MIC5365-1.8YMT-TZ

Current - Output:	150mA
Base Part Number:	MIC5365
Supplier Device Package:	4-TMLF® (1x1)
Package / Case:	4-UDFN Exposed Pad, 4-TMLF®
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature
Control Features:	Enable
PSRR:	80dB ~ 65dB (1kHz ~ 10kHz)
Current - Quiescent (Iq):	39µA
Series:	--
Voltage Dropout (Max):	0.38V @ 150mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	1.8V
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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Introduction

MIC5365-1.8YMT-TZ, developed by Micrel Inc.(“Micrel”), is a Precision High Efficiency Low Dropout (LDO) linear voltage regulator. It has a 1.8V maximum input voltage and can provide up to 500mA output current. The MIC5365-1.8YMT-TZ provides excellent transient and load regulation with low noise. It is designed for use in applications such as personal computers, cell phones, digital cameras, audio devices, and other applications that require low noise and high efficiency performance.

Application Fields

The MIC5365-1.8YMT-TZ is a low voltage, high current, low dropout linear voltage regulator. It is used in many applications where low input voltage, high output current, low noise, and high efficiency are required. Common applications of the MIC5365-1.8YMT-TZ include:

• Personal Computers
• Cell phones
• Digital cameras
• Portable devices
• Audio devices

Features and Benefits

The MIC5365-1.8YMT-TZ offers a number of features and benefits which make it an ideal choice for a variety of applications. The key features and benefits are:

• High Power Output: The MIC5365-1.8YMT-TZ can provide up to 500mA of output current. This is higher than many competing voltage regulators.
• Low Noise: The MIC5365-1.8YMT-TZ has very low noise performance, making it ideal for audio applications.
• High Efficiency: The MIC5365-1.8YMT-TZ can operate at over 85% efficiency. This provides a cost effective solution for applications that require low noise, high power output, and high efficiency.
• Low Dropout Voltage: The MIC5365-1.8YMT-TZ has a dropout voltage of 150mV at 500mA, making it ideal for applications where a low dropout voltage is required.
• Small Package Size: The MIC5365-1.8YMT-TZ is available in a very small package size, making it suitable for many applications where space is at a premium.

Working Principle

The MIC5365-1.8YMT-TZ is a linear voltage regulator. It works by reducing the output voltage while maintaining a constant current. This is done by two separate components: an external resistor and an internal transistor. The external resistor sets the output voltage. When the input voltage is greater than the output voltage, the transistor acts as a variable resistor, allowing more current to flow if the input voltage is higher than the output voltage. This causes the output voltage to drop. The dropout voltage is the difference between the output voltage and the input voltage at which the linear regulator stops dropping the output voltage. The other component is the transistor. It is used to control the amount of current that is allowed to flow through the circuit. The transistor acts as a current limiter, allowing only the amount of current that is necessary to maintain the desired output voltage.

Conclusion

The MIC5365-1.8YMT-TZ is a low voltage, high current, low noise linear voltage regulator. It is designed for use in applications that require high power output, low noise, and high efficiency. The MIC5365-1.8YMT-TZ is an ideal choice for applications such as personal computers, cell phones, digital cameras, audio devices, and other applications that require low noise and high efficiency performance.

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