Allicdata Part #: | 576-1245-ND |
Manufacturer Part#: |
MIC5191YMM |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Microchip Technology |
Short Description: | IC LNR REG CTRLR 1OUT 10MSOP |
More Detail: | Linear Regulator Controller IC Positive Adjustable... |
DataSheet: | MIC5191YMM Datasheet/PDF |
Quantity: | 191 |
Series: | -- |
Packaging: | Tube |
Part Status: | Active |
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-TFSOP, 10-MSOP (0.118", 3.00mm Width) |
Supplier Device Package: | 10-MSOP |
Base Part Number: | MIC5191 |
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The MIC5191YMM is a high performance low dropout (LDO) linear regulator controller that offers dual LDO capability in a single package. It is designed to provide a stable output voltage with low noise, low power dissipation, and low EMI emissions, making it suitable for a wide range of applications.
Overview
The MIC5191YMM is a switching regulator controller, which provides configuration flexibility and features an adjustable voltage reference, low quiescent current, and adjustable load regulation. It consists of an over voltage protection (OVP) circuit, a linear hold circuit, a soft-start circuit, and a power-on reset circuit. It is designed to provide a stable output voltage with low noise, low power dissipation, and low EMI emissions.
Application Field
The MIC5191YMM is suitable for a variety of applications, including communications, consumer electronics, industrial, medical, and automotive. Its low dropout voltage, wide operating temperature range, and adjustable output voltage make it suitable for a variety of power requirements. Additionally, it can be used to provide power management in battery-operated systems, where stable voltage and low power consumption are critical.
Working Principle
The MIC5191YMM operates on an open-loop architecture. It features an adjustable voltage reference which sets the output voltage, a low quiescent current, and adjustable load regulation. When EMI or transient events cause the output voltage to exceed the set voltage level, the MIC5191YMM’s over voltage protection (OVP) circuit will clamp the voltage to the set voltage level. The MIC5191YMM also features a linear hold circuit which is triggered by an external signal, thus preventing output over-voltage. Furthermore, the MIC5191YMM includes a soft-start feature which reduces start-up inrush current, resulting in a smooth power-up sequence and reduced EMI emissions. Finally, the MIC5191YMM includes a power-on reset circuit, which ensures system stability while allowing for delayed start-up if desired.
Conclusion
The MIC5191YMM is a high performance low dropout (LDO) linear regulator controller that offers dual LDO capability in a single package. It is designed to provide a stable output voltage with low noise, low power dissipation, and low EMI emissions, making it suitable for a wide range of applications. The MIC5191YMM can be used for communications, consumer electronics, industrial, medical, and automotive applications, where stable voltage and low power consumption are critical. Additionally, its adjustable voltage reference, low quiescent current, adjustable load regulation, and other features enable the MIC5191YMM to provide precise performance and power management when needed.
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