Invention Grant
US07660090B1 Apparatus and method for input voltage transient protection with a low-voltage reset circuit 有权
用低压复位电路进行输入电压瞬变保护的装置和方法

Apparatus and method for input voltage transient protection with a low-voltage reset circuit
Abstract:
A circuit for voltage transient protection is provided. The circuit includes a voltage divider, a low-voltage reset circuit, and an input transistor. The input transistor receives an input voltage at the source of the input transistor, and provides a protected input voltage at the drain of the input transistor. The voltage divider provides a threshold voltage from the input voltage. The low-voltage reset circuit receives the threshold voltage. The low-voltage reset circuit causes the gate and source of the input transistor to short together when the low-voltage reset circuit is not in a reset state.
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