MCP1501T-12E/RW

The MCP1501T-12E/RW is a voltage reference device in the power management integrated circuits (PMIC) family. Operating at the low-power band of 2.7V to 5.5V, it offers fast and accurate bandgap voltage reference for critical applications such as active voltage scaling, high-precision analog and digital power control, etc. The device supports a wide range of temperature range (-40°C to +125°C), and its main characteristics are low power consumption (3 µA max) and low voltage noise (0.3 µVrms).The MCP1501T-12E/RW offers the possibility of adjustable and high liner voltages with a load regulation of up to ±10 mV. Its reference voltage is 0.6V with a maximum output voltage of 5V and output impedance of 4.5 kΩ. It also has an accuracy of ±10 mV over the full-temperature range and a start-up accuracy of ±50 mV if powered from positive or negative supply voltages. In addition, the device has a built-in current limiting circuit to limit the output current to 2mA dropout in order to protect the device from external loads.The application field of MCP1501T-12E/RW includes active voltage scaling, precision analog and digital power management, voltage reference, and general system and power supplies. The device is suitable for a wide range of applications due to its low power and low noise characteristics. It is used extensively in automotive, military, industrial, and consumer electronics and is crucial in providing reliable operation and high accuracy in a variety of circumstances.The working principle of the MCP1501T-12E/RW is based on a force-feedback topology utilizing an epitaxial silicon resistor to stabilize the reference voltage. The bipolar junction transistor (BJT) embedded in the device acts as an amplifier in order to sense the reference voltage and provide a feedback to the output. This will ensure the stability of the reference voltage without any temperature drift. The reference voltage of 0.6V is determined by the voltage divider network. This network, consisting of an adjustable resistor and a series-connected fixed resistor, determines the appropriate level of current required to be fed back into the BJT, thus controlling the reference voltage.The MCP1501T-12E/RW is a useful and reliable voltage reference device which can be used for a wide range of low-power applications. Its low-power consumption, high accuracy and its wide temperature range make it an excellent choice for users who need to build high-precision power supplies and systems.