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QPI-12LZ Datasheet(PDF) 1 Page - Vicor Corporation |
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QPI-12LZ Datasheet(HTML) 1 Page - Vicor Corporation |
1 / 4 page Picor Corporation • www.picorpower.com QPI-12 Data Sheet Rev. 1.8 Page 1 of 4 7 A V·I Chip EMI Filter QPI-12 QUIETPOWER ® Features • > 40 dB CM attenuation at 1 MHz • > 60 dB DM attenuation at 1 MHz • 80 Vdc (max input) • 100 Vdc surge 100 ms • 1,500 Vdc hipot hold off to shield plane • 7 A rating • 12.4 x 25 x 4.5 mm SiP (System-in-Package) • Low profile LGA package • -40° to +100°C PCB temperature (see Figure 6) • Efficiency >99% • TÜV Certified Applications • Telecom and ATCA boards • V•I Chip input power filter Bus+ Bus+ Out+ QPI-12 Out– Bus– Cbus Shield Shield Bus– Cin Cy2 Cy1 Vi– Vo– Vo+ Vi+ Vo+ Vo– Vi– Vi+ PRM VTM Cin: Recommended input capacitance per Vicor requirement. Cy1 & Cy2: 4.7 nF, or recommended per Vicor requirement. Cbus: 47 uF, 50 V electrolytic in parallel with 2.2 µF, 100 V ceramic. Figure 2 – QPI-12 Typical application schematic Figure 1 – QPI-12, less than 1/2 in 2. Figure 3 – QPI-12 network analyzer attenuation curves Description The QPI-12 EMI filter is specifically designed to attenuate conducted common-mode (CM) and differential-mode (DM) noise of Vicor’s V•I Chip products to comply with the CISPR22 standard requirements for conducted noise measurements. The filter is designed to operate up to 80 Vdc and supports 7 A loads up to 60°C without derating. Designed for the telecom bus range, the V•I Chip EMI Filter supports the PICMG ® 3.0 specification for filtering system boards to the EN55022 Class B limits. ® |
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