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PA1314NL Datasheet(PDF) 1 Page - Pulse A Technitrol Company |
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PA1314NL Datasheet(HTML) 1 Page - Pulse A Technitrol Company |
1 / 2 page PA1312AHL 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.pulseelectronics.com 53 SPM2007 (1/11) smt POWer inductOrs Power Beads - PA131xNL Series Coupled Inductors mechanical schematic electrical specifications @ 25°c — Operating temperature -40°c to +130°c PA1312NL Pulse Part No. Number of Coupled Phases Equlavent1 Transient Inductance per Phase (nH ±20%) Irated2 per Phase (Adc) Open Circuit Ind. per Phase3 nH ±20%, 0Adc Open Circuit Ind. per Phase3 nH Min, 5Adc DCR/Phase4 (mW) L1 L2 L3 L4 L5 L1 L2 L3 L4 L5 TYP MAX (1-2) (3-4) (5-6) (7-8) (9-10) (1-2) (3-4) (5-6) (7-8) (9-10) 0.425 0.5 PA1312NL 2 50 40 310 310 − − − 240 240 − − − PA1313NL 3 50 40 370 450 370 − − 285 350 285 − − 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 In a non-coupled multi-phase topology, the power supply 1. sees the same inductance 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 induc- tance 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 topol- ogy 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. The rated current per phase is based on Volterra’s testing of the 2. Pulse coupled inductors. The open-circuit inductance per phase is the measured inductance 3. (at specified current) across each phase when all other phases are open-circuit. The open circuit inductance is equal to the magne- tizing inductance per phase (Lm) plus the equivalent transient inductance (Lk). The nominal value of DCR/phase is for reference only. For produc- 4. tion testing, the maximum limit is used. Notes Gen 1.0 Coupled Inductors (2,3,4 and 5 phases) For use only with Volterra 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 • Halogen Free ����� ����� ���� ���� ������������������ ���������������������� ����� ����� ���� ���� ����� ����� ������������ ������������ Unless otherwise specified, all tolerances are ± .010 0,25 Weight ...... 3.0 grams Tape & Reel ... 650/reel Tray .......... 60/tray Dimensions: Inches mm |
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