DC/DC Converter A_S-1WR2 & B_LS-1WR2 Series 1W, Fixed input voltage, isolated & unregulated dual/single output FEATURES Ultra Compact SIP package Operating temperature range: -40 to +105 High efficiency up to 80% Isolation voltage: 1.5K VDC High power density No external component required International standard pin-out Patent Protection RoHS UL60950,EN60950 approval A_S-1WR2 & B_LS-1WR2 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 1500VDC); 3.Where do not has high requirement of line regulation and load regulation; Such as: pure digital circuits, low frequency analog circuits, relay-driven circuits and data switching circuits. Selection Guide Input Voltage (VDC) Certification Part No. UL/CE Output Voltage (Range) (VDC) Output Current (mA)(Max./Min.) 15 34/4 72/76 3.3 303/31 68/72 5 200/20 74/78 A0503S-1WR2 3.3 152/15 67/71 A0505S-1WR2 5 100/10 76/80 A0509S-1WR2 9 56/6 76/80 A0512S-1WR2 12 42/5 76/80 A0515S-1WR2 15 34/4 76/80 24 21/3 76/80 3.3 303/31 70/74 B0505LS-1WR2 5 200/20 76/80 B0509LS-1WR2 9 111/11 76/80 B0512LS-1WR2 12 84/9 76/80 B0515LS-1WR2 15 67/7 76/80 B0524LS-1WR2 24 42/5 76/80 B0303LS-1WR2 B0305LS-1WR2 A0524S-1WR2 -- UL/CE B0503LS-1WR2 A0909S-1WR2 -- UL/CE 5 (4.5-5.5) 9 56/6 76/80 34/4 76/80 A1203S-1WR2 3.3 152/15 72/76 A1205S-1WR2 5 100/10 76/80 A1209S-1WR2 9 56/6 76/80 A1212S-1WR2 12 42/5 76/80 15 34/4 76/80 24 21/3 76/80 B1203LS-1WR2 3.3 303/31 72/76 B1205LS-1WR2 5 200/20 76/80 B1209LS-1WR2 9 111/11 76/80 B1212LS-1WR2 12 84/9 76/80 A1224S-1WR2 UL/CE 3.3 (2.97-3.63) @ Full Load 15 A0915S-1WR2 A1215S-1WR2 -- Efficiency (%,Min./Typ.) Nominal A0315S-1WR2 -- Output 9 (8.1-9.9) 12 (10.8-13.2) 2018.04.13-B/4 Max. Capacitive Load*(F) 100 220 100 220 100 220 Page 1 of 5 MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyright and right of final interpretation DC/DC Converter A_S-1WR2 & B_LS-1WR2 Series UL/CE -- B1215LS-1WR2 15 67/7 76/80 24 42/5 76/80 A1505S-1WR2 5 100/10 76/80 A1512S-1WR2 12 42/5 76/80 15 34/4 76/80 5 200/20 76/80 B1224LS-1WR2 12 (10.8-13.2) UL A1515S-1WR2 CE B1505LS-1WR2 -- B1512LS-1WR2 12 84/9 76/80 CE B1515LS-1WR2 15 67/7 76/80 A2405S-1WR2 5 100/10 76/80 A2409S-1WR2 9 56/6 76/80 A2412S-1WR2 12 42/5 76/80 A2415S-1WR2 15 34/4 76/80 24 21/3 76/80 3.3 303/31 70/74 5 200/20 76/80 B2409LS-1WR2 9 111/11 76/80 B2412LS-1WR2 12 84/9 76/80 B2415LS-1WR2 15 67/7 76/80 B2424LS-1WR2 24 42/5 76/80 UL/CE A2424S-1WR2 -- B2403LS-1WR2 B2405LS-1WR2 UL/CE 15 (13.5-16.5) 24 (21.6-26.4) 220 100 220 100 220 Note:*The capacitive loads of positive and negative outputs are identical. Input Specifications Item Input Current (full load / no-load) Surge Voltage (1sec. max.) Operating Conditions Min. Typ. Max. 3.3V input -- 426/30 --/70 5V input -- 281/25 --/60 9V input -- 142/20 --/60 12V input -- 106/15 --/50 15V input -- 84/10 --/35 24V input -- 54/7 --/30 3.3V input -0.7 -- 5 5V input -0.7 -- 9 9V input -0.7 -- 12 12V input -0.7 -- 18 15V input -0.7 -- 21 24V input -0.7 -- 30 -- 15 -- Reflected Ripple Current* Input Filter Unit mA VDC mA Capacitor filter Hot Plug Unavailable Note: * Reflected ripple current testing method please see DC-DC Converter Application Notes for specific operation. Output Specifications Item Operating Conditions Min. Output Voltage Accuracy Line Regulation Load Regulation Typ. Max. Unit See tolerance envelope graph (Fig. 1) Input voltage change: 1% 10%-100% load 3.3VDC output -- -- 1.5 Other output -- -- 1.2 3.3VDC output -- 18 -- 5VDC output -- 12 -- 9VDC output -- 9 -- 12VDC output -- 8 -- 15VDC output -- 7 -- 24VDC output -- 6 -- 2018.04.13-B/4 -- % Page 2 of 5 MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyright and right of final interpretation DC/DC Converter A_S-1WR2 & B_LS-1WR2 Series Ripple & Noise* 20MHz bandwidth -- 60 150 mVp-p Temperature Drift Coefficient 100% load -- -- 0.03 %/ Output Short Circuit Protection** B03xxLS-1WR2/A24xxS-1WR2 /B24xxLS-1WR2 A0524S-1WR2/B0524LS-1WR2/A0315S-1WR2 -- -- 1 s others Continuous, self-recovery 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 B03xxLS-1WR2 series, A24xxS-1WR2 /B24xxLS-1WR2 series, and A0524S-1WR2/ B0524LS-1WR2/A0315S-1WR2 models. General Specifications Item Operating Conditions Insulation Resistance Input-output, with the test time of 1 minute and the leak current lower than 1mA Input-output, insulation voltage 