CHL8228G-11CRT

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The CHL8228G-11CRT is a specialized voltage regulator that helps in driving LED strings. It is part of a larger family of voltage regulators, known as PMIC (Power Management Integrated Circuits). This particular voltage regulator is designed to automate the process of driving LED strings, enabling them to maintain a constant, safe operating voltage over a wide range of operating environments.

The CHL8228G-11CRT is a compact voltage regulator consisting of two stages: a high-side driver and a low-side driver, connected in series and controlled by a dedicated control circuit. The high-side driver controls the voltage of the LED string, while the low-side driver maintains a stable current to guarantee a uniform brightness of the strings. When one of the strings exceeds its maximum safe operating voltage, the regulator’s control circuit will reduce the voltage of the string before any damage is done.

In addition to its highly adjustable input voltage range, the CHL8228G-11CRT can be configured with PWM control for dimming or color-changing applications. It can be used for backlighting for desktop displays and digital signage, automotive lighting, lighting for consumer goods and appliances, as well as many other applications.

The CHL8228G-11CRT is also equipped with safety features such as over-voltage protection, over-temperature protection, over-current protection, under-voltage lockout, and reverse current protection. Furthermore, it features a low quiescent current, low standby power consumption, and a soft-start feature to reduce inrush current.

All in all, the CHL8228G-11CRT is a special purpose voltage regulator that is highly versatile and reliable. Its range of features and protections makes it suitable for a wide variety of LED lighting applications, from automotive lighting to consumer goods and appliances.

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