MCP1701T-3002I/MB

MCP1701T-3002I/MB Application Field and Working Principle

MCP1701T-3002I/MB is a low-dropout, high-input-and-output voltage, low-current, low-power linear voltage regulator belonging to the PMIC - Voltage Regulators - Linear family. This regulator is intended for use in the regulation of positive voltage rail applications. It features thermal shutdown, current limit, and reverse current protection.

Overview

The MCP1701T-3002I/MB is an ultra-low-dropout (LDO) linear regulator that can supply up to 300 mA at up to 3 V. It includes an integrated P-MOSFET and an RC filter for fast transient response. It offers excellent PSRR, power efficiency, and power-supply ripple rejection. Furthermore, this device has short-circuit protection, overload protection, and thermal shutdown protection.

Features

• Ultra-low dropout voltage
• High input-and-output voltage
• Low current and low power
• Integrated P-MOSFET and an RC filter
• Excellent PSRR and power-supply ripple rejection
• Short-circuit and overload protection
• Thermal shutdown protection
• Low quiescent current

Application Field

The MCP1701T-3002I/MB is a perfect choice for many ultra-low-dropout (LDO) linear regulator applications. It is suitable for portable and low-power applications such as mobile phones, cordless phone, PDAs, cellular base, tablets, and other battery-powered applications. It is also a great solution for other industrial and automotive applications requiring a low-dropout voltage and a low-output voltage.

Working Principle

The MCP1701T-3002I/MB is an ultra-low-dropout (LDO) linear voltage regulator. It features integrated P-MOSFET, an RC filter to provide fast transient response, and other features such as short-circuit protection, overload protection, and thermal shutdown protection. At its core, the MCP1701T-3002I/MB works by using a P-MOSFET to control the flow of current between its two terminals, the input and the output. The input voltage is regulated by a feedback loop that is controlled by a built-in error amplifier. The error amplifier measures the output voltage using a voltage divider between the output terminal and the feedback terminal. Then, it compares the actual output voltage with the reference voltage. If the output voltage is not equal to the reference voltage, the error amplifier will adjust the P-MOSFET gate voltage to regulate the output voltage. The fundamental principle of operation for the MCP1701T-3002I/MB is no different than other linear voltage regulators.

Conclusion

The MCP1701T-3002I/MB is an excellent choice for many ultra-low-dropout (LDO) linear voltage regulator applications. It is suitable for portable and low-power applications such as mobile phones, cordless phone, PDAs, cellular base, tablets, and other battery-powered applications. It offers excellent PSRR, power efficiency, and power-supply ripple rejection for a high-performance and reliable operation.