Load drive circuit

Details Load drive circuit Load drive circuit

2008-12-03

2010-06-22

Luu, An T (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Current driver

C327S309000, C327S314000, C327S325000, C361S091100, C361S091600

Reexamination Certificate

active

07741884

ABSTRACT:
A load drive circuit which can operate at high speed with low consumption current while performing the gate-to-source over voltage protection for its load driving field-effect transistor. A Zener function device is connected between the gate and the source of the load driving field-effect transistor, and an on/off-switch circuit to supply either on-potential or off-potential to the gate of the field effect transistor is provided. The current flowing through the Zener function device when the load driving field-effect transistor is conductive is limited by the on/off-switch circuit.

REFERENCES:
patent: 5086364 (1992-02-01), Leipold et al.
patent: 7176744 (2007-02-01), Goudo
patent: 2007/0222485 (2007-09-01), Ueda
patent: 2005323489 (2005-11-01), None
patent: 2006157400 (2006-06-01), None
B. Razavi, and translation and supervision by Tadahiro Kuroda, “Design of Analog CMOS Integrated Circuit,” Maruzen, Mar. 30, 2003.

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