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

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

DC/DC Converter WRA_S-3WR2 & WRB_S-3WR2 Series 3W, Wide input voltage, isolated & regulated dual / single output DC/DC converter Patent Protection RoHS Compact SIP package Wide input voltage range (2:1) Operating temperature range: -40℃ to +85℃ Isolation voltage: 1.5K VDC Low ripple & noise Short circuit protection (self-recovery) Remote On/Off High Power Density EN60950 approval WRA_S-3WR2 & WRB_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-8 plastic package, and features high efficiency, operating temperature of -40℃~+85℃, remote control, and continuous short-circuit protection. The smaller size and fine cost design make the converter an ideal solution in communication, instruments, and industrial electronics applications. Selection Guide Input Voltage (VDC) Certification Ripple&Noise (Typ./Max.) (mVp-p) Max. Efficiency (%, Min./Typ.) Capacitive ② Load (µF) @ Full Load Output Voltage(VDC) Output Current (mA)(Max./Min.) Nominal (Range) MORNSUN Guangzhou Science & Technology Co

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

DC/DC Converter WRA_S-3WR2 & WRB_S-3WR2 Series WRA4805S-3WR2 Notes: 1 Absolute maximum rating without damage on the converter, but it isn't recommended; 2 The capacitive loads of positive and negative outputs are identical. Input Specifications Item Operating Conditions Input Current (full load/no-load) Starting Voltage Input Impulse Voltage (1sec. max.) Reflected Ripple Current Input Filter Filter capacitor Unavailable Module turn-on Module turn-off Ctrl function* The Ctrl end is suspended or of high resistance Connect with high level (relative to the input grounding) to make the 5-10mA...

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

DC/DC Converter WRA_S-3WR2 & WRB_S-3WR2 Series Short Circuit Protection Continuous, self-recovery Note: ①Ripple 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 Operating Temperature Storage Temperature Pin Welding Resistance Temperature Welding spot is 1.5mm away from the casing, 10 seconds...

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

DC/DC Converter Efficiency Vs input Voltage (Full Load) Input Voltage(V) Efficiency Vs input Voltage (Full Load) Input Voltage(V) Output Current Percentage(%) 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 eauivalent impedance like series capacitor, etc. Cs is used to reduce ripple. No need to add...

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

DC/DC Converter WRA_S-3WR2 & WRB_S-3WR2 Series Parameter description: Model Slow blown fuses according to the actual input current selections of the clients In accordance with the formula: 47nF/100V 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...

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

DC/DC Converter Dimensions and Recommended Layout THIRD ANGLE PROJECTIONS Bottoni View 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...

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