Controllers | NCP1589L

同步降压控制器，低电压，带轻型负载能效和瞬变性能增强

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NCP1589L 是一款低成本 PWM 控制器，运行电压为 5 V 到 12 V。此器件能够产生低至 0.8V 的输出电压，且能基于低至 2.5 V 的电压进行转换。它运行简单，提供了最佳集成水平，减小了电源尺寸，降低了成本。它以斜坡脉冲调制模式运行，可实现卓越的负载步进和释放响应。除了快速瞬变响应之外，它还包括了一个 1.5 A 门极驱动器设计和轻型负载能效特性，如自适应非覆盖电路和二极管仿真。它在连续电流导通模式下的正常运行范围为 200~500 kHz，降低了轻型负载下的电流，进一步实现了节电。保护特性包括可编程过电流保护、输出过电压和欠电压保护，以及输入欠压锁定。

  • Graphics Cards
    Desktop Computers
    Servers / Networking
    DSP & FPGA Power Supply
    DCDC Regulator Modules

  • VCC Range from 4.5 V to 13.2 V
    Adjustable Operating frequency
    Boost Pin Operates to 35 V
    Ramp Pulse Modulation Control
    Precision 0.8 V Internal Reference
    Adjustable Output Voltage
    Internal 1.5 A Gate Drivers
    Input Under Voltage Lockout
    Programmable Current Limit
    Adaptive Diode Mode Emulation in Light Load
    This is a PbFree Device

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NCP1589LMNTWG

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Pb

A

H

P

DFN-10

485C

1

260

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3000

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4.5

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Die Related Summary Data

Device: NCP1589LMNTWG

Equivalent to wafer fab process: ONC25

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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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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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