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RP240H-2405SRW Datasheet(PDF) 8 Page - Recom International Power |
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RP240H-2405SRW Datasheet(HTML) 8 Page - Recom International Power |
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8 / 15 page  PB-8 REV.: 1/2016 DC/DC Converter Specifications (measured @ ta= 25°C, nominal input voltage, full load and after warm-up) RP240H-RW Series PROTECTIONS Parameter Condition Value Short Circuit Protection (SCP) below 100m Ω continuous, automatic recovery Over Voltage Protection (OVP) % of nom. Vout 115%-130%, Hiccup Mode Over Load Protection (OLP) % Iout rated 120%-150%, Hiccup Mode Over Temperature Protection (OTP) +120°C Isolation Voltage 110Vin I/P to O/P I/P or O/P to Baseplate 3kVAC/1minute 1.5kVAC/1minute 24Vin, 48Vin I/P to O/P I/P or O/P to Baseplate 2.25kVDC/1minute 1.6kVDC/1minute Isolation Resistance 500 VDC 1G Ω min. Isolation Capacitance 2500pF max. Isolation Grade 110Vin 24Vin, 48Vin Reinforced Insulation Basic Insulation ENVIRONMENTAL Parameter Condition Value Operating Case Temperature Range Baseplate -40°C to +115°C Maximum Case Temperature 115°C Temperature Coefficient ±0.02%/°C max. Thermal Impedance vertical direction by natural convection (0.1m/s) without Heat-sink vertical direction by natural convection (0.1m/s) with Heat-sink 6.1°C/W 4.6°C/W Operating Humidity 5% - 95% RH Pollution Degree PD2 Shock according to EN61373 standard Thermal Shock according to MIL-STD-810F standard Vibration according to EN61373 standard Fire protection on railway vehicles according to EN45545-2, 2013 standard MTBF according to MIL-HDBK-217F standard, 25°C 296.1 x 103 hours continued on next page www.recom-power.com Thermal Calculation R thcase-ambient = 6.1°C/W (vertical) T case = Case Temperature R thcase-ambientHC = 4.6°C/W (vertical) T ambient = Environment Temperature P dissipation = Internal losses R thcase-ambient = T case - Tambient P IN = Input Power P dissipation P OUT = Output Power h = Efficiency under given Operating Conditions P dissipation = PIN - POUT = P OUTapp - P OUTapp R thcase-ambient = Thermal Impedance h Practical Example: Take the RP240H-2405SRW with 9V input Voltage and 50% load. What is the maximum ambient operating temperature? Use converter vertical in application without airflow. Eff min = 91.5% @ Vnom P OUT = 180W P OUTapp = 180 x 0.5 = 90W h = 91.5% (Efficiency vs. Load Graph) P dissipation = 90 - 90 = 8.36W 0.915 without Heat-sink with Heat-sink R th = T casemax - Tamb --> 6.1°C/W = 115-T amb R thHC = T casemax - Tamb --> 4.6°C/W = 115-T amb Pdissipation 8.36W Pdissipation 8.36W T amb = 64°C T ambHC = 76.5°C Notes: Note4: An input fuse is required if the mains supply isn’t over-current protected. Recommended fuse: T100A slow blow. |
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Similar Description - RP240H-2405SRW |
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