Datasheet

www.ti.com Performance Data and Typical Characteristic Curves
7.9 Input Voltage and Current
Figure 11. Input Waveforms (V
IN
= 230 V
AC
at 50 Hz, I
O
= 1.2 A Test Points: TP1 and TP2)
7.10 EMI Performance Achievable on a Full 90-W Adapter Design (reference to SEM1900
topic 4)
NOTE: This EVM is not designed to meet the EMI standard. A reference design shown in SEM1900
does.
13
SLUU505A– May 2011– Revised October 2011 Buck PFC Pre-Regulator in Power Factor Correction Applications
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