IR4428STRPBF

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IR4428STRPBF is a member of the Power Management Integrated Circuit (PMIC) - Gate Drivers family. It is a low ohmic advanced low side gate driver that integrates logic level inputs, an adjustable deadtime, over-current protection and a logic level enable pin. All necessary functions are integrated into a single package, allowing for compact and efficient system designs.

The PMIC - Gate Drivers family can be used for different kinds of applications, such as automotive, industrial, consumer, and military electronics. The IR4428STRPBFis specially designed for power switches and can be used in applications such as automotive ignition system, industrial motor control and household appliances. It can drive low side switches with logic level inputs, adjustable deadtime and over-current protection.

Its operating voltage ranges from 28V to 45V, with the typical power dissipation at 1.5W. The device features high-side humidity protection, low output on resistance, fast output total fall time, and logic inputs with adjustable current sink thresholds. It also has a logic supply current of 0.6mA with an operating temperature range from -40℃ to 150℃.

The working principle of the PMIC- Gate Drivers family is to convert a low-voltage logic level input signal into a higher voltage output signal to drive semiconductor switches. The IR4428STRPBF, for example, works by taking the input signal and converting it into a higher voltage signal to drive external switches. It does this by using a gate driver circuit, which is made up of four transistors. A logic level input is used to control the logic of the output voltage, allowing for a wide range of applications.

The IR4428STRPBF also features an adjustable dead time, which allows the users to control the timing of the switching process. This is done by adjusting the internal control circuit to adjust the delay time of the turn-on and turn-off transitions. Additionally, the device features an over-current protection feature which will shut off the gate driver circuit in the event of an over-current situation. This will help protect the circuits from damage.

In summary, the IR4428STRPBF is a highly integrated low side gate driver for power switches. It’s a member of the PMIC - Gate Drivers family and features high-side humidity protection, low output on resistance, adjustable dead time and over-current protection. It is suitable for applications such as automotive ignition system, industrial motor control and household appliances.

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