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WRA1224YD-20W Datasheet(PDF) 2 Page - Microdc power Technology Co., Ltd |
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WRA1224YD-20W Datasheet(HTML) 2 Page - Microdc power Technology Co., Ltd |
2 / 3 page WR WRA- A-YD- YD-2 20W 0W& &WRB WRB--YD- YD-2 20W 0W Series(2.16) Series(2.16) 2 http://www.microdc.cn Technical Enquiries-Email:tech@microdc.cn Tel:0086-20-86000646 Page 2 of 3 TYPICAL TYPICAL CHARACTERISTICS CHARACTERISTICS Temperature Derating Graph TEMPERATURE TEMPERATURE CHARACTERISTICS CHARACTERISTICS Parameter Conditions Min. Typ. Max. Units Output voltage accuracy Refer to recommended circuit ±1 ±3 % Over load protection Input voltage range 120 130 150 % Output Short Circuit Input voltage range Hiccup,automatics recovery Load regulation From 10% to 100% load ±0.5 ±1 % Trim ±10%Vo VDC Temperature drift (Vout) 0.02 %/℃ Line regulation Input voltage from low to high ±0.2 ±0.5 % Ripple&Noise Tested under 20MHz brand 50 75 150 mV Transient recovery time 25% load change 200 300 us Transient peak deviation ±2 ±3 ±5 % Over voltage protection 3.3V 3.63 4.29 VDC 5V 5.5 6.5 VDC 12V 13.2 15.6 VDC 15V 16.5 19.5 VDC 24V 26.4 31.2 VDC Note: 1. All specifications are measured at TA=25°C, humidity<75%, nominal input voltage and rated output load unless otherwise specified. 2. The CTRL control pin voltage is referenced to GND. 3. Typical efficiency value at nominal input voltage and full load. 4. Capacitor MAX load tested at nominal input voltage and constant resistive load. 5. Refer to the diagram of Output Voltage trim up/down for trim applications. 6. The products cannot be used in parallel and in plug and play. Case material DERATING DERATING& & EFFICIENCY EFFICIENCY CURVE CURVE Requirement on output load In order to ensure the product operate efficiently and reliably,in addition to a max load(namely full load), a minimum load is specified for this kind of DC/DC converter.Make sure the specified range of input voltage is not exceeded,the minimum output load no less than 10% load.If the actual load is less than the specified minimum load, the output ripple may increase sharply while its efficiency and reliability will reduce greatly.If the actual output power is very small,please add an appropriate resistor as extra loading,or contact our company for other lower output power products. Curve of Efficiency VS input Voltage WRB2424YD-20W No parallel connection or plug and play RECOMMENDED RECOMMENDED CIRCUIT CIRCUIT Output Graph In order to obtain better performance for the DC/DC models.it’s recommended that use input and output filters as Fig.1 shown. L:12uH C:100uF/100V OUTPUT OUTPUT VOLTAGE VOLTAGE TRIM TRIM Output Graph Curve of Efficiency VS output load WRB2424YD-20W |
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