MIC22705YML-TR

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The MIC22705YML-TR is an integrated voltage regulator specifically designed for power management in handheld electronic devices with a focus on energy efficiency. It is a PMIC (Power Management Integrated Circuit) belonging to the category of DC-DC switching regulators. It is primarily used in battery-powered portable electronics such as cellular phones, MP3 players, and digital cameras. It is also suited for industrial, medical, and automotive applications.

The MIC22705YML-TR provides a wide range of additional features, including an integrated power MOSFET, integrated voltage reference, high efficiency, and adjustable current limit, thermal overload protection, and adjustable soft start. Additionally, it is capable of operating at high frequencies, up to 600kHz.

The MIC22705YML-TR features an adjustable voltage regulation range from 0.75 V to 4.5 V with a tolerance of ±2%, and it can provide a maximum output current of 850mA. The device is available in a small, 10-pin, 2.8mm×2.1mm, ThinSOT package.

The MIC22705YML-TR switching regulator works on the buck-boost principle, which allows it to operate in both buck, boost, and inverting modes. In buck mode, it reduces the output voltage to a level lower than the input voltage while in boost mode, it increases the output voltage to a level higher than the input. In inverting mode, the output voltage is inverted. The device is CLK latched, which allows synchronization with an external clock and allows operation with phase-shifted signals.

The switching regulator is powered by two external resistors, one is connected to the VBIAS pin and the other to the REF pin to set the switching frequency and output voltage and current limit. The switching frequency can be adjusted from 150 kHz to 600 kHz. The output voltage can be adjusted from 0.75V to 4.5V with an accuracy of ±2%. The current limit can be adjusted from 400 mA to 900 mA.

The MIC22705YML-TR switching regulator also features an integrated power MOSFET, allowing it to increase efficiency by reducing conduction losses, and features internal soft-start and current limit capability for protection against short circuits and overloaded circuits.

The MIC22705YML-TR device also offers over-temperature protection and thermal shutdown to ensure the device won’t be damaged by excessive current. Furthermore, the device is reverse voltage protected to ensure that the device is not damaged in the event of incorrect voltage polarity applied to the device.

The MIC22705YML-TR is a low-cost, low-power switching regulator ideal for use in battery-operated portable electronic devices. It is well suited for a wide range of applications including cellular phones, MP3 players, digital cameras and industrial, medical, and automotive applications.

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