MIC2810-FGSYML-TR

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MIC2810-FGSYML-TR Application Field and Working Principle

The MIC2810-FGSYML-TR, manufactured by Microchip Technology, is a linear plus switching PMIC — voltage regulator product. It is a low power, step-down DC-DC converter that is designed to provide an accurate output voltage from an input voltage of up to 8V. The regulator is designed for use with mobile communications devices, embedded systems and other systems where a low noise level is important.

Features

• Low noise operation.
• Integrated short-circuit protection.
• High-current output capability.
• Ability to deliver up to 1A.
• Integrated soft-start circuitry.
• Ideal for mobile and embedded applications.
• High-side and low-side protections.

Applications

• Cell phones and personal communication devices.
• Embedded systems.
• Battery charging systems.
• WI-FI cards.
• Wireless sensor networks.
• Data acquisition systems.
• Bluetooth and other wireless communication devices.

Working Principle

The MIC2810-FGSYML-TR is a switch mode voltage regulator that operates in a buck-boost configuration. This means that it is capable of producing either a lower or higher output voltage than the input voltage, depending on the desired output current.

The circuitry utilizes a pulse-width modulated (PWM) system of switching to ensure that the output voltage remains constant. The duty cycle of the PWM signal is adjusted depending on the input voltage and output current in order to maintain the desired output voltage. This ensures that the IC maintains a low output noise level.

The IC also utilizes an on-chip synchronous rectifier in order to reduce the overall quiescent current, and to improve the efficiency of the circuit. Additionally, the IC is designed to operate at a maximum efficiency of 96.2% at 3.3V.

The MIC2810-FGSYML-TR is capable of operating with a wide range of input voltages between 2.5V and 8V, which allows it to be used in a wide variety of applications. Additionally, the IC features integrated over-temperature and current limit protections to ensure safe operation.

Conclusion

The MIC2810-FGSYML-TR is an excellent choice for applications that require a low noise, low power, step-down DC-DC converter. The integrated synchronous rectifier, soft-start circuitry, and high-side and low-side protections ensure that the device is highly efficient and reliable. In addition, the wide range of input voltages makes it ideal for a variety of applications, including mobile phones, embedded systems, and data acquisition systems.

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