PS9307AL2-E3-AX

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Isolators - Gate Drivers

The PS9307AL2-E3-AX is an isolator and gate driver designed and manufactured by Power Integrations for use in switching power converters. It is part of the company’s Isolated Gate Drivers family and is used to provide galvanic isolation between a logic-level signal and a high-voltage gate drive signal. It offers different input and output voltage ratings that can be adjusted depending on the application.

Application

The PS9307AL2-E3-AX is typically used in a range of switching power converter applications to protect sensitive components and increase their efficiency. It is a versatile and cost-effective solution for applications that require isolation between the logic and gate drive and can be used in a variety of applications, such as DCDC converters, ACDC converters, Buck converters, Boost converters, and Resonant inductor converter (RIC) circuits.

The PS9307AL2-E3-AX has input and output ratings that can be adjusted depending on the application and the system requirements. For example, the input voltage rating can range from 0 to 60 VDC and the output voltage rating can range from 0 to 1500 VDC. It can provide up to 3 A of current drive for a single channel or 6 A of current drive for a dual channel.

The device is also compatible with many standard logic families, such as CMOS, TTL and ECL. It is also compliant with the industry standard CAN protocol, making it a suitable solution for automotive applications. Additionally, it features a wide operating temperature range of -40 to +125°C, making it suitable for use in harsh environments.

Working Principle

The PS9307AL2-E3-AX is an isolated gate driver designed to allow galvanic isolation between the logic-level signal and the high-voltage gate drive signal. The device features an isolated power supply which is used to power the internal control circuitry for the device.

The PS9307AL2-E3-AX features two internal dead time (DT) circuits, one for each side of the device. The DTs allow the gate drive currents to be balanced in both phases of the output waveform, improving the overall efficiency of the switching power converter.

The device also features an on-chip EMI filter circuit which minimizes the levels of EMI interference generated by the switching power converter. This filter is also adjustable, allowing the system designer to fine-tune the device for their particular application.

Finally, the device has an integrated latch for overvoltage protection (OVP). This OVP latch will shut down the high-side gate driver in case of an overvoltage condition.

Conclusion

The PS9307AL2-E3-AX is an isolator and gate driver from Power Integrations that can be used in a variety of switching power converters. It provides galvanic isolation between the logic and gate drive signals and features adjustable input and output voltage ratings. It also features an EMI filter circuit and an integrated latch for overvoltage protection.

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