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T echnology* Selection Guide 12V, 24V and 48V Input Types Part Number Input Output Output Efficiency (2) Range Voltage Current (Typ.) VDC VDC mA RPP20-123.3S 9-18 3.3 6000 88% RPP20-1205S 9-18 5 4000 89% RPP20-1212S 9-18 12 1666 88% RPP20-1215S 9-18 15 1333 88% RPP20-1224S 9-18 24 830 88% RPP20-243.3S 18-36 3.3 6000 88% RPP20-2405S 18-36 5 4000 89% RPP20-2412S 18-36 12 1666 88% RPP20-2415S 18-36 15 1333 89% RPP20-2424S 18-36 24 830 89% RPP20-483.3S 36-75 3.3 6000 88% RPP20-4805S 36-75 5 4000 89% RPP20-4812S 36-75 12 1666 89% RPP20-4815S 36-75 15 1333 88% RPP20-4824S 36-75 24 830 88% RPP20-1212D 9-18 ±12 ±833 88% RPP20-1215D 9-18 ±15 ±666 88% RPP20-1224D 9-18 ±24 ±416 88% RPP20-2412D 18-36 ±12 ±833 88% RPP20-2415D 18-36 ±15 ±666 89% RPP20-2424D 18-36 ±24 ±416 88% RPP20-4812D 36-75 ±12 ±833 88% RPP20-4815D 36-75 ±15 ±666 88% RPP20-4824D 36-75 ±24 ±416 87% ** add suffix for case options Description The RPP20 series 2:1 input range DC/DC converters are ideal for high end industrial applications and COTS Military applications where a very wide operating temperature range of -40°C to +115°C is required. Although the case size is very compact, the converter contains a built-in filter EN55022 Class B / FCC Level B without the need for any external components. The RPP20 is available in two case styles: the ribbed case for active cooling and the baseplate case for high vibration, bulkhead-mounting or for pas- sive cooling applications. They are UL-60950-1 certified. RoHS 2011/65/EU UL-60950-1 Certified E224736 * ICE T echnology ICE (Innovation in Converter Excellence) uses state-of-the-art techniques to mini- mise internal power dissipation and to increase the internal temperature limits to extend the ambient operating temperature range to the maximum. Refer to Application Notes SUFFIX INFORMATION none = Standard Ribbed Case -B = Baseplate Case For other CTRL logic (-1), case style (-F) or low temperature options (-L, -M, -T) please contact RECOM for availability.

PP-2 www.recom-power.comREV: 0/2014 RPP20 Specifications (typical at nominal input and 25°C unless otherwise noted) Input Voltage Range 12V nominal input 9-18VDC 24V nominal input 18-36VDC 48V nominal input 36-75VDC Under Voltage Lockout 12V input DC-DC ON (min.) 8.5VDC DC-DC OFF (max.) 8VDC 24V input DC-DC ON (min.) 17.5VDC DC-DC OFF (max.) 17VDC 48V input DC-DC ON (min.) 35VDC DC-DC OFF (max.) 34VDC Input Voltage Variation dv/dt (Complies with ETS300 132 part 4.4) 5V/ms max Input Surge Voltage (100 ms max.) 12V, 24V Input 50VDC 48V Input 100VDC Start Up Time nominal Vin and constant resistor load 20ms typ., 50ms max. Remote ON/OFF (4) Logic High Open or 3.0V < Vr < 5.5V Logic Low Short or 0V < Vr < 1.2V Remote OFF input current Nominal input 2mA typ. Output Power 20W Output Voltage Accuracy 50% Load and nominal Vin ±1.5% Voltage Adjustability Single Output only ±10% Minimum Load 0% Line Regulation low line, high line at full load ±0.3% Load Regulation 10% to 100% full load ±0.5% Cross Regulation (10% <>100% Load) Dual Outputs only 3% typ. / 5% max. Ripple and Noise (20MHz bandwith limited) 3.3V, 5V 100mVp-p typ. (measured with 1µF capacitor across outputs) All others 1% p-p Vout typ. Temperature Coefficient ±0.04%/°C max. Transient Response 25% load step change 800µs Over Load Protection % of full load at nominal Vin 120% typ. Short Circuit Protection Power Limit, automatic recovery Output Over Voltage Protection (refer to block diagram in Application Notes) Converter shutdown if Vout > Vout nominal + 20% typ- Isolation Voltage Rated at 1600VDC/1 minute, Flash tested at 2000VDC/1 second Isolation Resistance 10MΩ min. Isolation Capacitance (refer to block diagram in Application Notes) 1500pF max. Operating Frequency 260kHz ± 40kHz Operating Temperature Range Ambient, Free Convection -40°C to see Calculation (Note 7) Maximum Case Temperature +115°C Storage Temperature Range -55°C to +125°C Over Temperature Protection (refer to block diagram in Application Notes) internal thermistor Thermal Impedance Ribbed Case: Vertical 7.5°C/Watt (Natural convection) Ribbed Case: Horizonzal 11.5°C/Watt Relative Humidity 5% to 95% RH Case Material(7) Aluminium Potting Material Silicone (UL94-V0) continued on next page POWERLINE+ DC/DC-Converter RPP20-S_D Series

