In this paper the design of a new low dropout voltage regulator utilizing a high voltage depletion mode NMOS device as a pass element is described. A novel method of compensation is utilized which allows the circuit to be stable over a wide range of output capacitance and ESR. A watchdog timer is included with this circuit. The regulator is capable of sourcing 500 ma in regulation but is limited by forward drop and power dissipation.
The design of an automotive low drop out regulator IC utilizing a depletion mode high voltage DMOS pass element
Entwurf eines Leistungsregler-ICs für niedrigen Drop-out für Kraftfahrzeuge mit einem Hochspannungs-Verarmungs-DMOS-Paßelement
1994
6 Seiten, 8 Bilder, 1 Tabelle
Aufsatz (Konferenz)
Englisch
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