方案
By Technology
NCP81246 是一款 3 轨多相降压方案,适用于兼容 Intel IMVP8 的 CPU。它包含两相和两个单相轨,支持以下配置中的核芯、GT 和 SA:2ph-1ph-1ph、1ph-2ph-1ph 和 1ph-1ph-1ph。该零件适用于笔记本和超极本电脑应用。 该两相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,可提供准确调节的电源。 两个单相控制器可用于核芯、GT 或 SA 轨。 均利用了安森美半导体的专利高性能 RPM 运行。RPM 控制最大程度提高了瞬变响应性能,可实现非连续频率缩放运行和连续模式全功率运行之间的平滑转换。 单相轨具有超低偏移电流监控放大器,带有可编程偏移补偿,用于超高准确性电流监控。NCP81246 提供三个内部 MOSFET 驱动器,和一个外部 PWM 信号。
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MSL Temp (°C)
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VCC Min (V)
VCC Max (V)
fSW Typ (kHz)
Reference Price
NCP81246MNTXG
Active
Pb
A
H
P
QFN-52
1
260
REEL
2500
Y
Step-Down
1/2
Voltage Mode
4.75
5.25
300 - 750
$1.2565
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可靠性数据
Die Related Summary Data
Device: NCP81246MNTXG
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.)