Band gap circuit

Details Band gap circuit Band gap circuit

2011-01-11

2011-01-11

Nguyen, Hai L (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Specific identifiable device, circuit, or system

With specific source of supply or bias voltage

C327S143000

Reexamination Certificate

active

07868686

ABSTRACT:
Provided is a band gap constant-voltage circuit which is configured by combining a PMOS transistor, an NMOS transistor, a bipolar transistor, and a resistor, and is capable of preventing an output voltage from being stabilized at 0 V immediately after power supply fluctuation. According to the band gap constant-voltage circuit of the present invention, the back-gates of two p-type transistors (P112and P113) constituting a differential amplifier are each connected to a node (11) which is a power source terminal on the positive side of the differential amplifier, and a level shifter circuit is connected to the gate of each of the transistors (P112and P113).

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patent: 2006/0071703 (2006-04-01), Chatterjee et al.
patent: 2004-86750 (2004-03-01), None

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