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PA1312NLT: 产品描述FIXED IND 310NH 40A 0.5 MOHM SMD; 产品类别无源元件; 文件大小939KB，共2页; 制造商Pulse_Electronics_Power; 标准

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PA1312NLT概述

FIXED IND 310NH 40A 0.5 MOHM SMD

PA1312NLT规格参数

参数名称	属性值
电感	310nH
容差	±20%
额定电流	40A
屏蔽	屏蔽
DC 电阻（DCR）	0.5 毫欧最大
工作温度	-40°C ~ 130°C
安装类型	表面贴装
封装/外壳	非标准
大小/尺寸	0.720" 长 x 0.354" 宽（18.29mm x 9.00mm）
高度 - 安装（最大值）	0.205"（5.20mm）

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smt POWer inductOrs

Power Beads - PA131xNL Series Coupled Inductors

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

electrical specifications @ 25°c — Operating temperature -40°c to +130°c

Pulse

Part No.

Number

Coupled

Phases

Equlavent

Transient

Inductance

per Phase

(nH ±20%)

Irated

per

Phase

(Adc)

Open Circuit Ind. per Phase

nH ±20%, 0Adc

(1-2)

310

370

(3-4)

310

450

490

470

(5-6)

−

370

490

(7-8)

−

370

470

(9-10)

−

390

Open Circuit Ind. per Phase

nH Min, 5Adc

(1-2)

240

285

(3-4)

240

350

385

365

(5-6)

−

285

385

(7-8)

−

285

365

(9-10)

−

285

DCR/Phase

(mW)

TYP

MAX

PA1312NL

PA1313NL

PA1314NL

PA1315NL

0.425

0.5

Notes

1. In a non-coupled multi-phase topology, the power supply

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.

2. The rated current per phase is based on Volterra’s testing of the

Pulse coupled inductors.

3. The open-circuit inductance per phase is the measured inductance

(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).

4. The nominal value of DCR/phase is for reference only. For produc-

tion testing, the maximum limit is used.

mechanical

PA1312NL

Weight

. . . . . . 3.0 grams

Tape & Reel

. . . 650/reel

Tray

. . . . . . . . . . 60/tray

Dimensions:

Inches

PA1312AHL

schematic

Unless otherwise specified, all tolerances are ± .010

0,25

½½½½½

½½½½½½

½½½½

½½½½½

½½½½½½½½½½½½½½½½½½

½½½½½½½½½½½½½½½½½½½½½½

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

SPM2007 (1/11)

PA1312NLT相似产品对比

	PA1312NLT	PA1314NLT
描述	FIXED IND 310NH 40A 0.5 MOHM SMD	FIXED IND 370NH 40A 0.5 MOHM SMD
电感	310nH	370nH
容差	±20%	±20%
额定电流	40A	40A
屏蔽	屏蔽	屏蔽
DC 电阻（DCR）	0.5 毫欧最大	0.5 毫欧最大
工作温度	-40°C ~ 130°C	-40°C ~ 130°C
安装类型	表面贴装	表面贴装
封装/外壳	非标准	非标准
大小/尺寸	0.720" 长 x 0.354" 宽（18.29mm x 9.00mm）	0.720" 长 x 0.354" 宽（18.29mm x 9.00mm）
高度 - 安装（最大值）	0.205"（5.20mm）	0.205"（5.20mm）

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