单相同步降压稳压器,带集成功率 MOSFET,用于 VR12 嵌入式 CPU

Obsolete

概览

NCP81252 是一款单相同步降压稳压器,集成了功率 MOSFET,可为 VR12 嵌入式 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 14 A TDC 输出电流。最高 1.2 MHz 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。

  • Integrated POL

  • Ultrabook
  • Notebook
  • Server
  • Microservers , Storage devices , Embedded CPU's

  • 5V to 20V Input Voltage Range
  • 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
  • 5 V to 20 V Input Voltage Range
  • 0.9 V/1.35 V Fixed Boot Voltage
  • Adjustable Output Voltage with SVID Interface
  • Up to 14 A TDC Output Current
  • 500 kHz ~ 1.2 MHz Switching Frequency
  • Current−Mode RPM Control
  • Programmable SVID Address and ICCMax
  • Programmable DVID Feed−Forward to Support Fast DVID
  • Feedforward Operation for Input Supply Voltage and Output Voltage
  • Output Over−Voltage and Under−Voltage Protections
  • External Current Limitation Programming with Inductor Current Sense

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NCP81252MNTXG

CAD Model

Pb

A

H

P

QFN-48

3

260

REEL

2500

N

Step-Down

1

Voltage Mode

4.75

5.75

500 - 1200

Price N/A

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