STR-X6737

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PMIC - AC DC Converters, Offline Switchers

The STR-X6737 power integrated circuit is a high speed off-line switcher IC family. This IC is designed for use in designing high performance AC-DC converter SMPS applications with a minimum number of external components. It is built on a high voltage process, making it an excellent choice for applications designed for use in large SMPS systems.

The main features of the STR-X6737 are its low semiconductor count, reduced board area, and low parts count power stages. The salient features of this IC include built-in high side MOSFETs and high voltage regulators, comprehensive fault protection circuitry, temperature protection passives, and low EMI architectures. This IC provides best-in-class efficiency, noise, and compatibility with a variety of control algorithms. It is efficient and reliable in a wide range of applications.

Working Principle

The working principle of the STR-X6737 IC is based on its primary switch technology, which includes two MOSFETs, an NMOS and a PMOS. These two MOSFETs are internally connected in two different configurations; a reverse-parallel, and an N-channel positive latch. This switch configuration makes it possible to achieve excellent performance and system stability.

When the primary mode of the IC is enabled, the gate logic of the MOSFETs controls the switch timing. When the gate is enabled, the NMOS and PMOS activate, enabling the primary switch ON or OFF depending on the current load condition. This primary switch ON or OFF is then used to control the power output and other system aspects like the output voltage. When the primary switch is ON, the output voltage is proportional to the current load condition and the voltage of the supply.

The criteria for load current and output voltage regulation depend on the system architecture and load conditions. In general, the STR-X6737 IC can provide a continuous maximum output current of up to 24A and a maximum output voltage of up to 63V, with a minimum quiescent current of 8A. This makes it suitable for a wide range of applications.

Applications

The STR-X6737 IC is targeted towards a variety of applications such as industrial, automotive and consumer electronics. It is used in DC/DC converters, battery chargers, and signal conditioning. It can also be used to reduce ripple and noise caused by EMI. It can be used as an alternative to other integrated switch mode power supply devices when trying to reduce the overall power consumption of a system.

The STR-X6737 IC can be used for switching and regulating power supplies for automotive applications. It is designed for use in a variety of power systems for applications such as engine control, headlights, and climate control systems. It is designed for use in applications that require a high efficiency, low parts count, and have temperature control features.

In consumer applications, the STR-X6737 IC is used for switching and regulating power supplies for applications such as cell phones, laptops, personal media players and game consoles. It is designed to reduce the complexity of switching power supplies while also providing superior protection against short-circuiting and over-voltage conditions.

Overall, the STR-X6737 IC is an excellent choice for a wide range of applications. It is designed to be flexible, efficient and reliable in any application it is used in. It is an ideal choice for reducing ripple and noise due to its protection features, high efficiency and low parts count. It can also be used for applications that require a switch mode power supply, as it provides the stability and adaptability needed for the job.

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