PS9331L-AX

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The PS9331L-AX isolator is a high-quality, space-saving gate drive isolation device designed by ProSoft, with isolation techniques providing exceptional performance and reliability for gate driver applications. It features a compact form factor, allowing it to be used even in closely-packed designs. Furthermore, the FCBGA package also enables the isolation circuit to fit in complex and space-constrained designs. This isolator is capable of providing a wide variety of gate drives, including capacitive, inductive, and galvanic isolators, and can be used in a variety of gate driver applications to provide electrical isolation where necessary.

The PS9331L-AX isolator is designed to be easy to use, thanks to its compact form factor and wide range of features. The device is designed as an active dual-axis isolation, with a single-ended (SE) and dual-ended (DE) version, allowing it to be used in many different gate drive applications. The SE version features a full-featured output stage, which can drive up to 3A of current. The DE version, meanwhile, is a dual-axis active dual-axis isolator, allowing it to provide balanced differential outputs for greater power and stability. Both versions feature an integrated bootstrap circuit, which can reduce IGBT stress and power consumption.

In terms of its working principle, the PS9331L-AX isolator features an integrated high voltage, high frequency transformer, which creates two isolated ports: the source port and the load port. The source port provides power to the load port via the transformer, and the load port provides the gate drive signal to the gate of the IGBT or MOSFET. The PS9331L-AX isolator also features a self-limiting well protection circuit, which limits the peak gate drive current and prevents unintentional over-current in the event of a short circuit or over-voltage.

The PS9331L-AX isolator is ideal for a wide range of gate drive applications, thanks to its excellent isolation characteristics and wide range of gate drive voltage levels. It can provide isolation of up to 2.5kV RMS without sacrificing performance, and can handle up to 350V drive voltage. The device is also designed to handle high-speed switching, with turn-on and turn-off times as low as 2.5ns. Furthermore, it features low power consumption, low latency, and a high gate-pull-down current capability, making it suitable for a variety of gate drive applications.

In summary, the PS9331L-AX isolator is an excellent choice for gate driver applications, offering high isolation, low power consumption, and fast switching. Its small form factor makes it easy to use in complex designs, while its wide range of features makes it a highly versatile device for all sorts of gate drive applications, from in-vehicle to industrial control.

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