500VDC Isolation Capacitance Input-output, 100KHz/0.1V Operating Temperature Derating if the temperature 85C, (see Fig. 2) Insulation Voltage Min. Typ. Max. Unit 1500 -- -- VDC 1000 -- -- M -- 20 -- pF -40 -- 105 Storage Temperature -55 -- 125 Casing Temperature Rise Ta=25 -- 25 -- Pin Welding Resistance Temperature Welding spot is 1.5mm away from the casing, 10 seconds -- -- 300 Storage Humidity Non-condensing -- -- 95 %RH Switching Frequency 100% load, nominal input voltage MTBF MIL-HDBK-217F@25 -- 100 -- KHz 3500 -- -- K hours Physical Specifications Casing Material Black flame-retardant heat-proof epoxy resin (UL94 V-0) Package Dimensions 19.50*6.00*9.30 mm Weight 2.4g(Typ.) Cooling methods Free air convection EMC Specifications CE EMI CISPR32/EN55032 CLASS B (see Fig. 4 for recommended circuit) RE EMS CISPR32/EN55032 CLASS B (see Fig. 4 for recommended circuit) ESD A_S-1WR2 IEC/EN61000-4-2 Contact 6KV perf. Criteria B B_LS-1WR2 IEC/EN61000-4-2 Contact 8KV perf. Criteria B Product Characteristic Curve Other output +10% Tolerance Envelope Cur ve +15% Output Voltage Accuracy Output Voltage Accuracy 3.3VDC output Max . +5% +1.0% 0 Ty p . -5% -7.5% M in. -10% -15% -15% 10% 20% 40% 60% 80% Tolerance Envelope Cur ve +10% Ty p . 0 +2.5% M in. -5% -2.5% -7.5% -10% 10% 20% 100% Max . +5% 40% 60% 80% 100% Output Current Percent (Nominal Input Voltage) Output Current Percentage (Nominal Input Voltage) Fig. 1 2018.04.13-B/4 Page 3 of 5 MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyright and right of final interpretation DC/DC Converter Output Pow er Per ce nt(% ) A_S-1WR2 & B_LS-1WR2 Series Temperature Derating Curve 120 100 80 60 Safe Oper ating Area 40 20 0 -40 40 85 105 0 Ambient Temp.( ) Fig. 2 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. Dual Vin GND Cin DC DC Cout Cout +Vo 0V -Vo Single +Vo Vin GND Cin DC DC Cout Recommended capacitive load value table (Table 1) Vin Cin Single Vout Cout Dual Vout Cout (VDC) (F) (VDC) (F) (VDC) (F) 3.3/5 4.7 3.3/5 10 9/12 15 24 3.3/5 4.7 2.2 9/12 2.2 9/12 1 2.2 15/24 1 15/24 0.47 1 -- -- -- -- 0V Fig.3 2018.04.13-B/4 Page 4 of 5 MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyright and right of final interpretation DC/DC Converter A_S-1WR2 & B_LS-1WR2 Series 2. EMC typical recommended circuit (CLASS B) LDM Vin +Vo Vin C1 GND DC/DC GND C2 LOAD -Vo (0V) 3.3/5/9/12 15/24 4.7F /50V Refer to the Cout in Fig.3 -1nF/2KV 6.8H Note: 1.15V/ 24V input series is subject to CY (CY : 1nF/2KV). 2. It is not needed to add the component in the peripheral circuit when parameter with the symbol of "--". CY Fig. 4 Input voltage (VDC) C1 C2 EMI CY LDM 3. Output load requirements In order to ensure the converter can work reliably with high efficiency, the minimum load should not less than 10% rated load when it is used. If the needed power is indeed small, please parallel a resistor on the output side ( The sum of the efficient power and resistor consumption power is not less than 10%). 4. For more information please find the application notes on www.mornsun-power.com Dimensions and Recommended Layout Note: 1. 2. 3. 4. 5. 6. 7. Packing information please refer to Product Packing Information which can be downloaded from www.mornsun-power.com. Packing bag number: 58200029; If the product is not operated within the required load range, the product performance cannot be guaranteed to comply with all parameters in the datasheet; The maximum capacitive load offered were tested at input voltage range and full load; Unless otherwise specified, parameters in this datasheet were measured under the conditions of Ta=25, humidity<75%RH with nominal input voltage and rated output load; All index testing methods in this datasheet are based on our Company's corporate standards; We can provide product customization service, please contact our technicians directly for specific information; Specifications are subject to change without prior notice. MORNSUN Guangzhou Science & Technology Co., Ltd. Address: No. 5, Kehui St. 1, Kehui Development Center, Science Ave., Guangzhou Science City, Luogang District, Guangzhou, P. R. China Tel: 86-20-38601850-8801 Fax: 86-20-38601272 E-mail: info@mornsun.cn 2018.04.13-B/4 Page 5 of 5 MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyright and right of final interpretation