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QPI-12LZ Datasheet(PDF) 1 Page - Vicor Corporation

Part # QPI-12LZ
Description  7 A V쨌I Chip EMI Filter
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Manufacturer  VICOR [Vicor Corporation]
Direct Link  http://www.vicorpower.com
Logo VICOR - Vicor Corporation

QPI-12LZ Datasheet(HTML) 1 Page - Vicor Corporation

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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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