MIC94355-4YMT-T5

Current - Output:	500mA
Base Part Number:	MIC94355
Supplier Device Package:	6-TDFN (1.6x1.6)
Package / Case:	6-UFDFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature
Control Features:	Enable
PSRR:	85dB ~ 50dB (100Hz ~ 5MHz)
Current - Quiescent (Iq):	250µA
Series:	Ripple Blocker™
Voltage Dropout (Max):	0.2V @ 500mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	1.2V
Voltage - Input (Max):	3.6V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

The MIC94355-4YMT-T5 is a linear voltage regulator. It is designed for power supplies and high-current applications that require components with low quiescent current. The regulator is capable of providing stable 3.3V output voltage and features low noise operation, low standby current, and thermal shutdown protection.

Applications

The MIC94355-4YMT-T5 is ideal for applications that require a reliable and stable 3.3V output voltage. It is specifically designed to provide power to integrated circuits, processors, and other devices requiring a regulated voltage supply. The regulator offers low noise operation, low quiescent current, and superior reliability. It is also suitable for use in automotive, industrial, and commercial applications.

Features

The MIC94355-4YMT-T5 offers several features that make it an attractive option for use in linear voltage regulation applications. It provides a regulated 3.3V output voltage, with a reliable ±3% accuracy and a wide operating temperature range of -40° to 85° C. It has low quiescent current with an average 0.25mA load current, and a low noise operation of less than 50µVrms. The device also features a wide input voltage range of 2.5V to 36V, suitable for automotive applications. Additionally, the regulator has over-temperature and over-current protection, as well as over-voltage protection to ensure reliable device protection in the event of abnormal operating conditions.

Working Principle

The MIC94355-4YMT-T5 linear voltage regulator works on the principle of voltage regulation. It consists of an input voltage supply, an external sense resistor, and an output voltage reference. The regulator adjusts the output voltage to the reference voltage via feedback from the external sense resistor. The feedback voltage is compared to the reference voltage and the output voltage is adjusted accordingly to ensure an accurate output voltage.The regulator works by sensing the difference between the input and output voltages. The input voltage is compared to a reference voltage by the voltage error amplifier. The voltage error amplifier compares the input voltage to the reference voltage and adjusts the output voltage accordingly. This feedback loop ensures that the output voltage remains stable and within the specified accuracy.

Conclusion

The MIC94355-4YMT-T5 is a linear voltage regulator designed for automotive, industrial, and commercial applications. It is capable of producing a stable 3.3V output voltage, with ±3% accuracy and a wide operating temperature range. It has low quiescent current with an average 0.25mA load current, and low noise operation of less than 50µVrms. Additionally, the device has over-temperature and over-current protection, as well as over-voltage protection, to ensure reliable device protection. The device also works on the principle of voltage regulation, wherein the difference between the input and output voltages is sensed and the output voltage is adjusted accordingly.

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