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ML4800IP 数据表 (PDF) - Fairchild Semiconductor

ML4800IP Datasheet PDF - Fairchild Semiconductor
部件名 ML4800IP
下载  ML4800IP 下载

文件大小   154.96 Kbytes
  14 Pages
制造商  FAIRCHILD [Fairchild Semiconductor]
网页  http://www.fairchildsemi.com
标志 FAIRCHILD - Fairchild Semiconductor
功能描述 Power Factor Correction and PWM Controller Combo

ML4800IP Datasheet (PDF)

Go To PDF Page 下载 数据表
ML4800IP Datasheet PDF - Fairchild Semiconductor

部件名 ML4800IP
下载  ML4800IP Click to download

文件大小   154.96 Kbytes
  14 Pages
制造商  FAIRCHILD [Fairchild Semiconductor]
网页  http://www.fairchildsemi.com
标志 FAIRCHILD - Fairchild Semiconductor
功能描述 Power Factor Correction and PWM Controller Combo

ML4800IP 数据表 (HTML) - Fairchild Semiconductor

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ML4800IP 产品详情

General Description
The ML4800 is a controller for power factor corrected, switched mode power supplies. Power Factor Correction (PFC) allows the use of smaller, lower cost bulk capacitors, reduces power line loading and stress on the switching FETs, and results in a power supply that fully complies with IEC1000-3-2 specification. Intended as a BiCMOS version of the industry-standard ML4824, the ML4800 includes circuits for the implementation of leading edge, average current, “boost” type power factor correction and a trailing edge, pulse width modulator (PWM). It also includes a TriFault Detect™ function to help ensure that no unsafe conditions will result from single component failure in the PFC. Gate-drivers with 1A capabilities minimize the need for external driver circuits. Low power requirements improve efficiency and reduce component costs.
An over-voltage comparator shuts down the PFC section in the event of a sudden decrease in load. The PFC section also includes peak current limiting and input voltage brownout protection. The PWM section can be operated in current or voltage mode, at up to 250kHz, and includes an accurate 50% duty cycle limit to prevent transformer saturation.

Features
• Internally synchronized leading-edge PFC and trailing-
   edge PWM in one IC
• TriFault Detect™ for UL1950 compliance and enhanced
   safety
• Slew rate enhanced transconductance error amplifier for
   ultra-fast PFC response
• Low power: 200µA startup current, 5.5mA operating
   current
• Low total harmonic distortion, high PF
• Reduced ripple current in storage capacitor between PFC
   and PWM sections
• Average current, continuous boost leading edge PFC
• PWM configurable for current-mode or voltage mode
   operation
• Current fed gain modulator for improved noise immunity
• Overvoltage and brown-out protection, UVLO, and soft
   start




类似零件编号 - ML4800IP

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类似说明 - ML4800IP

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关于 Fairchild Semiconductor


Fairchild半导体是一家开创性的半导体公司,成立于1950年代后期。
该公司以其在第一个商业晶体管的开发方面的创新而闻名,以及对综合电路技术发展的贡献。
Fairchild成为电力半导体,模拟和混合信号综合电路以及其他半导体产品的领先供应商。
该公司是在2016年被ON半导体收购的,其产品和技术继续在ON半导体品牌下开发和出售。

*此信息仅供一般参考,对于因上述信息造成的任何损失或损害,我们概不负责。




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