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ML4800CP Datasheet (PDF) - Fairchild Semiconductor

ML4800CP Datasheet PDF - Fairchild Semiconductor
Part # ML4800CP
Download  ML4800CP Download

File Size   119.76 Kbytes
Page   14 Pages
Manufacturer  FAIRCHILD [Fairchild Semiconductor]
Direct Link  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor
Description Internally synchronized leading-edge PFC and trailing-edge PWM in one IC

ML4800CP Datasheet (PDF)

Go To PDF Page Download Datasheet
ML4800CP Datasheet PDF - Fairchild Semiconductor

Part # ML4800CP
Download  ML4800CP Click to download

File Size   119.76 Kbytes
Page   14 Pages
Manufacturer  FAIRCHILD [Fairchild Semiconductor]
Direct Link  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor
Description Internally synchronized leading-edge PFC and trailing-edge PWM in one IC

ML4800CP Datasheet (HTML) - Fairchild Semiconductor

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ML4800CP Product details

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




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About Fairchild Semiconductor


Fairchild Semiconductor was a pioneering semiconductor company that was founded in the late 1950s.
The company was known for its innovation in the development of the first commercial transistor and for its contributions to the advancement of the integrated circuit technology.
Fairchild became a leading supplier of power semiconductors, analog and mixed-signal integrated circuits, and other semiconductor products.
The company was acquired by ON Semiconductor in 2016 and its products and technologies continue to be developed and sold under the ON Semiconductor brand.

*This information is for general informational purposes only, we will not be liable for any loss or damage caused by the above information.




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