MCP1501T-20E/SN

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MCP1501T-20E/SN belongs to the category of PMIC - Voltage Reference. It is a two-terminal, low-power voltage reference with a very precise voltage reference of 1. developed and released by Microchip Technology. It is frequently used in all kinds of applications such as low-power switching power, linear regulator and points of warning, due to its precision and its low-power consumption.

This voltage reference is an accurate two-terminal reference device with a typical accuracy of better than a 1 mV (1 millivolt) over the −20°C to +85°C temperature range, while using a dual junction package with a high quality HA5 ceramic capacitor. It provides a stable 1V reference voltage and is capable of driving up to 30mA of current.

The MCP1501T-20E/SN provides protection against excessive supply voltage, causing damage to the chip due to its high-grade power MOSFET padding with zener diode, protecting it from over-voltage. This voltage reference has an operating supply voltage range of 2.5V to 12V, ensuring that the chip can work with the most common power supply ranges.

In addition to its standard features, it offers some unique features such as low drift performance, excellent line and load regulation, low noise operation, and low supply current. The MCP1501T-20E/SN also provides two important outputs for controlling a wide variety of applications. There\'s a voltage divided output, a logic-level output, and an application select mode.

The working principle of this voltage reference device is based on a bandgap reference. A bandgap reference is a type of voltage reference circuit that uses two transistors to produce a voltage reference with a very high degree of accuracy and stability. The transistors are configured to form an oscillator, and with the addition of a precision voltage divider, the oscillator output voltage is regulated to the reference voltage.

The circuit works as follows: A constant current is applied to one transistor, while the other transistor is used as the output device. Since both transistors are subject to the same environmental conditions (temperature, supply voltage, etc.), their dynamic characteristics are exactly the same, thus making the circuit temperature-stable. The constant current is used to cause the junction between the two transistors to generate a voltage, which is then filtered and regulated to the reference voltage.

The high accuracy of this voltage reference makes it a popular choice for applications requiring a very precise and stable reference voltage, such as computing platforms, automotive electronics and for sensor interface/control systems. It is suitable for both consumer and industrial applications.

In conclusion, the MCP1501T-20E/SN is a precision voltage reference device offering very low power and excellent temperature stability, making it ideal for a wide range of applications requiring a precise and stable reference voltage.

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