AN4314 datasheet(23/31 Pages) STMICROELECTRONICS

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AN4314 数据表(PDF) 23 Page - STMicroelectronics

部件名	AN4314

功能描述	25 W wide-range high power factor buck-boost converter demonstration board using the L6564H

PDF	31 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

标志

23 / 31 page

DocID024821 Rev 2

23/31

AN4314

PFC waveforms

Figure 24 and Figure 25 show the resulting hiccup mode of the converter during shorts,

when the protection is tripped.

Figure 26 and Figure 27 show the behavior after the short removal. The startup sequence is

activated.

Figure 24. Overload behavior after a short-

circuit at 100 Vac

Figure 25. Overload behavior after a short-

circuit at 230 Vac

Figure 26. Short-circuit removal at 100 Vac

Figure 27. Short-circuit removal at 230 Vac

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