MIC5210-4.0BMM

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The MIC5210-4.0BMM is a linear voltage regulator that is designed for advanced low dropout (LDO) regulator applications. The device is capable of providing up to 4.0A of current output and can operate from a maximum input voltage of 28V. It is a pin-compatible alternative to popular fixed output voltage LDO regulators such as the LD1117 and LM317. The MIC5210-4.0BMM is capable of providing outputs from 0.8V to 24V in single step and from 0.2V to 24V in increments of 0.2V using external voltage divider resistors.

This device is ideally suited for low-noise point of load applications, such as the voltage converters used in portable electronic devices and the power supplies used in PC motherboards. It is also suitable for applications requiring high efficiency and tight regulation, such as medical, industrial, automotive and consumer electronics. The low quiescent current of the MIC5210-4.0BMM makes it ideal for use in battery-powered applications.

Working Principle of MIC5210-4.0BMM

The MIC5210-4.0BMM is a low dropout voltage regulator, which has an internal transistor that controls the output voltage by sensing the differences in output and input voltages and generating a corresponding output current. This regulator is designed to provide a stable DC output voltage in spite of variations in the input voltage and load conditions. The MIC5210-4.0BMM offers a maximum output of 4.0A and an output voltage, which can be adjusted from 0.8V to 24V in single step and from 0.2V to 24V in increments of 0.2V by changing external voltage divider resistors.

The MIC5210-4.0BMM features a CMOS process and a low dropout voltage (1.2V typical at 4.0A) for improved efficiency and fast start-up response time. The device is also equipped with an internal thermal shutdown protection feature to protect it against excessive temperatures. The low operational current of the MIC5210-4.0BMM enables it to maintain a high power efficiency, even at very light loads.

Features of MIC5210-4.0BMM

The MIC5210-4.0BMM offers a number of features including:

• Wide input voltage range: up to 28V
• Output Voltage tolerance: +/- 0.1V (3.3V and 5V versions)
• Low dropout voltage: 1.2V typical at 4.0A
• Customizable output voltages: 0.8V to 24V (in single step) or 0.2V increments
• Thermal shutdown protection
• Low quiescent current: 75µA typical at no load
• High power efficiency: up to 90%

Applications of MIC5210-4.0BMM

The MIC5210-4.0BMM is well suited for a variety of low-noise, high-efficiency point of load applications. Some popular applications for the device include:

• Voltage conversion in portable digital devices
• Power supplies in PC motherboards
• Medical, industrial, automotive and consumer applications
• Battery-powered applications that require high efficiency and tightly regulated outputs

In summary, the MIC5210-4.0BMM is a versatile linear voltage regulator designed for a variety of low dropout applications requiring low-noise and high power efficiency. The device features a wide input voltage range and an output voltage that can be adjusted from 0.8V to 24V in single step and from 0.2V to 24V in increments of 0.2V using external voltage dividers. It is also equipped with an internal thermal protection feature to guard against overtemperatures.

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