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PA1314NL 데이터시트 PDF




Pulse에서 제조한 전자 부품 PA1314NL은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


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부품번호 PA1314NL 기능
기능 SMT POWER INDUCTORS
제조업체 Pulse
로고 Pulse 로고


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PA1314NL 데이터시트, 핀배열, 회로
SMT POWER INDUCTORS
Power Beads - PA131xNL Series Coupled Inductors
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
Electrical Specifications @ 25°C — Operating Temperature -40°C to +130°C
Pulse
Part No.
Number
of
Coupled
Phases
Equivalent1
Transient
Inductance
per Phase
(nH)
Irated2
per
Phase
(Adc)
Magnetizing Inductance per Phase3
nH ±20%, 0Adc
L1 L2 L3 L4 L5
(1-2) (3-4) (5-6) (7-8) (9-10)
Magnetizing Inductance per Phase4
nH MIN, 5Adc
L1 L2 L3 L4 L5
(1-2) (3-4) (5-6) (7-8) (9-10)
DCR/Phase5
(mΩ)
TYP MAX
PA1312NL
2
50
40 310 310
-
-
-
240 240
-
-
-
PA1313NL
PA1314NL
3
4
50
40 370 450 370 -
- 285 350 285 -
- 0.425 0.5
50
40 370 490 490 370
-
285 385 385 285 -
PA1315NL
5
50 40 370 470 490 470 390 285 365 385 365 285
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.
Mechanical
Schematic
PA1312NL
1.782,209MAX
PA1312NL
Date Code Country of Origin
1 23 4
.354
9,00
MAX
.354
9,00
Weight . . . . . . . . . . .3.0 grams
Tape & Reel . . . . . . . .650/reel
Tray . . . . . . . . . . . . . . .60/tray
Dimensions: Inches
mm
Unless otherwise specified, all tolerances are ± .010
0,25
4X
.134
3,40
2X
.193
4,90
SUGGESTED PAD LAYOUT
.205
5,20
MAX
.732
18,60
.217
5,50
TAPE & REEL LAYOUT
.366
9,30
L1 L2
1 23 4
.630
16,00
.559
14,20
1.260 ± .012
32.00 ± 0,30
USER DIRECTION OF FEED
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)





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