DC/DC Converter RT4-D3WR Series 1W, Fixed input voltage, isolated & unregulated dual output FEATURES Efficiency up to 82% Isolation voltage: 3K VDC Operating temperature range: -40°C to +105°C Miniature SMD package Internal surface mounted design No external component required International standard pin-out RoHS RT4-D3WR series is specially designed for applications where an isolated voltage is required in a distributed power supply system. It is suitable for 1.Where the voltage of the input power supply is stable (voltage variation: ±10%Vin); 2.Where isolation is necessary between input and output (isolation voltage ≤3000VDC); 3.Where do not has high requirement of line regulation , load regulation and the ripple & noise of the output voltage; Such as: pure digital circuits, low frequency analog circuits, and relay-driven circuits. Selection Guide Input Voltage (VDC) Output Efficiency (%,Min./Typ.) Max. Capacitive Load (µF) @ Full Load Part No. Nominal (Range) Output Voltage (VDC) Output Current (mA) (Max./Min.) RT4-0305D10D3WR 3.3 (2.97-3.63) ±5 ±100/±10 74/78 ±12 ±42/±5 74/78 ±5 ±100/±10 76/80 RT4-0312D10D3WR RT4-0505D10D3WR RT4-0509D10D3WR ±9 ±56/±6 76/80 ±12 ±42/±5 77/81 RT4-0515D10D3WR ±15 ±33/±3 77/81 RT4-0524D10D3WR ±24 ±21/±2 77/81 RT4-1205D10D3WR ±5 ±100/±10 76/80 ±9 ±56/±6 76/80 ±12 ±42/±5 77/81 RT4-1215D10D3WR ±15 ±33/±3 77/81 RT4-1224D10D3WR ±24 ±21/±2 77/81 ±15 ±33/±3 77/81 ±5 ±100/±10 76/80 RT4-0512D10D3WR 5 (4.5-5.5) RT4-1209D10D3WR RT4-1212D10D3WR RT4-1515D10D3WR 12 (10.8-13.2) 15 (13.5-16.5) RT4-2405D10D3WR RT4-2409D10D3WR ±9 ±56/±6 76/80 ±12 ±42/±5 77/81 RT4-2415D10D3WR ±15 ±33/±3 78/82 RT4-2424D10D3WR ±24 ±21/±2 78/82 RT4-2412D10D3WR 24 (21.6-26.4) 100 Input Specifications Item Input Current (full load / no-load) Surge Voltage (1sec. max.) Surge Voltage (1sec. max.) Operating Conditions Min. Typ. Max. 3.3VDC input -- 389/25 -- 5VDC input -- 250/20 -- 12VDC input -- 104/15 -- 15VDC input -- 83/12 -- 24VDC input -- 52/10 -- 3.3VDC input -0.7 -- 5 5VDC input -0.7 -- 9 12VDC input -0.7 -- 18 15VDC input -0.7 -- 21 RT4-D3WR2014.10-A-1 Page 1 of 4 Unit mA VDC VDC DC/DC Converter RT4-D3WR Series 24VDC input Reflected Ripple Current -0.7 -- 30 -- 15 -- Input Filter mA Capacitor filter Output Specifications Item Operating Conditions Min. Output Voltage Accuracy Typ. Max. Unit See tolerance envelope graph (Fig. 1) Line Regulation Input voltage change: ±1% Load Regulation -- -- ±1.2 5VDC output -- 12 -- 9VDC output -- 9 -- 12VDC output -- 8 -- 15VDC output -- 7 -- 24VDC output -- 6 -- 20MHz bandwidth -- 60 -- mVp-p 100% load -- -- ±0.03 %/°C 10%-100% load Ripple & Noise* Temperature Drift Coefficient Output Short Circuit Protection** 3.3/5/12/15VDC input -- % Continuous, self-recovery 24VDC input -- -- 1 s Typ. Max. Unit Note: * Ripple and noise tested with “parallel cable” method, please see DC-DC Converter Application Notes for specific operation methods. **Supply voltage must be discontinued at the end of short circuit duration for 24V input. General Specifications Item Operating Conditions Min. Isolation Resistance Input-output, with the test time of 1 minute and the leak current lower than 1mA Input-output, Isolation voltage 500VDC Isolation Capacitance Input-output, 100KHz/0.1V Operating Temperature Derating if the temperature ≥100℃, (see Fig. 2) Isolation Voltage 3000 Storage Temperature Casing Temperature Rise Ta=25°C Welding spot is 1.5mm away from the casing, 10 seconds Pin Welding Resistance Temperature -- -- VDC 1000 -- -- MΩ -- 20 -- pF -40 -- 105 -55 -- 125 -- 25 -- -- -- 300 Peak temp.