Rapid recovery circuit

Details Rapid recovery circuit Rapid recovery circuit

2011-04-12

2011-04-12

Lauture, Joseph (Department: 2819)

Coded data generation or conversion

Analog to or from digital conversion

With particular solid state devices

C330S292000

Reexamination Certificate

active

07924188

ABSTRACT:
When a semiconductor circuit, in which a stabilizing capacitor2for stabilizing a reference voltage Vbias is connected to a reference voltage terminal RT, recovers from a power down state to an operational state, a current mirror circuit40provides current mirroring of a current Ia of a first current path Ph1, which generates an OFF threshold voltage ref1of a hysteresis comparator1, to generate a current Ib of a second current path Ph2, which generates the reference voltage Vbias. The reference voltage Vbias is input to the comparator1as an input voltage vin. When the reference voltage Vbias becomes equal to the OFF threshold voltage ref1, the comparator1immediately stops the charging of the stabilizing capacitor2by a current source I1.

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