SP725AATG

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TVS - Mixed Technology

The SP725AATG is a TVS-mixed-technology device capable of providing protection against overvoltage transients. The device is designed to operate in low voltage, DC and AC power control applications. It is specifically intended for automotive, industrial and consumer applications, which require significant system-level protection. It can handle a wide range of input voltages, from 24V down to 9V, with a maximum output voltage of 6.5V. The device is especially suited to protect circuitry subjected to reverse-bias electrostatic discharges (ESD) and inductive load transients.

The SP725AATG consists of an integrated TVS (transient voltage suppressor) and an NMOSFET (N-channel MOSFET). The TVS is designed to clamp the voltage at the MOSFET’s gate-source, protecting the semiconductor structure from destructive electrostatic discharges and other transient pulses. A built-in NMOSFET, with its controlling terminal protected by the TVS, provides non-linear gate protection, which prevents destructive ESD and inductive transients from reaching the device’s load. The device is also protected from static electricity and lightning, as the TVS interacts with the MOSFET gate to limit the energy reaching the load.

In order to further reduce ESD and pulse transients, the SP725AATG features an additional clamp diode. This diode helps to suppress overvoltage transients on the device’s output, thereby protecting the connected load from potentially damaging high-voltage spikes. Moreover, the device is designed with an integrated charge pump, which quickly restores the gate voltage of the MOSFET when the TVS is active. The device is also equipped with an integrated input capacitor, which helps to reduce the loss of energy through transient pulses.

The SP725AATG is a robust and reliable device, and has been proven to provide effective protection against a wide variety of overvoltage transients. It is designed for use in automotive, industrial, and consumer applications involving high-voltage protection. The device is particularly well suited to high-voltage DC systems, and is a cost-effective solution for protecting sensitive components from ESD, lightning, and other overvoltage transients.

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