Catalog excerpts
AC/DC Converter LSxx-K3BxxSS Series Ultra-wide 85 - 305VAC and 70 - 430VDC input voltage range Operating ambient temperature range -40℃ to +85℃ Compact size, open frame High reliability, green power Industrial-grade design Flexible selection of EMC addtional circuits, simplify customer PCB layout Output short circuit, over-current protection EN62368 safety approval LSxx-K3BxxSS series is one of Mornsun’s highly efficient green power AC-DC Converter series. It features wide input voltage range, accepting both DC and AC input voltage, high efficiency and low power consumption. The products are widely used in industrial control instrumentation, electric power applications and smart home type applications, the need to meet UL/CE safety certifications and lower demand for EMC compliance levels. For extremely harsh EMC environment, we recommend using the application circuit show in Design Reference of this datasheet. Selection Guide Certification CE Output Power Nominal Output Voltage and Current(Vo/Io) 5V/200mA LS03-K3B12SS 3W 12V/250mA 73 330 Warning: Non-isolated power supply, there is no insulation protection between output and input dangerous voltage, beware of electric shock! Input Specifications Item Input Voltage Range Operating Conditions Input Frequency Input Current Inrush Current Recommended External Input Fuse Output Specifications Item Operating Conditions Output Voltage Accuracy Line Regulation Rated load Load Regulation Ripple & Noise* 20MHz bandwidth (peak-to-peak value) Temperature Coefficient Stand-by Power Consumption Short Circuit Protection Hiccup, continuous, self-recovery Over-current Protection Note: * The “parallel cable” method is used for ripple and noise test, please refer to AC-DC Converter Application Notes for specific information. MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyright
Open the catalog to page 1AC/DC Converter LSxx-K3BxxSS Series General Specifications Item Operating Conditions Operating Temperature Storage Temperature Storage Humidity Power Derating Safety Standard Safety Certification Mechanical Specifications Dimension Cooling method Electromagnetic Compatibility (EMC) CISPR32/EN55032 CLASS A (See Fig. 1 for typical application circuit) CISPR32/EN55032 CLASS B (See Fig. 2 for recommended circuit) CISPR32/EN55032 CLASS A (See Fig. 1 for typical application circuit) CISPR32/EN55032 CLASS B (See Fig. 2 for recommended circuit) IEC/EN61000-4-2 Contact ± 6KV / Air ± 8KV (See Fig. 1...
Open the catalog to page 2AC/DC Converter LSxx-K3BxxSS Series Design Reference 1. Typical application Note: C1 is used as filter capacitor(required), if the surge immunity index is to be met, the C1 capacitor needs to be connected to 22uF; Output filter: We recommend using an electrolytic capacitor with high frequency, high ripple current and low ESR rating for C2 refer to manufacture’s datasheet). Combined with L1, they form a pi-type filter circuit. Choose a Capacitor voltage rating with at least 20% margin, in other words not exceeding 80%. 2. EMC compliance recommended circuit Recommend Parameter FUSE (required)...
Open the catalog to page 3AC/DC Converter LSxx-K3BxxSS Series LSxx-K3BxxSS Dimensions and Recommended Layout Note: 1. For additional information on Product Packaging please refer to www.mornsun-power.com. Packaging bag number: 58220098; 2. External electrolytic capacitors are required to modules, more details refer to typical applications; 3. Unless otherwise specified, parameters in this datasheet were measured under the conditions of Ta=25℃, humidity<75%, nominal input 4. 5. 6. 7. 8. 9. voltage (115Vac and 230Vac) and rated output load; In order to improve the efficiency at light load, there will be audible noise...
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