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RPP30-4812DW Datasheet(PDF) 3 Page - Recom International Power |
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RPP30-4812DW Datasheet(HTML) 3 Page - Recom International Power |
3 / 6 page www.recom-international.com PP-21 REV: 0/2014 Specifications (typical at nominal input and 25°C unless otherwise noted) POWERLINE+ DC/DC-Converter RPP30-S_DW Series Packing Quantity Ribbed Case 4 pcs per Tube Baseplate Case Single packed 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 (4) EN61000-4-4 Perf. Criteria B Surge (4) EN61000-4-5 Perf. Criteria B Conducted Immunity EN61000-4-6 Perf. Criteria A MTBF calculated according to BELLCORE TR-NWT-000332 (5) 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. RPP30-2405SW, RPP30-4805DW-B. Positive 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 baseplate is pressed firmly into place within the aluminium housing.The hydraulic press can leave tooling marks and deformations to both the housing and baseplate. 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 = 7.3°C/W (vertical) Tcase = Case Temperature Rthcase-ambient = 11°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 RPP30-2405SW with 90% load. What is the maximum ambient operating temperature? Use converter vertical in application. Effmin = 89% @ Vnom Pout = 30W Poutapp = 30 x 0.9 = 27W Pdissipation = Pout - Pout Rth = Tcasemax - Tambient --> 7.3°C/W = 115°C - Tambient Ƞ Pdissipation 3.34W Ƞ = ~89% (from Eff vs Load Graph) T ambient = 90.64°C Pdissipation = 27 - 27 = 3.34W 0.89 |
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