DC/DC Converter A05_S-1WR3 & B05_LS-1WR3 Series FEATURES 1W isolated DC-DC converter Fixed input voltage and unregulated dual/single output Continuous short-circuit protection No-load input current as low as 5mA Operating temperature range: -40 to +105 High efficiency up to 85% I/O isolation test voltage 1.5k VDC Industry standard pin-out SIP package IEC62368, UL62368, EN62368 approved CB Patent Protection RoHS A05_S-1WR3 & B05_LS-1WR3 series are specially designed for applications where an isolated (two isolated) voltage is required in a distributed power supply system. They are suitable for: pure digital circuits, low frequency analog circuits, relay-driven circuits and data switching circuits. Selection Guide Input Voltage(VDC) Certification CE Part No. Full Load Capacitive Nominal Voltage Current(mA) (VDC) Max./Min. Efficiency(%) Min./Typ. Load(F)* (Range) A0503S-1WR3 3.3 152/15 70/74 1200 A0505S-1WR3 5 100/10 78/82 1200 A0509S-1WR3 9 56/6 79/83 470 A0512S-1WR3 12 42/5 79/83 220 A0515S-1WR3 15 34/4 79/83 220 24 21/3 81/85 100 3.3 303/30 70/74 2400 B0505LS-1WR3 5 200/20 78/82 2400 B0509LS-1WR3 9 111/12 79/83 1000 B0512LS-1WR3 12 84/9 79/83 560 B0515LS-1WR3 15 67/7 79/83 560 B0524LS-1WR3 24 42/4 81/85 220 A0524S-1WR3 UL/CE/CB Output B0503LS-1WR3 5 (4.5-5.5) Max. Note: *The specified maximum capacitive load for positive and negative output is identical. Input Specifications Item Current (full load / no-load) Operating Conditions Min. Typ. Max. 3.3VDC/5VDC output -- 270/5 286/10 9VDC/12VDC output -- 241/12 254/20 15VDC/24VDC output -- 241/18 254/30 -- 15 -- -0.7 -- 9 Reflected Ripple Current* Surge Voltage (1sec. max.) 5VDC input Input Filter Unit mA VDC Capacitance filter Hot Plug Unavailable Note: * Refer to DC-DC Converter Application Notes for detailed description of reflected ripple current test method. Output Specifications Item Operating Conditions Min. Voltage Accuracy Linear Regulation Typ. Max. Unit See output regulation curve(Fig. 1) Input voltage change: 1% 3.3VDC output -- -- 1.5 Others -- -- 1.2 2019.10.15-A/5 % Page 1 of 5 MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyright and right of final interpretation DC/DC Converter A05_S-1WR3 & B05_LS-1WR3 Series Load Regulation 10%-100% load Ripple & Noise* 20MHz bandwidth Temperature Coefficient 100% load 3.3VDC output -- 15 20 5VDC output -- 10 15 9VDC output -- 8 10 12VDC output -- 7 10 15VDC output -- 6 10 % 24VDC output -- 5 10 Others -- 30 75 24VDC output -- 50 100 -- 0.02 -- Short-circuit Protection mVp-p %/ Continuous, self-recovery Note: * The "parallel cable" method is used for Ripple and Noise test, please refer to DC-DC Converter Application Notes for specific information. General Specifications Item Operating Conditions Insulation Resistance Input-output Electric Strength Test for 1 minute with a leakage current of 1mA max. Input-output resistance at 500VDC Isolation Capacitance Input-output capacitance at 100kHz/0.1V Operating Temperature Derating when operating temperature85, (see Fig. 2) Isolation Storage Temperature Min. Typ. Max. Unit 1500 -- -- VDC 1000 -- -- M -- 20 -- pF -40 -- 105 -55 -- 125 3.3VDC output -- 25 -- Others -- 15 -- -- 300 Case Temperature Rise Ta=25 Pin Soldering Resistance Temperature Soldering spot is 1.5mm away from case for 10 seconds -- Storage Humidity Non-condensing -- -- 95 %RH Switching Frequency 100% load, nominal input voltage -- 270 -- KHz MTBF MIL-HDBK-217F@25 3500 -- -- K hours Mechanical Specifications Case Material Black plastic; fiame-retardant and heat-resistant (UL94 V-0) Dimensions 19.65 x 6.00 x 10.16mm Weight 2.1g(Typ.) Cooling Method Free air convection Electromagnetic Compatibility (EMC) Emissions Immunity CE CISPR32/EN55032 CLASS B (see Fig. 4 for recommended circuit) RE CISPR32/EN55032 CLASS B (see Fig. 4 for recommended circuit) ESD IEC/EN61000-4-2 Air 8kV , Contact 4kV perf. Criteria B Typical Characteristic Curves 3.3VDC output Others Fig. 1 2019.10.15-A/5 Page 2 of 5 MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyright and right of final interpretation DC/DC Converter A05_S-1WR3 & B05_LS-1WR3 Series Fig. 2 2019.10.15-A/5 Page 3 of 5 MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyright and right of final interpretation DC/DC Converter A05_S-1WR3 & B05_LS-1WR3 Series Design Reference 1.Typical application Input and/or output ripple can be further reduced, by connecting a filter capacitor from the input and/or output terminals to ground as shown in Fig.3. Choosing suitable filter capacitor values is very important for a smooth operation of the modules, particularly to avoid start-up problems caused by capacitor values that are too high. For recommended input and output capacitor values refer to Table 1. Dual Vin GND Cin DC DC Cout Cout +Vo Recommended capacitive load value table (Table 1) Vin Cin Single Vout Cout Dual Vout Cout (VDC) (F) (VDC) (F) (VDC) (F) 0V -Vo Single +Vo Vin GND Cin DC DC Cout 5 4.7 3.3/5 10 5 4.7 -- -- 9/12 2.2 9/12 1 -- -- 15/24 1 15/24 0.47 0V Fig. 3 2. EMC (CLASS B) compliance circuit Fig. 4 EMC recommended circuit value table (Table 2) Output voltage (VDC) C1/C2 Input voltage 5VDC EMI CY 3.3/5/9 4.7F /25V 4.7F /25V -- 1nF/4KVDC VISHAY HGZ102MBP TDK CD45-E2GA102M-GKA C3 LDM 12/15/24 Refer to the Cout in table 1 6.8H 6.8H Note: In the case of actual use, the requirements for EMI are high, it is subject to CY . 3. For additional information please refer to DC-DC converter application notes on www.mornsun-power.com 2019.10.15-A/5 Page 4 of 5 MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyright and right of final interpretation DC/DC Converter A05_S-1WR3 & B05_LS-1WR3 Series Dimensions and Recommended Layout Notes: 1. 2. 3. 4. 5. 6. 7. 8. For additional information on Product Packaging please refer to www.mornsun-power.com. Packaging bag number: 58200001; 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 corporate standards; We can provide product customization service, please contact our technicians directly for specific information; Products are related to laws and regulations: see "Features" and "EMC"; Our products shall be classified according to ISO14001 and related environmental laws and regulations, and shall be handled by qualified units. Mornsun Guangzhou Science & Technology Co., Ltd. Address: No. 5, Kehui St. 1, Kehui Development Center, Science Ave., Guangzhou Science City, Huangpu District, Guangzhou, P. R. China Tel: 86-20-38601850 Fax: 86-20-38601272 E-mail: info@mornsun.cn www.mornsun-power.com 2019.10.15-A/5 Page 5 of 5 MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyright and right of final interpretation