MIC5163YMM

Series:	--
Packaging:	Tube
Part Status:	Active
Applications:	Controller, DDR3, GDDR3/4/5
Voltage - Input:	0.75 V ~ 6 V
Number of Outputs:	1
Voltage - Output:	Programmable
Operating Temperature:	-40°C ~ 125°C
Mounting Type:	Surface Mount
Package / Case:	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
Supplier Device Package:	10-MSOP
Base Part Number:	MIC5163

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Introduction
The MIC5163YMM is a special purpose device from Micrel that provides adjustable voltage output for a wide range of applications. This device can be used to provide precision voltage regulation with very low ripple and fast transient response. It has an adjustable output voltage range of 0.8V to 5.0V with an accuracy of 0.08V, making it ideal for applications that require high precision voltage regulation.
Applications
The MIC5163YMM versatile design makes it suitable for a wide range of applications. Some of the most common applications for this device include:
- Automotive electronics, such as power management for radio and navigation systems.
- Industrial control and instrumentation, such as AC/DC power supplies and micro-controllers.
- Telecom equipment, including power line transmission systems, base station equipment and routers.
- Medical equipment, such as defibrillators, imaging systems and patient monitoring systems.
- General-purpose applications, such as battery chargers and computer peripheral power supplies.
Features
The MIC5163YMM offers a number of features that make it an attractive choice for a variety of applications. These include:
- Two output voltage ranges of 0.8V to 5.0V and 5.0V to 13.2V, with an accuracy of 0.08V
- Very low output ripple, as low as 8mVpp
- Fast transient response, settling within 10µs
- Programmable over-voltage and over-current protection
- shutdown current of 2µA
- Internal compensation allowing for easy design optimization
Working Principle
The MIC5163YMM uses a control loop to maintain the regulated output voltage. This loop consists of three components: the feedback voltage, an error amplifier, and a compensation network. The output voltage is compared to an internal reference voltage by the error amplifier and the difference is used to generate a control signal. This control signal is then used to adjust the output voltage of the regulator.The feedback voltage is provided by an external resistor divider connected to the output voltage (V_OUT). The voltage developed across this resistor divider is compared to the reference voltage by the error amplifier. If the output voltage is higher than the reference voltage, the error amplifier will decrease the control signal, reducing the output voltage back to the desired level. Conversely, if the output voltage is lower than the reference voltage, the error amplifier will increase the control signal, raising the output voltage back to the desired level.The compensation network provides stability to the control loop. This network consists of an external capacitor connected to the error amplifier\'s output pin. The capacitor is used to control the bandwidth of the loop and prevent the system from oscillating.Conclusion
The MIC5163YMM is a special-purpose adjustable voltage regulator from Micrel that is ideal for applications requiring precision voltage regulation with very low ripple and fast transient response. It has an adjustable output voltage range of 0.8V to 5.0V with an accuracy of 0.08V, and features a number of features such as over-voltage and over-current protection, and shutdown current of 2µA. The device is capable of providing the necessary circuits to maintain the desired output voltage by using a control loop that consists of a feedback voltage, an error amplifier, and a compensation network.

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