MIC4720YML-TR

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The MIC4720YML-TR is a synchronous step-down voltage regulator that belongs to the Power Management Integrated Circuit (PMIC) - Voltage Regulators - DC DC Switching Regulators family from Microchip. It is also known as a buck converter. This regulator allows for adjustable output voltage, current, and switching frequency. Moreover, it helps increase power efficiency and reduce solution size.

This device is a synchronous regulator with integrated high-side and low-side ones, protected power switches, a current sensing mechanism and a regulated output voltage. This integrated solution helps reduce board space and cost and remove the need for external components, such as discrete transistors. The MIC4720YML-TR offers multiple protection features, such as output-voltage, over-current, and over-temperature protection.

The MIC4720YML-TR device can be used to convert a low output DC/DC voltage to a higher one, but at the same current, ampacity and wattage. It features excellent EMI performance, wide (4.5 V to 27 V) input voltage range and a programmable switching frequency for enhanced performance and low noise. It also provides adjustable output voltage, current and multiple protections, including output over-voltage protection, over-current protection and over-temperature protection. The device can work in a pulse-width modulation (PWM) or pulse-frequency modulation (PFM) mode for optimal efficiency.

Additionally, the external current sensing mechanism is used to improve light load efficiency, by detecting small load currents. This allows the device to enter a standby mode with very low quiescent current consumption. It also extends the battery life and helps reduce operating temperature.

In general, the MIC4720YML-TR offers reliable performance in an integrated, space-saving design. Its multiple protection features make it a suitable choice for applications where reliability, safety and performance is of importance. The device is suitable for use in cell phones, personal digital assistants (PDA), digital still cameras (DSC), portable computers, and other similar electronic devices that require efficient and reliable voltage regulation.

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