"Reset" type power supply voltage monitoring device

Details "Reset" type power supply voltage monitoring device "Reset" type power supply voltage monitoring device

1998-08-05

1999-07-06

Nguyen, Matthew

Electricity: power supply or regulation systems

Output level responsive

Using a three or more terminal semiconductive device as the...

G05F 1565

Patent

active

059201827

ABSTRACT:
A power supply voltage monitoring device includes a constant voltage generator, a comparator to compare the power supply voltage with a reference voltage output by the constant voltage generator and to control the state of an output terminal. The device also comprises a delay circuit to put the output terminal into a predetermined state (low) for a predetermined duration exceeding the duration of the transient conditions, while the voltage generator is being put into operation. The power supply voltage monitoring device may typically be applied in microprocessor equipment.

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patent: 5818214 (1998-10-01), Pelly et al.
E. Haseloff, "TL7700 Voltage Supervisor," Microprocessors & Microsystems, vol. 11, No. 10, Dec. 1987, pp. 545-548.
R. Benzer, "What To Do When the Power Goes Out," Machine Design, vol. 63, No. 7, Apr. 11, 1991. pp. 62-63.

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