Controllers | NCP5230

低电压同步降压控制器

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概览

NCP5230 是一个单相方案，具有差分相电流感应、同步输入、远程地面省电操作和门极驱动器，可提供精确的稳压电源。自适应非重叠门极驱动和节电运行电路，为服务器、笔记本电脑和台式机系统提供低开关损耗和高能效方案。提供高性能运行误差放大器，简化了系统的补偿。NCP5230 的功能还包括软启动序列、准确的过电压和过电流保护，用于电源轨的 UVLO，以及高温关断。

  • Desktop and Server Systems

  • High Performance Operational Error Amplifier
    Internal SoftStart/Stop
    0.5% Internal Voltage Accuracy, 0.8 V voltage reference
    OCP accuracy, Four Reentry Times Before Latch
    Lossless Differential Inductor Current Sensing
    Internal High Precision Current Sensing Amplifier
    Oscillator Frequency Range of 100 kHz 1000 kHz
    20 ns Adaptive FET Nonoverlap Time of Internal Gate Driver
    5.0 V to 12 V Operation
    Support 1.5 V to 19 V Vin
    Vout from 0.8 V to 3.3 V (5 V with 12 VCC)
    Chip Enable through OSC pin
    Latched Over Voltage Protection (OVP)
    Internally Fixed OCP Threshold
    Guaranteed Startup Into PreCharged Loads
    Thermally Compensated Current Monitoring
    Thermal Shutdown Protection
    Integrated MOSFET Drivers
    Integrated BOOST Diode with internal Rbst = 2.2
    Automatic Power Saving Mode to Maximize Efficiency During Light
    Load Operation
    Sync Function
    Remote Ground Sensing
    This is a PbFree Device

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NCP5230MNTWG

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Pb

A

H

P

QFN-16

485G-01

1

260

REEL

3000

N

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4.5

13.2

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可靠性数据

Die Related Summary Data

Device: NCP5230MNTWG

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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