MIC5191YML-TR Integrated Circuits (ICs)

Series:	--
Packaging:	Cut Tape (CT)
Part Status:	Discontinued at Digi-Key
Type:	Positive Adjustable
Number of Outputs:	1
Current - Supply:	15mA
Voltage - Input:	1 V ~ 5.5 V
Operating Temperature:	-40°C ~ 125°C
Package / Case:	10-VFDFN Exposed Pad, 10-MLF®
Supplier Device Package:	10-MLF® (3x3)

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Introduction

The MIC5191YML-TR is a voltage regulator controller IC manufactured by Microchip. The MIC5191 is a high precision linear regulator controller that features a wide output voltage range, high accuracy, and excellent transient response, making it well-suited for applications in the power management and automation.

Application Field and Working Principle

The MIC5191YML-TR is designed for applications in the industrial, automotive and communication markets where current regulation is needed. It is suitable for a wide range of output voltage applications, from 1.8V to 85V, and can provide a highly efficient, high power supply design solution.The MIC5191YML-TR has two operating modes: the continuous conduction mode (CCM) and the burst mode (BM). CCM provides a steady-state regulation of current flow from the input to a predetermined output voltage. When the output voltage level is reached, CCM reduces or stops the current flow. The MIC5191YML-TR can also operate in BM, which delivers current to the output when needed and is then turned off until the output voltage level is reached again.The MIC5191YML-TR provides high accuracy and low output voltage ripple levels. It offers fast transient response to ensure stability during load spikes, and a low frequency oscillator (LFO) eliminates the need for external compensation components. In addition, this linear regulator controller includes a protected mode which disables the control when abnormal conditions occur.

Conclusion

The MIC5191YML-TR is a high-precision linear regulator controller that offers a wide output voltage range, high accuracy, and excellent transient response. It is suitable for a wide range of applications in the power management and automation industries, including industrial, automotive and communication markets. The controller can operate in either continuous conduction mode or burst mode, providing efficient current regulation, fast transient response, and low frequency oscillation. In addition, the MIC5191YML-TR includes a protected mode which shuts down the IC in the event of an abnormal condition.

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