MIC2211-GSBML-TR

Current - Output:	150mA, 300mA
Base Part Number:	MIC2211
Supplier Device Package:	10-MLF® (3x3)
Package / Case:	10-VFDFN Exposed Pad, 10-MLF®
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature
Control Features:	Enable
PSRR:	60dB ~ 40dB (1KHz ~ 20kHz)
Current - Quiescent (Iq):	80µA
Series:	--
Voltage Dropout (Max):	0.25V @ 150mA, 0.42V @ 300mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	1.8V, 3.3V
Voltage - Input (Max):	5.5V
Number of Regulators:	2
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Discontinued at Digi-Key
Packaging:	Tape & Reel (TR)

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Introduction

The MIC2211-GSBML-TR is a high performance, low-noise 3.3V Fixed Linear Regulator from Micrel Semiconductor. It is designed to provide a stable, highly regulated output voltage in battery-operated, low voltage and high voltage applications. The MIC2211-GSBML-TR is a low-voltage regulator that is capable of operating from an input voltage up to 20V and providing a regulated output voltage of 3V.

Features and Benefits

The MIC2211-GSBML-TR offers a number of features and benefits including:

• High performance, low-noise operation
• Low-Voltage operation with up to 20V input range
• High output voltage accuracy over both temperature and line variations
• Fast transient response and low output noise
• Internal Reverse Current Protection
• High Pb-free temperature range: -40°C to +125°C

The MIC2211-GSBML-TR is suitable for a variety of applications and is ideal for battery-operated, low voltage and high voltage applications.

Application Field

The MIC2211-GSBML-TR offers a number of advantages for use in a wide range of applications. It is a good choice for applications such as portable equipment, automotive electronics, digital signal processing and industrial control. Its high performance and low-noise operation make it ideal for applications that require precise regulation.

• Portable Equipment: The MIC2211-GSBML-TR is an ideal voltage regulator for portable equipment such as laptops, PDAs and mobile phones. Its low-noise operation makes it well suited for battery powered portable equipment, providing a stable output voltage.
• Automotive Electronics: The MIC2211-GSBML-TR is an ideal choice for automotive applications. Its reverse current protection and fast transient response make it well suited for use in automotive power supplies.
• Digital Signal Processing: The MIC2211-GSBML-TR is ideal for applications where precise regulation is required such as digital signal processors. Its low output noise and high accuracy over temperature and line variations allows for precise regulation of processor voltages.
• Industrial Control: The MIC2211-GSBML-TR is ideal for use in industrial control systems, providing stable and accurate regulation of power supplies. Its reverse current protection and fast transient response make it well suited for use in harsh industrial environments.

Working Principle

The MIC2211-GSBML-TR is a low-voltage linear voltage regulator. It is designed to provide a regulated output voltage of 3.3V from a higher input voltage, typically up to 20V. The regulator is designed to operate from a single supply and employs an internal error amplifier, current limit, reverse current protection and thermal shutdown as protection features. The regulator operates in a linear mode, which means that it is essentially an amplifier with gain greater than one. The input voltage is fed into the regulator and compared with an internally generated reference voltage. The error amplifier amplifies the difference between the two voltages and the output of the amplifier is a current which is used to adjust the output voltage.The current limit circuit ensures that the regulator is not overloaded. It limits the maximum amount of current that the regulator can provide at its output. This helps to ensure that the device is not damaged by overloading or a short circuit on the output of the device.The reverse current protection circuit ensures that the device will not be damaged if a reverse voltage is applied to the input of the device. The reverse current protection circuit will prevent current from flowing from the output of the device back to the input.The thermal shutdown circuit will activate if the junctions of the device begin to overheat. This helps to protect the device from becoming damaged due to excessive temperatures.

Conclusion

The MIC2211-GSBML-TR is a high performance, low-noise 3.3V Fixed Linear Voltage Regulator from Micrel Semiconductor. It is designed to provide a stable, highly regulated output voltage in battery-operated, low voltage and high voltage applications. The regulator is well suited for use in a variety of applications, including portable equipment, automotive electronics, digital signal processing and industrial control. It is capable of operating over a wide range of input voltages and has a built-in error amplifier, current limit, reverse current protection and thermal shutdown protection. The MIC2211-GSBML-TR is an ideal choice for applications that require precise and reliable low-voltage regulation.

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