defining the quality of power through innovation picorpower.com rev 2.0 6/07 33282 800-735-6200 active emi input filters (qpi series) for 24/28 v and 48/60 v bus applications qpi us and foriegn patents pending ?082 0325a phil 25 mm 25 mm 4.5 mm up to 60 db cm attenuation at 250 khz up to 80 db dm attenuation at 250 khz efficiency: >99% at full load high density, low profile lga package integrated hot-swap in select models -40 to +100c pcb temperature tv approved saves up to 50% board space vs. standard filters compatible with most dc-dc converters the qpi family of active emi filters provides conducted common-mode (cm) and differential-mode (dm) attenuation from 150 khz to 30 mhz (cispr22 range). the proprietary active filtering circuit provides superior attenuation at low frequencies intended to support en class b limits, including picmg ? 3.0 for atca boards. in comparison to passive solutions, the use of active filtering reduces the volume of the common-mode choke, providing a low profile, surface mount device. smaller size saves valuable board real estate and the reduced height enhances airflow in blade applications. quietpower? product description features part numbering qpi+ sw bus+ active emi filter qpi- shield hot-swap function powergood shield ov sw uven bus- bus+ pwrgd qpi+ qpi- qpi-8 conducted emi scans showing qpi performance. blue trace = no qpi; red trace = with qpi. block diagram, qpi with integrated hot-swap part number input nominal current cm attenuation dm attenuation hipot integrated package (z = rohs) voltage range rating @250 khz @250 khz hot-swap qpi-3l ( z) 24/28 vdc 10 ? 40 vdc 7 a 60 db 80 db 707 vdc ? full qpi-4l ( z) 48/60 vdc 30 ? 80 vdc 7 a 40 db 70 db 1,500 vdc ? full qpi-5l ( z) 24/28 vdc 10 ? 40 vdc 14 a 60 db 80 db 707 vdc ? full qpi-6l ( z) 48/60 vdc 30 ? 80 vdc 14 a 40 db 80 db 1,500 vdc ? full qpi-7l ( z) 24/28 vdc 18 ? 38 vdc 6 a 50 db 80 db 707 vdc yes full qpi-8l ( z) 48/60 vdc 32 ? 76 vdc 6 a 40 db 70 db 1,500 vdc yes full qpi-7,8 picmg ? 3.0 atca applications networking and communications fan tray assemblies telecom industrial military applications qpi evaluation boards available for more information, go to picorpower.com class b limit
defining the quality of power through innovation picorpower.com rev 2.0 6/07 33282 800-735-6200 part number input nominal current cm attenuation dm attenuation hipot integrated package (z = rohs) voltage range rating @1 mhz @1 mhz hot-swap qpi-9l ( z) 24/28 vdc 18 ? 38 vdc 6 a 65 db 80 db 707 vdc yes full qpi-10l ( z) 48/60 vdc 32 ? 76 vdc 6 a 45 db 70 db 1,500 vdc yes full qpi-11l ( z) 24/28 vdc 5 ? 50 vdc 7 a 65 db 80 db 707 vdc ? half qpi-12l ( z) 48/60 vdc 10 ? 80 vdc 7 a 45 db 70 db 1,500 vdc ? half v ? i chip input emi filters (qpi series) optimized for v ? i chip applications qpi-12l us and foriegn patents pending ?087 0550a phil qpi-10l us and foriegn patents pending ?079 0650a phil 12.5 mm 25 mm 25 mm 4.5 mm full size half size 24/28 v and 48/60 v models up to 65 db cm attenuation at 1 mhz up to 80 db dm attenuation at 1 mhz efficiency >99% low profile lga package integrated hot-swap in select models supports picmg ? 3.0 atca applications -40 to +100c pcb temperature tv approved these qpi filters, optimized for v ? i chips, are 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. designed for the telecom, industrial and military bus ranges, the v?i chip emi filter supports filtering system boards to the en55022 class b limits. quietpower? product description features part numbering qpi-12 attenuation curves total conducted noise of p048k048t24if & v048k120t025 with qpi-12. picmg ? 3.0 atca applications networking and communications fan tray assemblies telecom industrial military applications qpi evaluation boards available for more information, go to picorpower.com
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