SR087SG-G Integrated Circuits (ICs)

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SR087SG-G is an AC DC converter and offline switcher product from semiconductor manufacturer STMicroelectronics, designed for advanced industrial applications such as programmable logic controllers (PLCs), robots and automated systems. Its working principle is based on a combination of resonant inductive rectification and synchronous rectification technologies.

The product has a range of features that enable it to provide a more efficient, higher power density and smaller form factor power conversion than a traditional AC-DC power supply. It supports wide input voltage ranges of up to 500 V AC and features an adjustable soft-start to provide a controlled and safe start-up sequence. The SR087SG-G is designed to generate stable output voltages up to 80V DC, and can support a peak output current of up to 400 mA.

The SR087SG-G features a number of additional features designed to ensure improved load regulation and system performance. It has a dedicated synchronous output regulation and a novel soft kickback system that eliminates dip and trip levels associated with traditional pulse-width modulation (PWM) controllers. This ensures improved output regulation, reduced power dissipation and low system cost. Additionally, the SR087SG-G supports a robust hysteretic-control buck with a maximum peak input current of 0.7 A, which provides superior thermal and transient protection.

The SR087SG-G is a high performance monolithic AC-DC converter, with a wide range of applications in industrial and consumer applications. The device is well-suited for use in robotic systems, programmable logic controllers, motion control systems, instrumentation and process automation. Due to its high efficiency, small form factor and adjustable current limit and soft start features, the SR087SG-G can be used to reduce cost, power consumption and system size.

The SR087SG-G utilizes resonant inductive rectification and synchronous rectification technologies to reduce switching and conduction losses, resulting in high efficiency and low EMI emissions. The device is able to convert a wide input voltage range, up to 500 V AC, with a high efficiency of up to 97%. The SR087SG-G also features a wide range of protection functions to protect against overload, short circuit, and over temperature faults, ensuring safe and reliable operation.

Overall, the SR087SG-G is a robust, high performance AC-DC converter, well suited to a wide variety of industrial and consumer applications, offering features such as adjustable current limit and soft start, improved load regulation and low system cost. Its low EMI emission, high efficiency and wide input voltage range allows it to be used in a large number of applications, offering designers a reliable and cost efficient power solution.

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