IR21365STRPBF

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IR21365STRPBF is a type of isolated gate driver, which is mainly used in power management integrated circuit (PMIC). IR21365STRPBF is available in different packages, including SOIC, SOT23, SOP8 and D-PAK. It has two integrated isolation channels that are used to provide Blocking Voltage of up to 650 Vrms or 1,250Vrms. It also features advanced thermal design, which can provide up to 60A current handling without additional heatsink.

IR21365STRPBF gate driver is mainly used in PFC, DC/DC converter, Inverter, EMC, and other Buck/Boost inverter applications. It can also be used in high-side switched Mode Power Supply (SMPS) and synchronous rectifier, and it supports leading edge blanking (LEB) and trailing edge blanking (TEB).

The working principle of IR21365STRPBF is to isolate the source side from the load side to reduce interactions. It also reduces the EMF (Electromagnetic Field) disturbances, which helps to reduce noise and interference. When working with IR21365STRPBF, two signals are provided, one at the source side and one at the load side. The source side signal is used to control the power flow, while the load side signal is used to detect the current flow. Both signals are then converted into a digital signal, which is used to control the output current.

The IR21365STRPBF gate driver also features an adjustable maximum duty cycle (DMAX). It allows the user to set the maximum duty cycle to a certain value and then adjust the duty cycle to meet the particular requirements of the circuit. It also helps to improve the efficiency of the circuit and reduce the power losses.

In addition, the IR21365STRPBF also supports over-current protection. It provides a timer-based current limitation of up to 500mA. It also automatically shuts down the output when the over-current is detected, thus protecting the device from any possible damage.

All in all, IR21365STRPBF is an advanced isolated gate driver with several features that make it an ideal choice for various PMIC applications. Its dual isolation channels, adjustable DMAX, and over-current protection make it a reliable and efficient product. It is widely used in various power management circuits such as PFCs, DC/DC converters, and Buck/Boost inverters.

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