Controllers | NCP81140

多相控制器，带 SVID 接口

Obsolete

数据表

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概览

NCP81140 是一款多相降压方案，适用于可兼容 Intel VR12.5 的 CPU，带有 4/3/2/1 用户可配置相位。该控制器组合了真正的差分电压感应、差分直感 DCR 电流感应、输入电压前馈和自适应电压定位，可为台式和笔记本应用提供准确调节的电源。该控制系统基于组合了 DCR 电流感应的双缘脉宽调制 (PWM)，提供了对于动态负载事件的最快速初始响应，降低了系统成本。它还可以在轻负载运行期间实现单相，并且可以在轻负载条件下自动进行频率缩放，同时保持优异的瞬变性能。

  • Industrial CPU based applications

  • Infotainment, Mobile, Automation, Medical and Security

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Product services, tools and other useful resources related to NCP81140

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Package Type

Case Outline

MSL Type

MSL Temp (°C)

Container Type

Container Qty.

ON Target

Topology

Phases

Control Mode

VCC Min (V)

VCC Max (V)

fSW Typ (kHz)

Reference Price

NCP81140MNTXG

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Obsolete

CAD Model

Pb

A

H

P

QFN-32

485CD

1

260

REEL

4000

N

Step-Down

-

Voltage Mode

4.75

5.25

600

Price N/A

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可靠性数据

Die Related Summary Data

Device: NCP81140MNTXG

Equivalent to wafer fab process: ONC25

产品技术

产品技术

等效器件小时

平均故障间隔时间/平均无故障时间（按小时计算）

FITS

ONC25

1

2712519294

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Re-calculate Data

Data is based on the following assumptions.

Note: The temperature and confidence level may be adjusted to your requirements.

Disclaimer: A reliability FIT rate calculated using this tool shall not be used for any functional safety purpose. In case a raw FIT rate needs to be estimated for a component which is targeted to be used in a safety critical application (i.e. compliant to ISO 26262 standard) it should be calculated according to generic safety standards (IEC62380, IEC61709, SN29500, FIDES, etc.)

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