Controllers | NCP81149

单相稳压器，带 SVID 接口，适用于计算应用

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概览

NCP81149 是一款单相同步降压稳压器，集成了功率 MOSFET，可为新一代计算 CPU 提供高能效和紧凑占位的功率管理方案。该器件能够使用 SVID 接口在可调节输出上提供最高 14A TDC 输出电流。最高 1.2MHz 的运行开关频率允许采用更小尺寸的电感器和电容器，并且由于与高性能功率 MOSFET 的集成方案，保持了高能效。电流模式 RPM 控制带有来自输入电源和输出电压的前馈，可确保基于较宽的运行条件范围实现稳定运行。NCP81149 采用 QFN48 6x6mm 封装。

  • Industrial Applications
  • Ultrabook Applications
  • Notebook Applications
  • Integrated POL

  • Ultrabook
  • Notebook
  • Server

  • 4.5V to 25V Input Voltage Range
  • Support 11.5W and 15W ULT Platforms
  • Adjustable Output Voltage with SVID Interface
  • Integrated Gate Driver and Power MOSFETs
  • 500kHz ~ 1.2MHz Switching Frequency
  • Feedforward Operation for Input Supply Voltage and Output Voltage
  • Overcurrent, Over/Undervoltage, and Thermal protection

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NCP81149MNTXG

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CAD Model

Pb

A

H

P

QFN-48

485CJ

3

260

REEL

2500

N

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4.5

25

500 - 1200

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可靠性数据

Die Related Summary Data

Device: NCP81149MNTXG

Equivalent to wafer fab process: ONC25

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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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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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