Pre-regulator with reverse current blocking

Details Pre-regulator with reverse current blocking Pre-regulator with reverse current blocking

2006-10-10

2006-10-10

Leja, Ronald (Department: 2836)

Electricity: electrical systems and devices

Safety and protection of systems and devices

With specific quantity comparison means

Reexamination Certificate

active

07119999

ABSTRACT:
An apparatus includes a blocking N-channel MOS (LDMOS) transistor that prevents current flow when the supply connection is reversed. When connected properly, the body diode conducts to provide a start-up function. A bias generator is employed to enable the low drop-out voltage function, allowing the output voltage to be very close to supply.

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patent: 6788130 (2004-09-01), Pauletti et al.
patent: 2004/0239403 (2004-12-01), Farley

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