CS8321YDPR3

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The CS8321YDPR3 is a linear voltage regulator. It offers three LED strings, each of which can be individually regulated from 0.8 to 15V by means of external resistors. Each group of the LED strings consists of three LEDs in series. This allows the end user to choose the desired string voltage for each group of LEDs.

The CS8321YDPR3 is designed for AC/DC converters, battery chargers, white goods, and other applications requiring a well-regulated LED driver with high current capability. This linear regulator can adjust the LED current with a maximum of 200mA, using an external resistor as the current setting device.

The CS8321YDPR3 works by regulating the voltage across two pins, essentially creating a voltage difference across two points. It uses an internal resistor divider network to monitor the output voltage, allowing the user to set any output voltage within the optimal range. The device then reads the voltage at both pins and adjusts the output voltage accordingly to maintain the set voltage. The output voltage can also be adjusted by changing the resistor divider network.

The CS8321YDPR3 also provides a wide input voltage range that can be used in a variety of applications. Its high-temperature capability allows the device to be used in a maximum temperature of 85°C, making it a good choice for applications that need to operate in higher temperature environments, such as automotive environments.

In addition, the CS8321YDPR3 features a low quiescent current, which helps to minimize power consumption, and an embedded protection circuit which prevents over-voltage and inrush current. This protection circuit also protects LEDs from being damaged by electrical power surges.

The CS8321YDPR3 is an ideal linear voltage regulator for LED backlighting applications. Its wide input voltage range, adjustable output voltage, high current capability, and embedded protection feature make it an ideal choice for a variety of backlighting applications. Furthermore, its low quiescent current helps to reduce power consumption, making it a cost-effective solution.

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