Catalog excerpts
DC/DC ConverterVRA(B)_LD-15WR2 & VRA(B)_LD-20WR2 Series 15W&20W, wide input isolated & regulated dual / single output DC/DC converter FEATURES • Wide range of input voltage (2:1) • Efficiency up to 90% • Isolation voltage : 1.5K VDC • Output over-voltage, over-current and short circuit protection • Operating temperature range: -40C to +85C • Six-sided metal shielding package • Meet CISPR22/EN55022 CLASS A • A2S (wring mounting) and A4S (35mm rail mounting) products featuring anti-reverse connection for input • Meet EN60950 • International standard pin-out Patent Protection RoHS <€ VRA(B)_LD-15WR2 & VRA(B)_LD-20WR2 series are applied to wide voltage range input situation such as data transmission device, battery power supply device, telecommunication device distributed power supply system, remote control system, industrial robot system etc. MORNSUN GUANGZHOU 5CIGNCG & TGCHNOLOGY CO.,LTD. MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyrig
Open the catalog to page 1Note: ©Series with suffix "H" are heat sink mounting; series with suffix "A2S" are chassis mounting, with suffix "A4S" are DIN-Rail mounting, for example VRB2405LD-20WHR2A2S is chassis mounting of with heat sink,VRB2405LD-20WR2A4S is DIN-Rail mounting of without heat sink;If the application has a higher requirement for heat dissipation, you can choose modules with heat sink; ©Absolute maximum rating without damage on the converter, but it isn't recommended; ©The efficiency of A2S (wiring type) and A4S (rail type) products is 2% lower than the above-mentioned value due to the reverse...
Open the catalog to page 2DC/DC Converter VRA(B)_LD-15WR2 & VRA(B)_LD-20WR2 Series Output Specifications Note: *Ripple and noise are measured by "parallel cable" method, please see DC-DC Converter Application Notes for specific operation. General Specifications MORNSUN GUANGZHOU SCIENCE & TECHNOLOGY CO.,LTD. MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyright and right of final interpretation
Open the catalog to page 3MORNSUN® Vibration Physical Specifications Product Characteristic Curve 120 0 100 80 o 60 40 o 20 0 -40 0 40 6570 85 120 Operating TemperatureOC) Efficiency Vs Output Load(Vin=Vin-nominal) Output Current Percentage (%) MORNSUN GUANGZHOU 5CIGNCG & TGCHNOLOGY CO.,LTD. MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyright and right of final interpretation
Open the catalog to page 4DC/DC ConverterVRA(B)_LD-15WR2 & VRA(B)_LD-20WR2 Series Design Reference 1. Typical application All the DC/DC converters of this series are tested according to the recommended circuit (see Fig. 2) before delivery. If it is required to further reduce input and output ripple, properly increase the input & output of additional capacitors Cin and Cout or select capacitors of low equivalent impedance provided that the capacitance is no larger than the max. capacitive load of the product. Parameter description EMC solution-recommended circuit PCB layout MORNSUN GUANGZHOU 5CIGNCG & TGCHNOLOGY...
Open the catalog to page 5DC/DC ConverterVRA(B)_LD-15WR2 & VRA(B)_LD-20WR2 Series1 .Application of Trim and calculation of Trim resistance Calculation formula of Trim resistance: Vo'-Vref Vref Note: Leave open if not used. Rt: Resistance of Trim. a: User-defined parameter, no actual meanings. Applied circuits of Trim (Part in broken line is the interior of models) MORNSUN GUANGZHOU SCIENCE & TECHNOLOGY CO.,LTD. MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyright and right of final interpretation
Open the catalog to page 6DC/DC Converter VRA(B)_LD-15WR2 & VRA(B)_LD-20WR2 Series A2S Wiring Package Dimensions(without heatsink) MORN5UN GUANGZHOU SCIENCE & TGCHNOLOGY CO.,LTD. MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyright and right of final interpretation
Open the catalog to page 7Front View MORNSUN GUANGZHOU SCIENCE & TECHNOLOGY CO.,LTD. MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyright and right of final interpretation
Open the catalog to page 8THIRD ANGLE PROJECTION Front View Notes: 1. Packing information please refer to Product Packing Information which can be downloaded from www.mornsun-power.com. Horizontal Packing Bag Number: 58200035(without heatsink),58200051(with heatsink), A2S/A4S Packing Bag Number: 58220022; 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 =S±5%; if the degree exceeds ±5%, than the product performance cannot be...
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