pa1313nl Pulse Specialty Components, pa1313nl Datasheet
pa1313nl
Manufacturer Part Number
pa1313nl
Description
Smt Power Inductors
Manufacturer
Pulse Specialty Components
Datasheet
1.PA1313NL.pdf
(2 pages)
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SMT POWER INDUCTORS
Power Beads - PA131xNL Series Coupled Inductors
NOTES:
1. In a non-coupled multi-phase topology, the power supply sees the same induc-
www.pulseeng.com
PA1312NL
PA1313NL
PA1314NL
PA1315NL
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.
USA 858 674 8100
PA1312NL
Part No.
Pulse
Coupled
Number
Phases
of
2
3
4
5
• •
Germany 49 7032 7806 0
Mechanical
Equivalent
Electrical Specifications @ 25°C — Operating Temperature -40°C to +130°C
Inductance
per Phase
Transient
(nH)
50
50
50
50
1
Phase
Irated
(Adc)
per
40
40
40
40
• •
Singapore 65 6287 8998
2
(1-2)
310
370
370
370
Magnetizing Inductance per Phase
L1
Two, three, four and five phase Coupled Inductors for
VR10/VR11 applications
For use only with Volterra VT1105M
Coupled Inductors enable:
• Phase ripple current reduction due to AC magnetic field
• Improved efficiency due to lower peak currents
• Reduction in required output capacitance
• Faster transient response due to the ability to use lower
• Reduced overshoot/undershoot during load transients
• Frequency range up to 2MHz
(3-4)
310
450
490
470
L2
cancellation within the inductor core
effective inductance values
nH ±20%, 0Adc
(5-6)
370
490
490
L3
Weight . . . . . . . . . . .3.0 grams
Tape & Reel . . . . . . . .650/reel
Tray . . . . . . . . . . . . . . .60/tray
Dimensions: Inches
Unless otherwise specified, all tolerances are ± .010
-
• •
53
Shanghai
2.The rated current per phase is based on Volterra's testing of the Pulse
3.The magnetizing inductance per phase is the measured inductance (at 0Adc)
4.The magnetizing inductance per phase is the measured inductance (at 5Adc)
5.The nominal value of DCR/phase is for reference only. For production testing,
6.The VT1105M
(7-8)
coupled inductors.
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.
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.
the maximum limit is used.
Semiconductor Corporation.
370
470
L4
-
-
86 21 54643211 / 2
mm
(9-10)
390
L5
-
-
-
3
®
and VT1115M
(1-2)
Magnetizing Inductance per Phase
240
285
285
285
L1
• •
China 86 755 33966678
(3-4)
240
350
385
365
L2
nH MIN, 5Adc
®
are registered trademarks of Volterra
(5-6)
0,25
285
385
385
L3
®
-
, VT1115M
Schematic
(7-8)
285
365
L4
-
-
• •
SPM2007 (11/07)
(9-10)
Taiwan 886 3 4641811
285
L5
-
-
-
4
®
chipsets
DCR/Phase
0.425
TYP
(mΩ)
MAX
0.5
5
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pa1313nl Summary of contents
Page 1
... Pulse of Transient Part No. Coupled Inductance Phases per Phase (nH) PA1312NL 2 50 PA1313NL 3 50 PA1314NL 4 50 PA1315NL 5 50 NOTES non-coupled multi-phase topology, the power supply sees the same induc- tance during transient and steady-state conditions 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 ...
Page 2
... SMT POWER INDUCTORS Power Beads - PA131xNL Series Coupled Inductors Mechanical PA1313NL PA1314NL PA1315NL All Part Numbers: Dimensions: Inches mm Unless otherwise specified, all tolerances are ± .010 • • USA 858 674 8100 Germany 49 7032 7806 0 www.pulseeng.com Weight . . . . . . . . . . .4.5 grams Tape & Reel . . . . . . . .650/reel Tray ...