SUPPLY VOLTAGE SUPERVISOR TL77XX SERIES

Reliable operation of a circuit or system requires the supply voltage to be between certain limits. A voltage monitor is thus required to check the supply voltage and provide a signal to the controlled circuit, to reset or re-initialize the system whenever the supply voltage has failed. For this purpose Texas Instruments developed the supply voltage supervisor series TL77xx, which offers these functions. Beside a detailed description of this voltage monitor this report shows various applications examples. Several diagrams explain in more detail the characteristics of this device, to enable the design engineer to find further interesting applications. Finally this report discusses printed board layout guidelines to ensure reliable operation of this analog circuit even in a noisy environment.

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