SCYW99143 block equivalent, universal high voltage control block.
* High Voltage Start Up
* Internal Brown−Out Protection
* Buffered Brown−Out Divider Output Available
* Automatic and Lossless X2 Capacitor Discharge
Func.
with extremely low no−load consumption. The internal startup current source supplies the SCYW99143 DIE and slaved SMPS c.
Detects AC line presence and activates X2 discharge circuitry with certain delay when the application is unplugged from the mains. Initiates ultra low consumption mode (off−mode) when cross V_REM_off. Open collector to grounding FB pin to disable the.
Image gallery