CHL8326-00CRT

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The CHL8326-00CRT is an integrated device that can provide industry-leading voltage regulation and control. This device is classified into PMIC (Power Management IC) - Voltage Regulators - Special Purpose. Its application field and working principle are discussed in this paper.

Application Field

The CHL8326-00CRT has many advantages, making it suitable for a variety of applications, such as:

• Digital TV, LCD and monitor power supplies
• DC/DC and AC/DC conversion
• LED lighting control
• High current power applications

The CHL8326-00CRT features a Low Quiescent Current Mode with a power efficiency rate up to 91%, making it suitable for a wide range of current power applications. It also features a low voltage start-up and fast transient response that can match the application needs.

Working Principle

The CHL8326-00CRT is a dual input, synchronous boost converter with integrated control logic that allows the user to select between two high-current paths. The integrated control logic monitors the power supply rails, and it will switch outputs between the two paths based on the output voltage requirement. This allows for efficient voltage scaling, to ensure power delivery is optimized for the application.

The CHL8326-00CRT synchronous boost converter works by conversion of a low input voltage to a high output voltage, while having a high efficiency rate. The converted voltage is then compared to a reference voltage and the error signal is used to adjust the output voltage accordingly. This allows for voltage regulation and precision control.

The CHL8326-00CRT is designed for use in automotive and industrial applications, where high efficiency and long life are key requirements. It features high power density and various features for protection against over-voltage, under-voltage and over-temperature conditions.

In addition, the CHL8326-00CRT provides excellent overload protection and short-circuit protection. It also provides intelligent monitoring capability, allowing users to monitor converter power supply voltage, current and temperature. These features ensure the device can operate safely and reliably in harsh operating environments.

The CHL8326-00CRT is a cost effective and reliable device that provides excellent voltage regulation and control. It is an ideal solution for a variety of applications, such as digital TVs, LCD and monitor power supplies, LED lighting control, and high current power applications.

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