www.recom-international.com PP-3REV: 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 variat ions in the case colour and the aluminium is not scratch resistant. Any resultant marks, scratches and colour varations are cosmetic only and do not a ffect the operation or performance of the converters. 7. Example: R thcase-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

PP-4 www.recom-power.comREV: 0/2014 RPP20 POWERLINE+ DC/DC-Converter RPP20-S_D Series Recommended PCB Layout /MT67/MT49 /MT70/MT117/MT115/MT101 /MT67/MT50 /MT67/MT51 /MT84/MT111/MT112/MT32/MT86/MT105/MT101/MT119 /MT67/MT49 /MT70/MT117/MT115/MT101 /MT67/MT50 /MT84/MT111/MT112/MT32/MT86/MT105/MT101/MT119 Single Output Dual Output Ribbed Case RPP20-1209S Typical Characteristics /MT49/MT48/MT48 /MT48 /MT79/MT117/MT116/MT112/MT117/MT116/MT32/MT76/MT111/MT97/MT100/MT32/MT40/MT37/MT41 /MT48 /MT69/MT102/MT102/MT105/MT99/MT105/MT101/MT110/MT99/MT121/MT32/MT40/MT37/MT41 /MT56/MT48 /MT50/MT48 /MT52/MT48 /MT54/MT48 /MT48/MT46/MT53 /MT49/MT46/MT53 /MT50/MT46/MT53/MT49/MT50 /MT69/MT102/MT102/MT105/MT99/MT105/MT101/MT110/MT99/MT121/MT32/MT86/MT83/MT32/MT79/MT117/MT116/MT112/MT117/MT116/MT32/MT76/MT111/MT97/MT100 /MT51 /MT51/MT46/MT53/MT52

www.recom-international.com PP-5REV: 0/2014 Package Style and Pinning (mm) /MT51 /MT49 /MT50 /MT53 /MT52 /MT50/MT48/MT46/MT51/MT48 /MT52/MT49 /MT100/MT105/MT97/MT46 /MT49/MT46/MT48 /MT49/MT48/MT46/MT50/MT48 /MT49/MT48/MT46/MT50/MT48 /MT49/MT50/MT46/MT55/MT48 /MT49/MT48/MT46/MT50/MT48 /MT66/MT111/MT116/MT116/MT111/MT109/MT32/MT86/MT105/MT101/MT119 /MT54 /MT50/MT46/MT53/MT48 /MT53/MT46/MT49/MT48 /MT50/MT54 /MT53/MT46/MT49/MT32/MT43/MT47/MT45/MT32/MT48/MT46/MT57 /MT49/MT49/MT46/MT55/MT48 /MT83/MT116/MT97/MT110/MT100/MT111/MT102/MT102 /MT61/MT32/MT49/MT46/MT51 /MT51/MT46/MT51 Pin Pitch Tolerance ±0.35 mm Pin Connections Pin # Single Dual 1 +Vin +Vin 2 -Vin -Vin 3 +Vout +Vout

