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NCP1339开发板套件编程器的评估板-DC/DC与AC/DC(离线)SMPS规格书PDF中文资料

NCP1339
厂商型号

NCP1339

参数属性

NCP1339 包装为盒;类别为开发板套件编程器的评估板-DC/DC与AC/DC(离线)SMPS;产品描述:EVAL BOARD NCP1339CG

功能描述

High-Voltage, Quasi-Resonant Controller featuring Valley Lock-Out and Power Saving Mode
EVAL BOARD NCP1339CG

文件大小

444.66 Kbytes

页面数量

33

生产厂商 ON Semiconductor
企业简称

ONSEMI安森美半导体

中文名称

安森美半导体公司官网

原厂标识
数据手册

原厂下载下载地址一下载地址二到原厂下载

更新时间

2025-8-2 11:26:00

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NCP1339规格书详情

NCP1339属于开发板套件编程器的评估板-DC/DC与AC/DC(离线)SMPS。由安森美半导体公司制造生产的NCP1339评估板 - DC/DC 与 AC/DC(离线)SMPS该系列产品提供了一种方便的方法,可对开关模式电源转换所用的器件(包括 DC-DC 和 AC-DC 型)进行性能或特性评估。“稳压器”(包含内部电源开关装置)和“控制器”(设计为控制外部电源开关)之类的器件均包括在内。

The NCP1339 is a highly integrated quasi−resonant flyback

controller capable of controlling rugged and high−performance

off−line power supplies as required by adapter applications. With an

integrated active X−cap discharge feature and power savings mode,

the NCP1339 can enable no−load power consumption below 10 mW

for 45 W notebook adapters.

The quasi−resonant current−mode flyback stage features a

proprietary valley−lockout circuitry, ensuring stable valley switching.

This system works down to the 6th valley and toggles to a frequency

foldback mode to eliminate switching losses. When the loop tends to

force below 25−kHz frequencies, the NCP1339 skips cycles to contain

the power delivery.

To help build rugged converters, the controller features several key

protective features: an internal brown−out, a non−dissipative Over Power

Protection for a constant maximum output current regardless of the

input voltage, a latched over−voltage protection through a dedicated pin.

特性 Features

• High−voltage Current Source for Lossless Start−up Sequence

• X2 Capacitors Discharge Capability

• Power Savings Mode (PSM) for Extremely Low No−Load Power:

• Wide VCC Range from 10 V to 28 V

• Latching−off 28−V VCC Over−Voltage Protection

• Abnormal Overcurrent Fault Protection for Winding Short Circuit or Inductor Saturation Detection

• Integrated High−Voltage Startup Circuit with Brown−Out Detection

• Fault Input for Severe Fault Conditions, NTC Compatible for OTP

• Circuit Latching Off In Severe Fault Detection (OVP or OTP)

• Internal Temperature Shutdown

• Valley Switching Operation with Valley−Lockout for Noise−Free Operation

• Frequency Fold−back for Highest Performance in Standby Mode

• 25−kHz Clamp and Skip Mode

• Timer−Based Overload Protection (Latched or Auto−Recovery Options)

• Adjustable Overpower Protection

• 4−ms Soft−Start Timer

• ZCD Blanking Time to Ignore Leakage Ringing at Turn−Off:

3 us for C, D and E versions and 0.7 us for F, G, H, I and J versions

• Ready for High−Density QR design (F, G, H, I and J versions)

• These Devices are Pb−Free and are RoHS Compliant

产品属性

更多
  • 产品编号:

    NCP1339CGEVB

  • 制造商:

    onsemi

  • 类别:

    开发板,套件,编程器 > 评估板 - DC/DC 与 AC/DC(离线)SMPS

  • 包装:

  • 主要用途:

    AC/DC,主面

  • 输出和类型:

    1,隔离

  • 电压 - 输出:

    19V

  • 电流 - 输出:

    2.4A

  • 电压 - 输入:

    85 ~ 265 VAC

  • 稳压器拓扑:

    反激

  • 板类型:

    完全填充

  • 所含物品:

  • 使用的 IC/零件:

    NCP1339

  • 描述:

    EVAL BOARD NCP1339CG

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