Voltage reference circuit with fast disable
Patent 6414537 Issued on July 2, 2002. Estimated Expiration Date: 
September 12, 2020. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
September 12, 2020. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesVoltage regulator having staggered pole-zero compensation network Semiconductor integrated circuit operating at dropped external power voltage Frequency compensation for a low drop-out regulator Driver circuit including amplifier operated in a switching mode Fast start-up circuit LDO regulator dropout drive reduction circuit and method Patent #: 5929617 InventorApplicationNo. 660254 filed on 09/12/2000US Classes:327/540, With voltage source regulating327/538, Stabilized (e.g., compensated, regulated, maintained, etc.)327/541With field-effect transistorExaminersPrimary: Callahan, Timothy P.Assistant: Luu, An T. Attorney, Agent or FirmInternational ClassG05F 001/10AbstractA reference-producing integrated circuit that is able to rapidly transition from an enable mode to a disable mode is disclosed. The reference-producing integrated circuit can, for example, be a voltage reference integrated circuit or a voltage regulator. In one implementation, the voltage reference integrated circuit or the voltage regulator can provide a low dropout voltage output. The reference-producing integrated circuit is particularly useful for reducing power consumption by electrical circuitry (e.g., portable computing devices) being power managed at least in part through control of the voltage reference supplied to the electrical circuitry.Other References
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