IR4428

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IR4428, a Gate Driver integrated circuit (IC) offered by International Rectifier, is a monolithic, high-voltage, high-current power semiconductor gate driver. It contains the latest technology to drive high-side and low-side power MOSFETs and IGBTs in high voltage, high current applications. IR4428 is a monolithic IC with easy to use features, such as self-biased outputs, adjustable dead-time control, short-circuit fold back protection and fault protection. This IC also provides superior performance with high current drive capability, low power consumption and low propagation delay.

The IR4428 is housed in an 8-pin SOIC package, with dimensions of 8-pin (9mm x 14mm) and weighs in at just 4.3g. It has an operating temperature range from -40°C to +125°C, and is capable of handling input voltages up to 40V. The output voltage can be up to 20V and the output current up to 4A.

The application fields of IR4428 can be divided into three main categories. First, it is used for motor control such as variable speed drives and motor controllers. Second, it is used for switching power supplies and DC-to-DC converters. Third, it can be used for inverters and converters that control power levels.

The working principle of the IR4428 is based on the high speed and low voltage power MOSFET or IGBT used in the devices. The MOSFET or IGBT is used to transfer the incoming power to the output power devices. Both the high and low sides are controlled by the IR4428. It controls the voltage and current supplied to the power device and regulates the output voltage by controlling the pulse width. The IR4428 also has an adjustable dead- time control, which allows it to respond to sudden changes in power or load. The IR4428 also has a thermal overload protection, which prevents it from becoming damaged when the temperature exceeds a certain level.

The features of the IR4428 make it an ideal candidate for a wide range of applications. Its high current capability, low power consumption, adjustable dead-time control and short-circuit protection make it suitable for a variety of motor control, switching power supply and DC-to-DC converter applications. Its low propagation delay makes it suitable for applications requiring fast response times, such as inverters and converters. The IR4428 is an ideal choice for power management systems, motor control systems and power converters.

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