MIC29201-3.3BT

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MIC29201-3.3BT is a low-dropout (LDO) voltage regulator that provides an adjustable output voltage. It features a wide input voltage range and low quiescent current. This device is suitable for portable electronic devices such as cellular phones, PDAs, portable audio players, notebook PCs, and other battery-powered equipment.

The device operates as a simple buck-boost regulator with an input rail voltage that is higher than the output rail voltage. When enabled, it regulates the output voltage to within ±2.5% of the selected output voltage. The MIC29201-3.3BT has a current-mode architecture that provides fast, accurate line and load transient response.

The MIC29201-3.3BT offers a fast transient response, low quiescent current, and low dropout voltage operation. It is designed to have a low quiescent current that is less than 40 μA when the regulator is enabled, and less than 1 μA when disabled. This provides excellent power-saving capability for battery-powered applications.

The device also offers wide operating temperature range from -40°C to 85°C. It also provides over-temperature protection and over-voltage protection. The MIC29201-3.3BT is available in a 10-Pin (3 x 3 mm) Leadless (MLP) package.

The working principle of the device can be summarized in two stages. The first stage is the buck-conversion. The input voltage is fed into an on-chip buck regulator, which regulates the output voltage relative to the input voltage. The output voltage is regulated to within ±2.5% of the intended value.

The second stage is the linear-regulator. The regulated output voltage is then fed into an on-chip linear regulator, which further regulates the output voltage relative to the input voltage. An external resistor is used to set the output voltage.

Overall, the MIC29201-3.3BT is an efficient low-dropout voltage regulator that provides an adjustable output voltage. It is designed to have a wide input voltage range and low quiescent current. It also provides fast line and load transient response, over-temperature and over-voltage protection. This device is suitable for portable and battery-powered devices, and is available in a 10-Pin (3 x 3 mm) Leadless (MLP) package.

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