NCP81245 是 3 轨多相降压方案，针对具有 3/2/1 + 3/2/1 + 1 相（其中包括执行 4/3/2/1 + 2/1 + 1）用户配置的 Intel IMVP8 兼容 CPU 进行了优化。该控制器结合了真正的差分电压检测、电感器 DCR 电流检测，输入电压前馈和自适应电压定位功能，可为笔记本电脑应用提供精确的稳压电源。该多相轨控制系统基于组合了 DCR 电流感应的双边脉宽调制 (PWM)，以较低的系统成本提供对于动态负载事件的最快初始响应。 单相控制器可用于 SA 或 GTUS 电源轨。 它利用了安森美半导体获得专利的高性能 RPM 运行。RPM 控制可最大化瞬变响应，同时允许在非连续频率缩放运行和连续模式全功率运行之间平稳过渡。 单相电源轨具有一个超低偏移电流监控放大器，该放大器具有可编程偏移补偿功能，可实现超高精度电流监控。
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NCP81245MNTXG
Active
Pb
A
H
P
QFN-52
1
260
REEL
2500
Y
Step-Down
2/3/4
Voltage Mode
4.75
5.25
300 - 1200
$1.6535
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