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RPP20-1215S Datasheet(PDF) 3 Page - Recom International Power |
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RPP20-1215S Datasheet(HTML) 3 Page - Recom International Power |
3 / 6 page www.recom-international.com PP-3 REV: 0/2014 Specifications (cont.) POWERLINE+ DC/DC-Converter RPP20-S_D Series Weight Ribbed Case 26g Baseplate Case 43g Packing Quantity Ribbed Case 5pcs per Tube Baseplate Case 4pcs per Tube Safety Standards certified UL-60950-1, 1st Edition Thermal Cycling complies with MIL-STD-810F Vibration 10-55Hz, 12G, 30 Min. along X, Y and Z Conducted Emissions EN55022 Class B Radiated Emissions EN55022 Class B ESD EN61000-4-2 Perf. Criteria B Radiated Immunity EN61000-4-3 Perf. Criteria A Fast Transient(5) EN61000-4-4 Perf. Criteria B Surge(5) EN61000-4-5 Perf. Criteria B Conducted Immunity EN61000-4-6 Perf. Criteria A MTBF calculated according to BELLCORE TR-NWT-000332(6) 2195 x 103 hours Notes : 1. Typical values at nominal input voltage and no load/full load. 2. Min. values at nominal input voltage and full load. 3. The ON/OFF pin voltage is referenced to negative input. The pin is pulled high internally. ON/OFF control is standard with positive logic: e.g. RPP20-2405S, RPP20-4805D-B. Pos. logic: 0= OFF, 1 = ON. The converter will be ON if the CTRL is left open. 4. Requires an external 100µF low ESR capacitor to meet EN61000-4-4 and EN61000-4-5 5. Case l: 50% Stress, Temperature at 50°C (Ground Benign). 6. To ensure a good all-round electrical contact, the bottom plate is pressed firmly into place into the aluminium case.The hydraulic press can leave tooling marks and deformations to both the case and plate. The case is anodised aluminium, so there will be natural variations in the case colour and the aluminium is not scratch resistant. Any resultant marks, scratches and colour varations are cosmetic only and do not affect the operation or performance of the converters. 7. Example: Rthcase-ambient = 7.5°C/W (vertical) Tcase = Case Temperature Rthcase-ambient = 11.5°C/W (horizontal) Tambient = Environment Temperature Pdissipation = Internal losses Rthcase-ambient = Tcase - Tambient Pin = Input Power Pdissipation Pout = Output Power Pdissipation = Pin-Pout = Pout - Pout Ƞ = Efficiency under given Operating Conditions Ƞ Rthcase-ambient = Thermal Impedance Pdissipation = Pin-Pout = Pout - Pout Ƞ Practical Example: Take the RPP20-1205S with 50% load. What is the maximum ambient operating temperature? Use converter vertical in application. Effmin = 89% @ Vnom Pout = 20W Poutapp = 20 x 0.5 = 10W Pdissipation = Pout - Pout Rth = Tcasemax - Tambient --> 7.5°C/W = 115°C - Tambient Ƞ Pdissipation 1.36W Ƞ = ~88% (from Eff vs Load Graph) T ambient = 104.8°C Pdissipation = 10 - 10 = 1.36W 0.88 |
Similar Part No. - RPP20-1215S |
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Similar Description - RPP20-1215S |
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