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LD12-20B24 Datasheet(PDF) 3 Page - MORNSUN Science& Technology Ltd. |
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LD12-20B24 Datasheet(HTML) 3 Page - MORNSUN Science& Technology Ltd. |
3 / 5 page The copyright and authority for the interpretation of the products are reserved by MORNSUN Specifications subject to change without notice. LD12-20BXX A/2-2012 Page3 of 5 TEMPERATURE VS LOAD INPUT VOLTAGE VS LOAD Load(%) Temperature(℃) 0 -40 55 70 50 40 100 60 80 Load(%) Input voltage(Vac) 20 40 100 60 80 100 240 85 264 70 3 40 1 20 370 20 40 100 60 80 100 70 Loa d( %) In pu t vo ltag e( Vd c) TYPICAL APPLICATIONS L +Vo -Vo L N N + N TC F USE C1 C2 T VS RL Figure 1: LD12-20BXX EMC application circuit L N + Vo - Vo AC -DC L N + Vo -Vo Figure 2: Note: This application is not supported for this series. Can use MORNSUN ’s FC-L01D2 OU TPUT 可使用我司模块FC-L01D2 N L N L L CM MO V1 MO V2 MO V3 R2 R1 R3 CX MO V4 MO V5 CY1 CY2 GD T4 ACDC FUSE Figure 3: LD12 series Recommended circuit for application require higher EMC standard (external circuit output same as above) Figure 4:EMC application circuit PCB layout Safety and recommend wiring: linewidth A ≥3mm,C≥9mm EXTERNAL CIRCUIT PARAMETERS Model C1 C2 TVS LD12-20B03 1 µF /50V 220 µF /10V SMBJ7.0A LD12-20B05 1 µF /50V 220 µF /10V SMBJ7.0A LD12-20B12 1 µF /50V 120 µF /25V SMBJ20A LD12-20B15 1 µF /50V 120 µF /25V SMBJ20A LD12-20B24 1 µF /50V 68 µF/50V SMBJ30A Note: 1. C1 is ceramic capacitor, it is used to filter high frequency noise. Output filtering capacitors C2 is electrolytic capacitors, It is recommended to use high frequency and low impedance electrolytic capacitors. For capacitance and current of capacitor please refer to manufacture ’s datasheet. Voltage derating of capacitor should be 80% or above. TVS is a recommended component to protect post-circuits (if converter fails). External input NTC model is recommended to use 5D-9. 2. For standard EMC requirement, please refer to figure 1, if higher EMC requirement, please refer to figure 3 . MOV1:561KD20; MOV2、MOV3:561KD14; MOV4、MOV5:561KD07; GDT4:B5G3600; CX:0.15 µF/300VAC; CY1、CY2:222M/400VAC; R1、R2:2 Ω/3W wirewound; R3:1M Ω/2W; LCM:10mH-30mH; FC-L01D2:4KV/6KV Surge protector。 3. FUSE:LD12 is recommended to use 3.15A/250V. |
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