In this improved design, pulse-width-controller IC₁derives its power from R_Tfor start-up, auxiliary winding W_AUX for normal operation, and shunt-regulator circuit IC₂ and Q₁for low-load operation

Autoren	Michael O'loughlin
Hauptdokument	«Shunt regulator eases power-supply-start-up woes»
Beschreibung	Figure 3
Dateiformat / Größe	PDF / 52 Kb
Dokumentensprache	Englisch

In this improved design, pulse-width-controller IC1 derives its power from RT for start-up, auxiliary winding WAUX for normal operation, and shunt-regulator circuit IC2 and Q1 for low-load operation