UCC2819 preregulator equivalent, power factor preregulator.
such as lower start-up current, lower power dissipation, overvoltage protection, a shunt UVLO detect circuitry and a leading-edge modulation technique to reduce ripple cu.
of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION D.
The UCC2819/UCC3819 provides all the functions necessary for active power factor corrected preregulators. The controller achieves near unity power factor by shaping the ac-input line current waveform to correspond to that of the ac-input line voltag.
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