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| usa 858 674 8100 ? ? germany 49 7032 7806 0 ? ? singapore 65 6287 8998 ? ? shanghai 86 21 54643211 / 2 ? ? china 86 755 33966678 ? ? taiwan 886 3 4641811 www.pulseeng.com 53 spm2007 (11/07) smt power inductors power beads - pa131xnl series coupled inductors mechanical schematic number equivalent 1 irated 2 magnetizing inductance per phase 3 magnetizing inductance per phase 4 dcr/phase 5 pulse of transient per nh 20%, 0adc nh min, 5adc (m ) part no. coupled inductance phase phases per phase (adc) l1 l2 l3 l4 l5 l1 l2 l3 l4 l5 typ max (nh) (1-2) (3-4) (5-6) (7-8) (9-10) (1-2) (3-4) (5-6) (7-8) (9-10) pa1312nl 2 50 40 310 310 - - - 240 240 - - - pa1313nl 3 50 40 370 450 370 - - 285 350 285 - - 0.425 0.5 pa1314nl 4 50 40 370 490 490 370 - 285 385 385 285 - PA1315NL 5 50 40 370 470 490 470 390 285 365 385 365 285 electrical specifications @ 25c ? operating temperature -40c to +130c notes: 1. in a non-coupled multi-phase topology, the power supply sees the same induc- tance during transient and steady-state conditions. as a result, any attempt to lower the inductance to improve transient response has the negative result of increasing ripple and peak currents throughout the system during steady-state operation. however, in a coupled inductor multi-phase topology, the interaction of magnetic fields from each phase enables an overall reduction in ripple current during steady-state operation and a lower equivalent inductance during transient operation. the equivalent transient inductance per phase, as listed, represents the actual value of inductance that would be required in an non-coupled topology to realize the same transient performance. this value is achieved by core and winding geometry and is not directly measured by pulse. for more information on the operation of the coupled inductor topology, please contact volterrra. 2.the rated current per phase is based on volterra's testing of the pulse coupled inductors. 3.the magnetizing inductance per phase is the measured inductance (at 0adc) across each phase when all other phases are open-circuit. this inductance is a pulse production measurement. although the equivalent inductance per phase during steady-state is significantly higher then the equivalent transient induc- tance as listed, it should not be confused with the magnetizing inductance. 4.the magnetizing inductance per phase is the measured inductance (at 5adc) across each phase when all other phases are open-circuit. this inductance is a pulse production measurement. this test is performed to verify that the induc- tor can withstand a phase-to-phase load imbalance of 5adc without saturating. 5.the nominal value of dcr/phase is for reference only. for production testing, the maximum limit is used. 6.the vt1105m ? and vt1115m ? are registered trademarks of volterra semiconductor corporation. two, three, four and five phase coupled inductors for vr10/vr11 applications for use only with volterra vt1105m ? , vt1115m ? chipsets coupled inductors enable: ? phase ripple current reduction due to ac magnetic field cancellation within the inductor core ? improved efficiency due to lower peak currents ? reduction in required output capacitance ? faster transient response due to the ability to use lower effective inductance values ? reduced overshoot/undershoot during load transients ? frequency range up to 2mhz pa1312nl weight . . . . . . . . . . .3.0 grams tape & reel . . . . . . . .650/reel tray . . . . . . . . . . . . . . .60/tray dimensions: inches mm unless otherwise specified, all tolerances are .010 0,25 . 3$ $ !# 8# 9:!'; < 0'(>(: *? *? *? "))$$!1!5e" , , !"#!!$$ %&' 3&*4 $4* 0. 0 **$ , , , 5 5 , usa 858 674 8100 ? ? germany 49 7032 7806 0 ? ? singapore 65 6287 8998 ? ? shanghai 86 21 54643211 / 2 ? ? china 86 755 33966678 ? ? taiwan 886 3 4641811 www.pulseeng.com 54 spm2007 (11/07) smt power inductors power beads - pa131xnl series coupled inductors mechanical schematic pa1313nl pa1314nl PA1315NL weight . . . . . . . . . . .4.5 grams tape & reel . . . . . . . .650/reel tray . . . . . . . . . . . . . . .45/tray weight . . . . . .6.0 grams tape & reel . . .550/reel tray . . . . . . . . . .30/tray weight . . . . . . . . . . .7.5 grams tape & reel . . . . . . . .500/reel tray . . . . . . . . . . . . . . .30/tray all part numbers: dimensions: inches mm unless otherwise specified, all tolerances are .010 0,25 . .$ $ !# 8# 9:!'; < 0'(>(: *? *? *? "))$$!1!5e" &34*& , . 1$ $ !# 8# 9:!'; < 0'(>(: *? *? *? "))$$!1!5e" &34*& , . 0$ $ !# 8# 9:!'; < 0'(>(: *? *? *? "))$$!1!5e" &34*& , , , , 5 5 , !"#!!$ $ %&' , , 3&*4 $4* 0. 0 **$ , , 5 5 , , !"#!!$ $ %&' , 3&*4 $4* 0. 0 **$ 5 5 , , , !"#!!$ $ %&' 3&*4 $4* 0. 0 **$ , , 5 5 , 5 5 , |
Price & Availability of PA1315NL
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