Current - Output:	300mA
Base Part Number:	MIC5501
Supplier Device Package:	4-TDFN (1x1)
Package / Case:	4-UDFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature
Control Features:	Enable
PSRR:	60dB (1kHz)
Current - Supply (Max):	65µA
Current - Quiescent (Iq):	55µA
Series:	--
Voltage Dropout (Max):	0.38V @ 300mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	3V
Voltage - Input (Max):	5.5V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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MIC5501-3.0YMT-T5 Application Field and Working Principle

Introduction

The MIC5501-3.0YMT-T5 is a precision low dropout, linear voltage regulator with current limiting, designed to offer improved voltage resolution, high power efficiency and high power dissipation. It is the latest voltage regulator in the MIC5501 family and it offers a high performance solution for a wide range of applications including automotive, industrial control and embedded computing. The MIC5501-3.0YMT-T5 is an ideal replacement for larger, bulky linear voltage regulators as well as low power, discrete devices.

Application Field

The MIC5501-3.0YMT-T5 series of low dropout, linear voltage regulators is ideal for a range of applications such as automotive systems, embedded computing, industrial control and peripheral devices. For automotive applications, the device offers improved voltage resolution for temperature monitoring circuits, switch mode power supplies, fuel gauge ICs and other power management integrated circuits (ICs). The MIC5501-3.0YMT-T5 also provides reliable precision regulation in industrial and embedded computing applications such as embedded processors, memory circuits and I/O modules.

Working Principle

The MIC5501-3.0YMT-T5 provides a voltage output by regulating the input voltage with a low dropout, linear regulator. It leverages a steadi-state, Pulse Width Modulated (PWM) control technique to regulate the output voltage. This technique reduces the voltage drop between input and output, which results in higher efficiency and lower power dissipation.Under normal operating conditions, the output voltage is regulated and maintained within its specified range. When there is a sudden increase in the load current, the PWM control feature kicks in to reduce the output voltage drop. This action increases the resistance of the device and prevents too much current from flowing out.The MIC5501-3.0YMT-T5 also features a current limit protection circuit. This circuit automatically shuts down the device if it detects a over-current condition. This makes the MIC5501-3.0YMT-T5 very robust and reliable in a wide range of application scenarios.

Conclusion

The MIC5501-3.0YMT-T5 is a precision low dropout, linear voltage regulator with current limiting designed specifically for automotive, industrial, and embedded computing applications. It combines the advantages of high power efficiency, high power dissipation, low voltage drop, and current limit protection to provide a superior power solution for a wide range of applications.

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