LX8384-33CP

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The LX8384-33CP is a special purpose voltage regulator from the Primecell series from ARM. The product offers a wide range of power management capabilities in a compact package and is ideal for a variety of applications, including portable electronic devices, automotive and industrial applications. The LX8384-33CP is capable of supplying up to 8A, and can operate from a wide range of input voltages ranging from 2.7V to 6.5V. It comes with several features such as over-voltage protection, over-current protection, and thermal shutdown.

Applications

The LX8384-33CP is ideal for a variety of applications requiring a stable source of power:

• Portable devices such as cell phones, cameras, and gaming systems
• Automotive applications such as vehicle electronics
• Industrial applications such as LED lighting and heating elements

Working Principle

The LX8384-33CP uses a buck converter to provide a highly regulated output voltage. It uses an internal PMOS switch to control the output voltage by varying the duty cycle of the pulse width-modulated (PWM) signal sent to the switch. A drain resistor is also present to dissipate the power from the switch. The input voltage is regulated using an internal error amplifier, which senses the difference between the programmed output voltage and the actual output voltage, and adjusts the duty cycle of the PWM signal accordingly.

The LX8384-33CP also features several protection mechanisms including over-current protection, over-voltage protection, and thermal shutdown. The over-current protection feature monitors the output current and shuts off the device if the current exceeds the set threshold. The over-voltage protection feature trips at a pre-defined voltage and shuts off the device to protect against excessive voltages. Finally, the thermal shutdown feature monitors the temperature of the IC and shuts off the device if it exceeds the maximum recommended temperature.

Conclusion

The LX8384-33CP is an ideal solution for applications requiring a stable power source. It comes with a wide range of features and protection mechanisms such as over-voltage and over-current protection, and thermal shutdown. The device is designed to be used in a variety of applications, ranging from portable devices to automotive and industrial applications.

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