≤245℃, maximum duration time≤60s at 217℃. For actual application, please refer to IPC/JEDEC J-STD-020D.1. Reflow Soldering Temperature Storage Humidity Non-condensing -- -- Switching Frequency 100% load, nominal input voltage -- 100 MTBF MIL-HDFK-217F@25°C 3500 -- 95 % 300 KHz -- Physical Specifications Casing Material Black flame-retardant heat-proof epoxy resin (UL94-V0) Package Dimensions 15.24*11.20*7.25 mm Weight 1.8g (Typ.) Cooling Method Free air convection EMC Specifications EMI EMS °C Conducted disturbance CISPR22/EN55022 CLASS B (see Fig. 4 for recommended circuit) Radiated emission CISPR22/EN55022 CLASS B (see Fig. 4 for recommended circuit) Electrostatic discharge IEC/EN61000-4-2 Contact ±6KV perf. Criteria B Product Characteristic Curve RT4-D3WR2014.10-A-1 Page 2 of 4 K hours DC/DC Converter RT4-D3WR Series Tole ra nc e Enve lop e G ra p h O utput Pow er Perce nt(%) Te mp e ra ture De ra ting C urve +10% Typ ic a +5% l Lo a d Ra te d O utp ut Vo lta g e C u rv e +2.5% O utp ut Vo lta g e Ac c ura c y(%) -2.5% -7.5% 50 70 100 120 100 Outp ut C urre nt Pe rc e nta g e (%) (Nomina l Inp ut Volta g e ) Sa fe Ope ra ting Are a 40 20 0 -40 40 100 105 0 Environment Te mp.(℃ ) Fig. 2 Effic ienc y Vs Output Load(Vin=Vin-nom inal) Efficiency Vs Input Voltage (Full Load) 100 100 95 90 90 80 85 70 E0505XT1WAR2 80 Efficie ncy(%) Efficie ncy(%) 60 RT4-0505D10D3WR Fig. 1 75 70 65 E0505XT1WAR2 60 50 40 30 60 20 55 10 0 50 4.5 4.6 4.7 4.8 4.9 5 10 5.1 5.2 5.3 5.4 5.5 Input Volta ge (V) 20 Efficiency Vs Input Voltage (Full Load) 30 40 50 60 70 80 90 100 Outp ut Curre nt Pe rc e nta g e (%) RT4-1205D10D3WR Efficiency Vs Output Load(Vin=Vin-Nominal) 100 100 95 90 90 E1205XT1WAR2 80 85 E1205XT1WAR2 80 75 70 65 60 Efficie ncy(%) Efficie ncy(%) 80 70 60 50 40 30 20 55 10 50 0 10.8 11.1 11.4 11.7 12.0 12.3 12.6 12.9 13.2 10 20 30 40 50 60 70 80 90 100 Output Curre nt Pe rce nta ge (%) Input Volta ge (V) Design Reference 1. Typical application If it is required to further reduce input and output ripple, a filter capacitor can be connected to the input and output terminals, see Fig.3. Moreover, choosing suitable filter capacitor is very important, start-up problems may be caused by too large capacitance. To ensured the modules running well, the recommended capacitive load values as shown in Table 1. Recommended capacitive load value table (Table 1) +Vo Vin Cin DC DC Cout GND -Vo Fig.3 Vin(VDC) Cin(µF) Vo (VDC) Cout(µF) 3.3 4.7 ±5 4.7 5 4.7 ±9 2.2 12 2.2 ±12 1 15 2.2 ±15 1 24 1 ±24 0.47 It is not recommended to connect any external capacitor when output power is less than 0.5W. RT4-D3WR2014.10-A-1 Page 3 of 4 DC/DC Converter RT4-D3WR Series 2. EMC typical recommended circuit LDM Vin Vin +Vo Input voltage (VDC) DC/ DC C1 G ND G ND C2 LO AD -V0 EMI 3.3/5/12/15/24 C1 4.7µF /50V C2 Refer to the Cout in Fig.3 LDM 6.8µH Fig. 4 3. Output load requirements To ensure the module work efficiently and reliably, during the operation, the min. output load should be no less than 10% of the full load. If the actual output power is low, please connect a resister to the output terminal in parallel, with a recommenced resistance which is 10% of the rated power, and derating is required during operation. 4. For more information please find the application notes on www.rsg-electronic.de Dimensions and Recommended Layout Notes: 1. Packing Information please refer to 'Product Packing Information'. Packing bag number: 58210023; 2. If the product is operated under the min. required load, the product performance cannot be guaranteed to comply with all performance indexes in this datasheet; 3. The max. capacitive load should be tested within the input voltage range and under full load conditions; 4. Unless otherwise specified, data in this datasheet should be tested under the conditions of Ta=25°C, humidity<75% when inputting nominal voltage and outputting rated load; 5. All index testing methods in this datasheet are based on our Company’s corporate standards; 6. The performance indexes of the product models listed in this manual are as above, but some indexes of non-standard model products will exceed the above-mentioned requirements, and please directly contact our technicians for specific information; 7. We can provide product customization service; 8. Specifications of this product are subject to changes without prior notice. RT4-D3WR2014.10-A-1 Page 4 of 4