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PBK-1-5 Datasheet(PDF) 6 Page - CUI INC |
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PBK-1-5 Datasheet(HTML) 6 Page - CUI INC |
6 / 7 page cui.com date 03/25/2014 │ page 6 of 7 CUI Inc │ SERIES: PBK-1 │ DESCRIPTION: AC-DC POWER SUPPLY EMC RECOMMENDED CIRCUIT Recommended External Circuit Components MOV2 S10K300 CY1, CY2 1nF/400Vac CX 0.1μF/275Vac LCM 3.5mH LDM 5mH FUSE 1A/250V, slow blow Figure 3 Table 3 AC ( N ) AC( L) AC(L ) MOV 2 LC M CX CY 1 CY 2 AC-DC C1 + 5 FU SE 12 CY 0 10 7 AC ( N ) -V o +V o L1 + + C2 C3 TVS R L C4 LD M Notes: 1. C1 and C3 are electrolytic capacitors. They are required for both AC input and DC input. 2. For AC input, C1 is used as a filter capacitor. The recommended C1 value is 10 μF/400 V. 3. For DC input, C1 is used as an EMC filter capacitor. The recommended C1 value is 10μF/400V. When the input voltage is above 370VDC, we recommend a 10μF/450V capacitor. 4. C2 and C3 are output filer capacitors, we recommend high frequency and low impedance electrolytic capacitors. For capacitance and rated ripple current of capacitors refer to the datasheets provided by the manufacturers, voltage derating of capacitors should be 80% or above. 5. C4 is a ceramic capacitor which is used to filter high frequency noise. C2, C3 and L1 form a pi-type filter circuit. For current of L1 and L2 refer to the datasheets provided by the manufacturers, current derating should be 80% or above. TVS is a recommended component to protect post-circuits (if converter fails). We recommend using a 5D-9 external input NTC. 6. For standard EMC requirements, please refer to figure 2. If a higher EMC is required, please refer to figure 3. 7. All specifications measured at Ta=25C, humidity <75%, 115 Vac & 230 Vac input voltage, and rated output load, unless otherwise specified. Note: Also refer to Table 2. TYPICAL APPLICATION CIRCUIT 1 +Vo -Vo 10 12 AC( L) AC(N) C1 + 5 3 MOV1 7 AC-DC C2 C3 TVS RL + L1 (1) + C4 L2 CY0 Note: (1) is Pi filter circuit. Figure 2 Table 2 Recommended External Circuit Components V OUT (Vdc) C11 L2 C21 L11 C31 C4 CY0 FUSE1 TVS NTC MOV1 510μF/400V 1mH 150μF/35V 2.2μH68μF/35V 0.1μF/50V 1nF/400Vac 1A/250V SMBJ7.0A 5D-9 S14K350 910μF/400V 1mH 150μF/35V 2.2μH68μF/35V 0.1μF/50V 1nF/400Vac 1A/250V SMBJ12A 5D-9 S14K350 12 10μF/400V 1mH 100μF/35V 2.2μH68μF/35V 0.1μF/50V 1nF/400Vac 1A/250V SMBJ20A 5D-9 S14K350 15 10μF/400V 1mH 100μF/35V 2.2μH68μF/35V 0.1μF/50V 1nF/400Vac 1A/250V SMBJ20A 5D-9 S14K350 24 10μF/400V 1mH 100μF/35V 2.2μH68μF/35V 0.1μF/50V 1nF/400Vac 1A/250V SMBJ30A 5D-9 S14K350 Note: 1. Required components. For more information, please visit the product page. |
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