IR3087MTRPBF

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IR3087MTRPBF is a high-performance buck switching regulator (SR) specially designed for dual-core processor-based applications in the electronics industry. It has excellent power conversion efficiency and low noise, suitably providing reliable power supply for advanced applications. The device is composed of a buck switching regulator integrates with an adjustable low-dropout (LDO) linear regulator. Due to its highly integrated structure, the device occupies significantly smaller board area compared to discrete power solutions, allowing power engineers to design more efficient, fast and reliable systems.

The IR3087MTRPBF is a Buck SR specially built to provide high reliable power supply for dual-core processor-based applications. The device consists of an adjustable low-dropout (LDO) linear regulator and a buck switching regulator. The LDO linear regulator delivers a 7A max continuous current and provides a 0.6 V to 1.8 V single-output with very low output noise and low dropout voltage. The buck SR offers 6A continuous current with a conversion efficiency of up to 92%. It is equipped with a variety of features including line and load regulation, output overload protection, over-temperature protection, phase-lock loop (PLL) for noise suppression, power-good signal, over-current protection, etc.

The specialized power management IC IR3087MTRPBF is well suitable for portable electronics, handheld devices, automotive electronics and communication systems. The SR integrates easily with a variety of system components such as microprocessors, FPGAs, ASICs, RF transceivers, and LCDs providing a low-cost energy solution for these applications. It also performs an important role in providing protection from both under-voltage and over-voltage conditions.

The working principle of IR3087MTRPBF is based on the Buck SR technology which employs a semiconductor switch to pass current in one direction across the load. The semiconductor switch conducts during the switching period, transferring energy from input voltage to the output voltage. During the off period, the inductor stores energy, releasing it into the load when the switching period resumes. In the buck SR, the frequency and duty cycle of the switching period is determined by the SR control signal.

In addition, the IR3087MTRPBF is integrated with a number of advanced control and protection functions to maximize system safety and performance. It supports a wide range of input supply voltages and provides a programmable switching frequency up to 2 MHz. It also enables programmable spread spectrum for EMI suppression, current sense for load transient protection, power good function for output fault detection and over temperature protection for exceptional reliability.

In conclusion, the IR3087MTRPBF is an ideal choice for a range of high-performance and reliable power management solutions for various applications. It is integrated with an adjustable LDO and a buck switching regulator, providing maximum flexibility, reliability and accuracy. The device is specifically designed for dual-core processor-based applications and offers low input supply voltage and excellent efficiency. The device is equipped with a variety of features such as line and load regulation, output overload protection, over-temperature protection, EMI suppression, power-good signal, over-current protection, etc.

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