STCH02 datasheet(20/24 Pages) STMICROELECTRONICS

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STCH02 Arkusz danych(PDF) 20 Page - STMicroelectronics

Numer części	STCH02

Szczegółowy opis	Offline PWM controller for ultra-low standby adapters

PDF	24 Pages

Scroll/Zoom	100%

Producent	STMICROELECTRONICS [STMicroelectronics]

Strona internetowa	http://www.st.com

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20 / 24 page

Application information

STCH02

20/24

DocID028766 Rev 1

time, which clears the latch. The internal start-up generator is still off, then the VDD voltage

still needs to go below its restart voltage before the VDD capacitor is charged again and the

device restarted. Ultimately, this will result in a low frequency intermittent operation (hiccup

mode operation), with very low stress on the power circuit. This special condition is

illustrated in the timing diagram of Figure 12.

Figure 12. Hiccup mode OCP: timing diagram

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