The UCC28019 8-pin active Power Factor Correction (PFC) controller uses the boost topology operating in Continuous Conduction Mode (CCM)

UCC28019

Manufacturer Part NumberUCC28019
DescriptionThe UCC28019 8-pin active Power Factor Correction (PFC) controller uses the boost topology operating in Continuous Conduction Mode (CCM)
ManufacturerTexas Instruments
UCC28019 datasheet
 


Specifications of UCC28019

Uvlo Thresholds On/off(v)10.5/9.5Operating Supply(max)(v)22
Startup Current(ma)0.1Operating Supply Current(ma)7
Vref(v)5Vref Tol(%)2
Duty Cycle(max)(%)99.3Practical Operating Frequency(max)(mhz)0.65
Pin/package8PDIP, 8SOIC  
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UCC28019
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SLUS755B – APRIL 2007 – REVISED DECEMBER 2007
The open loop of the voltage transfer function, G
(f) contains the product of the voltage feedback gain, G
, and
VL
FB
the gain from the pulse width modulator to the power stage, G
, which includes the pulse width modulator
PWM_PS
to power stage pole, f
. The plotted result is shown in
Figure
31.
PWM_PS
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Copyright © 2007, Texas Instruments Incorporated
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