Controllers | NCP5222

同步降压控制器，2 沟道，2 相

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概览

NCP5222 是一款快速瞬变响应和高能效双沟道两相降压控制器，带内置门极驱动器。它为笔记本电源系统提供了多功能电源方案。 两个沟道或相之间的 180 度交错运行能够降低公共输入电容器的成本，提高抗扰性。 交错运行还可降低两相配置的输出电容器的成本。 采用输入电源电压前馈控制来处理较宽的输入电压范围。在线编程和自动节电控制确保整个负载范围内的高能效。 快速瞬变响应降低了输出滤波器的数量要求。 在双沟道运行模式下，两个输出电源轨单独调节。在两相运行模式下，两个输出电源轨通过外部开关联接在一起，启用了电流共享控制来平衡相之间的电源输送。

  • CPU Chipsets Power Supplies
  • Notebook Applications
  • Power Supplies
  • Notebooks
  • Wide input voltage range
  • Adjustable output voltage range
  • Option for dual channel and two phase modes
  • 180 Interleaved Operation Between the Two Channels in ContinueConductionMode (CCM)
  • Fasttransient response and high efficiency dual channel / twophase buck controller with builtin gate drivers

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NCP5222MNR2G

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Obsolete

CAD Model

Pb

A

H

P

QFN-28

485AR

1

260

REEL

4000

N

Step-Down

2

Current/Voltage Mode

4.5

27

300

Price N/A

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