MIC94310-FYMT-TR

Current - Output:	200mA
Base Part Number:	MIC94310
Supplier Device Package:	4-TMLF® (1.2x1.6)
Package / Case:	4-UFDFN Exposed Pad, 4-TMLF®
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature
Control Features:	Enable
PSRR:	85dB ~ 50dB (100Hz ~ 10MHz)
Current - Quiescent (Iq):	250µA
Series:	Ripple Blocker™
Voltage Dropout (Max):	0.1V @ 200mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	1.5V
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 MIC94310-FYMT-TR is an integrated linear voltage regulator specifically designed for audio and power supply applications in commercial and industrial electronic devices. It is one of a wide range of MIC voltage regulators available from Microchip Technology, designed to provide precise and efficient power management solutions for both digital and analog circuits. This device features an adjustable output voltage range from 1.2V to 6.0V, current limiting, thermal overload protection, and a full range of output voltage protection features. The MIC94310-FYMT-TR provides high power conversion efficiency and a maximum operating temperature of 125ºC.

Application Field

The MIC94310-FYMT-TR is a versatile integrated device solution for a variety of embedded applications such as low noise audio amplification and high efficiency power supplies. It is suitable for high reliability power applications such as point-of-use power supplies, low power applications such as battery powered portable devices, and industrial and telecom applications that require precise and reliable voltage regulation. It is ideal to use in audio circuits, telecommunications, computers, and industrial and consumer electronics.

Output Voltage Range

The MIC94310-FYMT-TR features an adjustable output voltage range from 1.2V to 6.0V. It is designed to provide a stable, precise output voltage for a wide variety of applications. It has an output accuracy of 0.2%, as well as a ripple rejection of 60dB at 10kHz. It has a maximum output current of 1.5A and can deliver up to 3A of peak current with its integrated anti-overload protection. The device also features programmable output voltage sequencing, which can be used to ensure the correct voltage is applied to the correct device at start-up.

Protection Features

The MIC94310-FYMT-TR is designed with a range of safety and protection features to ensure safe and reliable operation in a variety of applications. It includes short circuit protection, overvoltage protection, and thermal overload protection. The device also features undervoltage lockout and loss of regulation, both of which are designed to help protect the device in the event of an unexpected power failure or other voltage related failure.

Working Principle

The MIC94310-FYMT-TR is an integrated voltage regulator based on a conventional linear regulator topology. It uses a P-channel MOSFET to provide high power conversion efficiency. The device includes an internal error amplifier which is used to regulate the output voltage and provide feedback to the device to adjust the output voltage to the desired level. The input voltage is then compared to the reference voltage, and any difference is fed back to the control circuitry to generate the necessary correction signal. This allows the device to provide a precise, stable output voltage regardless of the input voltage.

Conclusion

The MIC94310-FYMT-TR is an integrated linear voltage regulator designed for audio and power supply applications in commercial and industrial electronic devices. It features an adjustable output voltage range from 1.2V to 6.0V, current limiting, thermal overload protection, and a full range of output voltage protection features. It is suitable for high reliability and high efficiency power applications, and features an impressive ripple rejection, output accuracy and maximum operating temperature. The device is based on a conventional linear regulator topology, using a P-channel MOSFET for efficient power conversion.

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