MIC5259-2.5YD5-TR

Current - Output:	300mA
Base Part Number:	MIC5259
Supplier Device Package:	TSOT-23-5
Package / Case:	SOT-23-5 Thin, TSOT-23-5
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature, Under Voltage Lockout (UVLO)
Control Features:	Enable
PSRR:	65dB ~ 53dB (10Hz ~ 10kHz)
Current - Supply (Max):	250µA
Current - Quiescent (Iq):	150µA
Series:	--
Voltage Dropout (Max):	0.55V @ 300mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	2.5V
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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MIC5259-2.5YD5-TR Application Field and Working Principle

The MIC5259-2.5YD5-TR is a low-dropout (LDO) voltage regulator from Microchip Technology Inc. that is categorized as a linear Positive Voltage Regulator (PMIC). It is a two-terminal integrated circuit that offers a wide range of power management capabilities. The MIC5259-2.5YD5-TR provides a variety of features and functions, including a 5.0V fixed output voltage with a temperature range of ?40°C to 85°C, low quiescent current consumption (less than 9μA), fast transient response, and low output ripple (less than 10mV). The MIC5259-2.5YD5-TR is designed to operate in a wide range of applications, including microcontroller systems, embedded systems, radio frequency systems, and industrial applications. The MIC5259-2.5YD5-TR contains many components, such as an error amplifier, current limit transistor, external circuitry, and compensation network. The error amplifier helps to ensure accurate regulation of the output voltage by sensing voltage differences between its input and the reference voltage. The current limit transistor is used to limit the maximum output current to prevent the device from overheating or damaging components. The external circuitry is used to filter the output for improved EMI performance. Lastly, the compensation network is used to provide a stable feedback loop for precise voltage regulation. The MIC5259-2.5YD5-TR also includes several protection features, such as output overvoltage protection, output overcurrent protection, and over-temperature protection. Output overvoltage protection safeguards the device and the connected components by limiting the output voltage to a pre-defined maximum level. Output overcurrent protection prevents the device from short circuit damage due to excessive current draw. Finally, the over-temperature protection prevents the device from operating beyond its specified temperature range.The MIC5259-2.5YD5-TR provides a high level of integration and design flexibility for achieving a desired level of performance. It offers adjustable and fixed output voltages, as well as Selectable Soft-Start, which enables fine-tuning the start-up behavior of the device. In addition, the MIC5259-2.5YD5-TR offers significant advantages over previous generations of voltage regulators. It is designed to be stable, efficient, and reliable with minimal external components, and utilizes advanced technology to reduce power consumption and device size. It is also designed to have excellent thermal dissipation characteristics, allowing it to comfortably handle higher input voltages and higher power levels.In conclusion, the MIC5259-2.5YD5-TR is an ideal choice for a variety of power management applications, offering high levels of integration, flexibility, performance, and reliability. With an industry-standard 5V voltage output, temperature range from -40°C to 85°C, Selectable Soft-Start, protection features, high output ripple suppression, and low quiescent current, the device is sure to meet the needs of both high-end power management applications and everyday applications.

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