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Isolators - Gate Drivers

SI8237AD-D-ISR is a kind of isolated gate driver designed to drive IGBT and MOSFET in high-side and low-side of isolated applications. It is specialized for low voltage applications.The device offers up to 3A of output peak current with isolated gate drive with a minimum of galvanic isolation of 500V. It is designed to be used together with an isolated power supply module, such as a VIPer12A or VIPer22A.The SI8237AD-D-ISR ensure a high level of galvanic isolation between the device and the power supply module and can drive up to 3A of output peak current. It is also able to drive IGBTs with gate charge up to 20nC.The working principle of this device is based on its Internal Electrolytic Stacked Isolation which eliminates the need for an external power transformer and isolates the PWM control from the power device by using shielded circuitry. This method ensures excellent electrical and thermal isolation of the power device from the PWM isolation thus making it a safer solution.The built-in protection features of SI8237AD-D-ISR provide over-temperature, over-current, and under-voltage protection and allow it to serve as a robust gate driver for any application requiring isolated gate drive.The SI8237AD-D-ISR can be used in various applications such as home appliances, motor control, UPS, and solar energy. It can be used to drive IGBTs and MOSFETs in high-side and low-side of isolated applications.In addition to its standalone gate driver applications the SI8237AD-D-ISR is ideal for applications such as pre-drivers, regenerative snubbers, and active DC link clamping circuits. It can be also used in applications requiring high-voltage insulation such as medical equipments, solar inverters, and switch mode power supplies.The device offers an extended operating temperature range, up to +125°C, and can be used in a wide range of applications. It is also designed to meet EMC standards and offers over 680 Vrms or 1730 VDC of insulation test voltage.In summary, SI8237AD-D-ISR is an ideal isolated gate driver solution for applications requiring high-efficiency, high-voltage, and low-cost drive isolation. By offering high-level galvanic isolation together with 3A output peak current capability, and other protection features, it can be used in a wide range of applications requiring reliability and robustness.

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