TDA4863-2G

TDA4863-2G - Power-Factor Controller (PFC) IC for High Power Factor and Low THD

1.1 Features

IC for sinusoidal line-current consumption

Power factor achieves nearly 1

Controls boost converter as active harmonic

filter for low THD

Start up with low current consumption

Zero current detector for discontinuous

operation mode

Output overvoltage protection

Output undervoltage lockout

Internal start up timer

Totem pole output with active shut down

Internal leading edge blanking LEB

1.2 Improvements Compared to TDA 4862 and

TDA4863

Suitable for universal input applications with low THD at low load conditions

Very low start up current

Accurate OVR and VISENSEmax

 threshold

Competition compatible VCC

 thresholds

Enable threshold referred to VVSENSE

Compared to TDA4863 a bigger MOS Transistor can be driven (see 2.10)