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RPP20-S_D Series Input Fuse is recommended. Recommended fuse rating = double maximum input current, time delay type. Input Capacitor, C1, is required to meet EN61000 Surge and Fast Transient, otherwise it is not required for normal operation. Output Capacitors C2/C3 are recommended, but not required for normal operation. Typical capacitor values are 1µF MLCC To ensure optimum thermal performance, use large areas of copper on the PCB to assist with heat dissipation and mount the converter vertically. Ribbed Case (Standard - no suffix) /MT67/MT49 /MT70/MT117/MT115/MT101 /MT67/MT51 /MT78/MT111/MT32/MT116/MT114/MT97/MT99/MT107/MT115 /MT105/MT110/MT32/MT116/MT104/MT105/MT115/MT32/MT97/MT114/MT101/MT97 /MT40/MT52/MT50/MT32/MT120/MT32/MT51/MT48/MT109/MT109/MT41 /MT84/MT111/MT112/MT32/MT86/MT105/MT101/MT119 /MT67/MT51 /MT67/MT50 Baseplate Case- suggested PCB layout Single Output Dual Output Recommended PCB Layout

PP-6 www.recom-power.comREV: 0/2014 RPP20 POWERLINE+ DC/DC-Converter RPP20-S_D Series Package Style and Pinning (mm) /MT51/MT49 /MT50 /MT53 /MT52 /MT49/MT55/MT46/MT56 /MT100/MT105/MT97/MT46 /MT49/MT46/MT48 /MT49/MT48/MT46/MT50/MT48 /MT51/MT54/MT46/MT48 /MT53/MT48/MT46/MT56 /MT66/MT111/MT116/MT116/MT111/MT109/MT32/MT86/MT105/MT101/MT119 /MT54 /MT49/MT46/MT55/MT52/MT46/MT48/MT56/MT46/MT55 /MT49/MT55/MT46/MT56 /MT50/MT53/MT46/MT52 /MT52/MT53/MT46/MT55 /MT54/MT120/MT32/MT51/MT46/MT53/MT53 /MT40/MT117/MT115/MT101/MT32/MT77/MT51 /MT115/MT99/MT114/MT101/MT119/MT115/MT41 /MT53/MT46/MT49/MT48 /MT52/MT48/MT46/MT54 /MT49/MT48/MT46/MT50/MT48 /MT49/MT48/MT46/MT50/MT48 /MT51/MT48/MT46/MT57 /MT50/MT46/MT56 /MT49/MT49/MT46/MT52 /MT50/MT46/MT53/MT52 /MT51/MT50/MT46/MT54 /MT51/MT46/MT51 /MT51/MT46/MT48 /MT49/MT46/MT48 /MT51/MT56/MT46/MT48/MT42 /MT42/MT82/MT101/MT99/MT111/MT109/MT109/MT101/MT110/MT100/MT101/MT100/MT32/MT70/MT105/MT120/MT105/MT110/MT103/MT32/MT67/MT101/MT110/MT116/MT114/MT101/MT115 Pin Pitch Tolerance ±0.35 mm Pin Connections Pin # Single Dual 1 +Vin +Vin 2 -Vin -Vin 3 +Vout +Vout 4 -Vout Com

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Baseplate Case (-B suffix) /MT85/MT115/MT101/MT32/MT49/MT48/MT109/MT109 /MT83/MT112/MT97/MT99/MT101/MT114/MT115 /MT80/MT67/MT66 /MT80/MT67/MT66 Baseplate Case Fixing - Mounting onto Heatsink/Bulkhead Baseplate Case Fixing - Anti Vibration Mounting onto PCB NOTE: Pin separation is different between ribbed and baseplate versions. The product information and specifications are subject to change without prior notice. All products are designed for non-safety critical commercial and industrial applications. The Buyer agrees to implement safeguards that anticipate the consequences of any failures that might cause harm, loss of life and/or damage property.