MIC5202-5.0BM-TR

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The MIC5202-5.0BM-TR is a low-dropout, high-voltage linear voltage regulator that operates with a power supply of up to 10 volts, with an output current of up to 5 amps. It is a member of Micronutrients\' linear voltage regulator family of products, which includes a variety of devices with various operating characteristics, including the ability to provide regulation over wide input and moderate output voltage ranges. The MIC5202-5.0BM-TR is particularly suited to applications where high-voltage, high-current regulation and low-dropout operation are desired.

Applications

The MIC5202-5.0BM-TR is suitable for use in a variety of applications, such as motor control, industrial, medical and automotive, where high-voltage, high-current linear voltage regulation is required. It is particularly suitable for power supply systems that require the combined benefits of low dropout voltage, high peak current delivery and low quiescent current. In addition, its high-side enable feature makes it well-suited for use as a voltage-reference regulator, as it can be operated with either an active-low or active-high enable input.

Working Principle

The working principle of the MIC5202-5.0BM-TR is based on the use of a series pass transistor to regulate the output voltage to the desired set point. The output voltage is maintained at a constant level by sensing the output voltage, comparing it to an internal reference, and making adjustments to the output current as needed to maintain the desired output voltage. This is achieved using an on-chip error amplifier, which senses the difference between the output voltage and the reference voltage and then corrects for any difference as necessary. The output voltage can be adjusted by altering the reference voltage, which is set externally.

The linear regulator also provides protection against current overload. If the output current exceeds the device’s maximum current limit, a current limit circuit will reduce the output current until the maximum current limit is re-established. This ensures that the device cannot be damaged by overload or short circuit conditions.

Conclusion

The MIC5202-5.0BM-TR is a versatile and reliable voltage regulator solution, providing high-current, low-dropout operation, and low current consumption in a range of applications, such as motor control, industrial, medical and automotive. Its on-chip error amplifier and current limit circuit provide reliable and efficient regulation of the output voltage, while its high-side enable feature makes it useful as a voltage-reference regulator.

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