Bootstrap driver

Details Bootstrap driver Bootstrap driver

2006-05-16

2006-05-16

Le, Don (Department: 2819)

Electronic digital logic circuitry

Interface

Current driving

C326S092000

Reexamination Certificate

active

07046040

ABSTRACT:
A bootstrap driver comprises an output stage having an N-type high-side transistor and a low-side transistor, also of the N-type, which are arranged in series between a positive supply terminal and a negative supply terminal. A control circuit of the high-side transistor and a control circuit of the low-side transistor are respectively supplied by a first voltage regulator and a second voltage regulator, which are mutually independent. A recovery diode is connected by its anode to the output of the first voltage regulator and by its cathode to the positive supply terminal, in order to conduct the reverse current of a bootstrap diode when the output of the circuit switches from a low state to a high state.

REFERENCES:
patent: 5747943 (1998-05-01), Houk et al.
patent: 5801557 (1998-09-01), Dubhashi et al.
patent: 6215329 (2001-04-01), Campardo et al.
patent: 0 367 006 (1990-05-01), None
patent: 0 887 933 (1998-12-01), None

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