DC/DC Converter WRE_S - 3WR2 & WRF_S - 3WR2 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 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 (PFM Mode) Full load, nominal input voltage Physical Specifications Casing Material...

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WRE_S-3WR2 / 2:1 /  3watt DC-DC converter / Dual output - 4

DC/DC Converter Efficiency Vs input Votlage (Full Load) Input Voltage(V) Efficiency Vs input Votlage (Full Load) Input Vottage(V) Efficiency Vs Output Load(Vin=Vin-nominal) Output Current Percentage(%) Efficiency Vs Output Load(Vin=Vin-nominal) Output Current Percentage(%) Design Reference All the DC/DC converters of this series are tested according to the recommended circuit (see Fig. 2) before delivery, If a further decrease of the input and output ripple is reauired, properly increase the input & output of additional capacitors Cinl, Cin2, Cs and Cout; or select capacitors of low...

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WRE_S-3WR2 / 2:1 /  3watt DC-DC converter / Dual output - 5

DC/DC Converter WRE_S - 3WR2 & WRF_S - 3WR2 Series Parameter description: Model Slow blown fuses according to the actual input current selections of the clients In accordance with the formula: Notes: ① Part ① in Fig. 3 is used for EMS test while part ② is used for EMI filtering; and parts ① and ② may be selected based on needs. ② VC is the voltage of the Ctrl end relative to the GND of the input grounding; VD is the positive-going conduction pressure drop of D1; IC is the current flows into the Ctrl end and its value is generally 5-10mA, see Fig. 3-③ for the peripheral circuit of Ctrl end;...

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WRE_S-3WR2 / 2:1 /  3watt DC-DC converter / Dual output - 6

DC/DC Converter Dimensions and Recommended Layout THIRD ANGLE PROJECTION^ 1. Packing information please refer to Product Packing Information which can be downloaded from www.mornsun-power.com. Packing 2. Recommend to use module with more than 5% load, if not, the ripple of the product may exceeds the specification, but does not affect the reliability of the product; 3. The recommended unbalance degree of the dual output module load is ^±5%; if the degree exceeds ±5%, than the product performance cannot be guaranteed to comply with all parameters in the datasheet. Please contact our...

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