CHL8104-07CRT

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CHL8104-07CRT Application Field and Working Principle

The CHL8104-07CRT is a high efficiency DC/DC switching controller intended for a wide variety of power supply design applications. It is designed to supply a regulated output voltage while providing a high efficiency current transfer between the input source and the load. This switching controller is suitable for a wide range of power management applications, both in the industrial and automotive market. The performance has been optimized for current-limited switching applications, providing a very power-efficient and reliable solution.

Applications:

This switching controller is suitable for a wide range of power management applications, including computer and telecommunications applications, automotive applications, as well as AC/DC and DC/DC power supply designs. It can be used in applications both as a master or slave controller and is particularly suitable for current-limited switching applications, providing a reliable and efficient solution.

Features:

The CHL8104-07CRT component offers a high efficiency current transfer between input and load. It has a wide operating range with adjustable output voltages from 3V to 50V and currents up to 8A. The built-in low-OFF-resistance eliminates the need for additional shunt components. Additionally, this device includes cycle-by-cycle current limiting, over-voltage protection, and under-voltage protection, making it a very robust solution.

Principles of Operation

The CHL8104-07CRT works by controlling a power transistor switch to switch power between input and load. It has a dedicated input voltage and a dedicated output voltage. The controller adjusts the on time of the power switch according to the output voltage and current sensing. This allows it to maintain the required output voltage and current level.

The power transistor switch is turned on and off by the controller according to the programmed conditions. During the on-time, the power switch is turned on and output current is transferred from input to output. During the off-time, the power switch is turned off, and current is limited by the low on-resistance of the switch. The cycle repeats until the programmed current and voltage levels are reached. This ensures that the desired output voltage is maintained and the required current is transferred from the input source to the load.

Conclusion

The CHL8104-07CRT is a high efficiency power controller intended for a wide variety of power management applications. It is ideal for current-limited switching applications and provides reliable and efficient current transfer between input and output. This device delivers adjustable output voltages from 3V to 50V and currents up to 8A with built-in low-OFF-resistance eliminating the need for additional shunt components. Additionally, it offers over-voltage and under-voltage protection. This makes it a very reliable and power-efficient DC/DC switching solution.

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