IR3637SPBF

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Integrated circuits (ICs) have become essential in all electronic power systems. The IR3637SPBF is a PWM controller IC with a built-in MOSFET driver, which comes from the renowned power management integrated circuits (PMICs) manufacturer, International Rectifier. It is a monolithic device and enables a very cost-effective and highly efficient design realization of buck and SEPIC switching regulators & COT-FET controllers.

IR3637SPBF is a high performance MOSFET driver with integrated PWM controller for buck and SEPIC converter applications. It is designed to drive a wide variety of low RDS(on) N-Channel MOSFETs as well as a standard non-N channel MOSFET. It provides with enhanced switching performance and also helps in minimizing total power dissipation. This IC is widely used in a wide range of applications such as in the automotive power-train, buck and boost converters, on-board chargers, point of load (POL) buck converters, and power supply modules.

IR3637SPBF has an adjustable voltage gain and provides a highly accurate output voltage at its regulated buck converter and SEPIC design. It has a supply voltage span of 4.5V to 36V. This PWM controller IC is ideal for standard, low voltage, and high output voltage applications requiring current sensing, fast transient response, and low output noise. The device offers adjustable frequency up to 1MHz and an input voltage rising to 40V, which helps in designing wide input range applications.

The operating principle of IR3637SPBF is relatively straightforward. It consumes very low power while operating and delivers high-efficiency, regulated output to the regulated buck converter from a wide input voltage. The device also implements peak-current mode control as well as programmable output under-voltage protection for improved system reliability. Moreover, the PWM controller IC integrates a 200mV voltage reference, a high-speed comparator, an internal MOSFET driver, and soft-start circuitry.

The IR3637SPBF provides safe operation over the full load and input voltage range with temperature protection circuitry. The device also features sleep mode, EOCs, frequency synchronization, and can be programmed with a single resistor. It offers high-speed transient response with low output noise and has an adjustable current sense voltage.

This PWM controller IC supports an array of application-specific features and helps in reducing total power dissipation. It is embedded with a Power Good (PG) output feature informing the system that the output voltage is above the programmed PG voltage. With its high efficiency, accurate regulation, and high-speed operation, this integrated circuit can be easily designed in a variety of applications.

In conclusion, IR3637SPBF is a precision IC with built-in MOSFET driver by International Rectifier. It finds applications in a wide range of power-train designs, buck and boost converters, point of load buck converters, on-board chargers and power supply modules. It is a highly reliable IC featuring sleep mode, peak-current mode control, soft-start circuitry, programmable output under-voltage protection, EOCs, and a Power Good (PG) output. This PWM controller IC is a great choice for its high-efficiency, accurate regulation, and low power consumption.

The specific data is subject to PDF, and the above content is for reference