PFC-DCM (discontinuous conduction mode) ICs
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Easy design and lowest system cost
Fully compatible with the world standard, these devices are optimized to offer extremely compact and cost effective PFC solutions for electronic ballast and off-line SMPS.
By using a zero current detector for discontinuous operation mode a near unity power factor and an excellent THD are achieved.
The latest addition are the TDA4863 and TDA4863-2 which are the improved versions of the active power factor controller TDA4862.
TDA4862, TDA4863 and TDA4863-2
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 conduction mode
Output overvoltage protection
Output undervoltage lockout
Internal start up timer
Totem pole output with active shut down
Internal leading edge blanking LEB
Improvements TDA4863 and TDA4863-2 referred to TDA4862
Very low start up current
Very low comparator and multiplier offsets for universal input applications
High sophisticated amplifier for low distortion inteferences caused by MOSFET switching
More accurate overvoltage threshold
Higher gate drive capability (TDA4863-2 only)
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Product Selection Guide
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PCB Design Data
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