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ML4812CQ 数据表 (PDF) - Fairchild Semiconductor

ML4812CQ Datasheet PDF - Fairchild Semiconductor
部件名 ML4812CQ
下载  ML4812CQ 下载

文件大小   348.98 Kbytes
  16 Pages
制造商  FAIRCHILD [Fairchild Semiconductor]
网页  http://www.fairchildsemi.com
标志 FAIRCHILD - Fairchild Semiconductor
功能描述 Power Factor Controller

ML4812CQ Datasheet (PDF)

Go To PDF Page 下载 数据表
ML4812CQ Datasheet PDF - Fairchild Semiconductor

部件名 ML4812CQ
下载  ML4812CQ Click to download

文件大小   348.98 Kbytes
  16 Pages
制造商  FAIRCHILD [Fairchild Semiconductor]
网页  http://www.fairchildsemi.com
标志 FAIRCHILD - Fairchild Semiconductor
功能描述 Power Factor Controller

ML4812CQ 数据表 (HTML) - Fairchild Semiconductor

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ML4812CQ 产品详情

GENERAL DESCRIPTION
The ML4812 is designed to optimally facilitate a peak current control boost type power factor correction system. Special care has been taken in the design of the ML4812 to increase system noise immunity. The circuit includes a precision reference, gain modulator, error amplifier, over voltage protection, ramp compensation, as well as a high current output. In addition, start-up is simplified by an under-voltage lockout circuit with 6V hysteresis.
In a typical application, the ML4812 functions as a current mode regulator. The current which is necessary to terminate the cycle is a product of the sinusoidal line voltage times the output of the error amplifier which is regulating the output DC voltage. Ramp compensation is programmable with an external resistor, to provide stable operation when the duty cycle exceeds 50%.

FEATURES
■ Precision buffered 5V reference (±0.5%)
■ Current-input gain modulator reduces external
   components and improves noise immunity
■ Programmable ramp compensation circuit
■ 1A peak current totem-pole output drive
■ Overvoltage comparator helps prevent output
   voltage “runaway”
■ Wide common mode range in current sense
   comparators for better noise immunity
■ Large oscillator amplitude for better noise immunity




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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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