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ML4804CP Scheda tecnica (PDF) - Fairchild Semiconductor

ML4804CP Datasheet PDF - Fairchild Semiconductor
Il numero della parte ML4804CP
Scarica  ML4804CP Scarica

Grandezza file   145.85 Kbytes
Page   14 Pages
Produttore elettronici  FAIRCHILD [Fairchild Semiconductor]
Homepage  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor
Spiegazioni elettronici Power Factor Correction and PWM Controller Combo

ML4804CP Datasheet (PDF)

Go To PDF Page Scarica Scheda tecnica
ML4804CP Datasheet PDF - Fairchild Semiconductor

Il numero della parte ML4804CP
Scarica  ML4804CP Click to download

Grandezza file   145.85 Kbytes
Page   14 Pages
Produttore elettronici  FAIRCHILD [Fairchild Semiconductor]
Homepage  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor
Spiegazioni elettronici Power Factor Correction and PWM Controller Combo

ML4804CP Scheda tecnica (HTML) - Fairchild Semiconductor

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ML4804CP Dettagli del prodotto

GENERAL DESCRIPTION

The ML4804 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 enhancement of the industry-standard ML4824, the ML4804 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. 1A gate-drive outputs minimize the need for external driver circuits. Low power requirements improve efficiency and reduce component costs.



FEATURES

■ Internally synchronized leading-edge modulated PFC and trailing-edge modulated PWM in one IC

■ TriFault DetectTM for UL1950 compliance and enhanced safety

■ VCCOVP provides additonal PFC fault protection

■ 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

■ Reduces ripple current in the storage capacitor between the PFC and PWM sections

■ Average current, continuous boost leading edge PFC

■ PWM configurable for current-mode or voltage mode operation

■ Overvoltage and brown-out protection, UVLO, and soft start



 




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A proposito di Fairchild Semiconductor


Fairchild Semiconductor era una società di semiconduttori pionieristici che fu fondata alla fine degli anni '50.
La società era nota per la sua innovazione nello sviluppo del primo transistor commerciale e per i suoi contributi al progresso della tecnologia del circuito integrato.
Fairchild è diventato un fornitore leader di semiconduttori di potenza, circuiti integrati analogici e di segnale misto e altri prodotti a semiconduttore.
La società è stata acquisita da Semiconductor nel 2016 e i suoi prodotti e tecnologie continuano a essere sviluppati e venduti con il marchio su semiconduttore.

*Queste informazioni sono solo a scopo informativo generale, non saremo responsabili per eventuali perdite o danni causati dalle informazioni di cui sopra.




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