MIC5209-1.8YM

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The MIC5209-1.8YM is a high-performance, low dropout linear voltage regulator. It is typically used in power management applications that require low output current and low input-output voltages differential. The low output current and low input-output voltages differential combined with the very low quiescent current allow for extremely efficient operation in a wide range of applications.

The MIC5209-1.8YM is capable of regulating a wide range of input voltages, from 1.4 to 4.3V. The maximum output voltage is adjustable from 0.7 to 1.8V, with a ±2% initial accuracy. This output voltage can be further digitally adjusted with an external resistor divider. The output voltage is stable and highly accurate, and the voltage regulation is excellent. Furthermore, the MIC5209-1.8YM provides over current and thermal shutdown protection, as well as short-circuit and reverse-polarity protection. This ensures a robust and reliable solution for any application.

The MIC5209-1.8YM is well suited for many low-power applications such as: digital logic power, battery-operated devices, cellular telephones, personal digital assistants, audio/video players, point-of-sale terminals, and automotive components. Other applications such as VCOs, oscillators and most 3V and 5V systems also benefit from this linear voltage regulator.

The MIC5209-1.8YM is designed to be easy to use. The chip has an externally controlled operating mode, which allows the output voltage to be increased or decreased by an external resistor divider. The divider resistor values can be programmed by the user to suit the desired output voltage. The MIC5209-1.8YM also has an internal protection circuit, which monitors for current and short-circuits, and shut down the device in the event of an overcurrent or short-circuit. This protection circuit also monitors for an over temperature condition, and shuts down the regulator when the die temperature rises to a set temperature.

The MIC5209-1.8YM uses a pass transistor to regulate the output voltage. A reference voltage is set by an internal bandgap reference voltage. The output voltage is regulated by comparing this reference voltage with a voltage drop across the pass transistor, which is proportional to the output current. This feedback loop ensures that the output voltage is regulated at the desired level. The output voltage is further stabilized by the use of an error amplifier, which drives the pass transistor to compensate for any variations in the output voltage.

The MIC5209-1.8YM is a low dropout linear voltage regulator that is easy to use and designed for low power applications with excellent performance. Its wide input and output range, low quiescent current, excellent output voltage regulation, and comprehensive overload protection make the MIC5209-1.8YM an ideal choice for applications that require a low dropout linear regulator and stable, low power operation.

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