MIC49500-1.2WU

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MIC49500-1.2WU is a linear voltage regulator designed by Micrel, Inc. It is classified under Power Management IC(PMIC) category and specifically under Voltage Regulators - Linear category. The device is ideal for low voltage, low power applications and offers many innovative features for improved performance.

The MIC49500-1.2WU operates from a single supply and offers up to 1.2A output current at output voltage up to 5.5V, making it suitable for many low voltage, low power applications. It has an integrated protection circuit, which prevents device shutdown in case of overvoltage or short-circuit conditions. The protection circuit also prevents output voltage overshoot at the time of startup.

The MIC49500-1.2WU features an integrated reverse current protection circuit, which prevents external circuitry from draining the output of the regulator. It also features an automatic shut-down mode, which helps conserve power in the event of an overload or short circuit condition. The device features over temperature protection that limits the output voltage in case of an over temperature condition.

The MIC49500-1.2WU employs a linear regulator topology to maintain a constant output voltage at the output terminals. It uses a voltage reference, an amplifier, and a series reference transistor to sense the output voltage and control the current flow through the series transistor to maintain the desired output voltage. The device also includes a thermal shutdown circuit that shuts down the device in the event of an over temperature situation.

The device has an enable/disable function which is useful for power management and aids in conserving power in low power applications. When the enable pin is high, the regulator is enabled and continues to regulate the output voltage. When the enable pin is low, the device is disabled and does not consume any power.

The MIC49500-1.2WU has an adjustable current limit that allows the user to adjust the maximum current drawn from the regulator. This allows the user to tailor the device to the specific application requirements.The device also has an adjustable dropout voltage which allows the user to set the dropout voltage to the minimum level required for operation.

The MIC49500-1.2WU has a very low quiescent current and can operate at very low current levels in low power applications. It has a high reverse current protection rating and is immune to most transient conditions. It is suitable for a wide temperature range and can operate over a wide range of output voltages.

The MIC49500-1.2WU has a high equivalent output resistance, which ensures that the output voltage remains stable even at heavy load conditions. The device also features an adjustable soft start feature, which prevents output voltage overshoot at the time of start up. This feature is useful in applications where output voltage stability is critical.

The MIC49500-1.2WU is packaged in a small 8-pin SMD package, and is well suited for use in space constrained applications. The device is lead free and RoHS compliant. It is available in multiple temperature grades and offers excellent performance.

The combination of excellent performance, low quiescent power and small size makes the MIC49500-1.2WU the ideal solution for a variety of low voltage, low power applications. It is an excellent choice for use in power management applications where performance, reliability, and low quiescent power are desired.

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