MCP1711T-30I/5X

Current - Output:	150mA
Base Part Number:	MCP1711
Supplier Device Package:	4-UQFN (1x1)
Package / Case:	4-UDFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Protection Features:	--
Control Features:	Enable
PSRR:	--
Current - Supply (Max):	1.80µA
Current - Quiescent (Iq):	1.27µA
Series:	--
Voltage Dropout (Max):	0.67V @ 150mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	3V
Voltage - Input (Max):	6V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction to the MCP1711T-30I/5X

The MCP1711T-30I/5X is a low-voltage, linear voltage regulator from Microchip Technology. It is a member of the Microchip Technology family of parameterizable voltage regulators and is designed for use in single-cell Li-ion and Li-polymer battery applications. It offers 270mV reference voltage accuracy with an output voltage range of 1.2V to 5.5V. In addition, the MCP1711T-30I/5X has several features designed to increase system performance, including very low quiescent current, high output current, and fast load and line transients.

Application Field of MCP1711T-30I/5X

The MCP1711T-30I/5X is well suited for a wide range of battery powered applications. It is used to regulate the voltage of portable and mobile devices, such as medical and industrial systems, handheld instruments, and other battery powered products. It is also suitable for automotive and transducer systems, as well as a wide range of other low power applications.

Working Principle of MCP1711T-30I/5X

The MCP1711T-30I/5X is a linear voltage regulator that utilizes Voltage Regulator Mode (VREG) to ensure the output voltage remains stable no matter the input voltage. The regulator operates in either low dropout or fixed mode. In low dropout mode, the voltage regulator senses the output voltage and adjusts the gate drive current and gate threshold to maintain the output voltage at the desired level. In fixed mode, the voltage regulator controls the gate drive current and gate threshold to maintain the output voltage at the desired level. In operation, the device controls the output voltage by comparing the internal reference voltage to the input voltage. When the input voltage is greater than the reference voltage, the device will reduce the gate drive current and gate threshold voltage so that the output voltage is held constant on the low dropout and fixed voltage modes. Conversely, when the input voltage is greater than the reference voltage, the device increases the gate drive current and gate threshold voltage so that the output voltage remains constant. The MCP1711T-30I/5X uses a unique multi-phase architecture to optimize transient response and reduce operating temperature. This architecture allows for faster startup and load transient response. Additionally, the device includes an internal thermal shutdown feature to protect it from over-temperature situations.

Conclusion

The MCP1711T-30I/5X from Microchip Technology is a low-voltage, linear voltage regulator and a member of the Microchip Technology family of parameterizable voltage regulators. It is designed for use in single-cell Li-ion and Li-polymer battery applications and offers an output voltage range of 1.2V to 5.5V. It also has a 270mV reference voltage accuracy, low quiescent current, and fast load and line transients. The MCP1711T-30I/5X is suitable for a wide variety of battery powered applications, and its multi-phase architecture gives it an advantage in terms of transient response and reduced operating temperature.

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