POWER SUPPLY PROTECTION APPARATUS, PROTECTION CIRCUIT, CIRCUIT ARRANGEMENT AND PROTECTION ARRANGEMENT

摘要

micro-circuit comprises a core part and other parts, the parts are different from the respective supply source receives a voltage. And electrostatic discharge protection (ESD) circuit is internally connected with the diode in a lower voltage terminal and a higher voltage terminal, the diode is nominally at a lower voltage if the supply is greater than the higher voltage supply the diode in a conductive state so as to have a polarity. If the high voltage supply failure or low or even drop below the value of the supply voltage, the diode is in a conductive state, a current is induced by an amount that can overheat the microcircuit. Blocking circuitry higher-detects the voltage of the voltage source, the higher-actual voltage (an embodiment) of the voltage source is a voltage source or a lower nominal voltage (another embodiment) which drop below the surface when he is either even lower - are provided in order to block the voltage source