MIC4930YFL-TR

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The MIC4930YFL-TR is a type of DC DC switching regulator that belongs to the category of Voltage Regulators as part of the Power Management Integrate Circuit (PMIC) family. This regulator is capable of controlling current to an output voltage without the use of additional power or voltage control circuitry. The main features of the MIC4930YFL-TR make it suitable for a range of applications, such as power supply design, power converter design and power savings.

Application Field

The MIC4930YFL-TR is a low power DC to DC converter with a wide range of applications. The device is often used in battery powered applications and can be used in energy storage systems such as Li-ion battery packs, mobile device batteries and accumulators to increase efficiency and reduce power consumption. It is also applicable to other high power portable electronic systems such as laptop computer power sources, solar power systems, and battery chargers. Aside from portable electronic systems, the MIC4930YFL-TR can be used in automotive systems, including electric vehicles, electric bicycle motors and other automotive power sources.

Working Principle

The MIC4930YFL-TR is designed to switch between two distinct voltage levels without impacting the output voltage. It utilizes a Pulse Width Modulation (PWM) technique to control the output voltage. With this technique, two voltage levels are set and the pulse width is adjusted in response to changes in the output voltage. As the output voltage rises, the pulse width is reduced and as the output voltage drops, the pulse width is increased. The result is a smooth output voltage that is held at a constant level.

The device is also capable of re-powering itself when the input voltage level is lower than the minimum output voltage. It achieves this by drawing energy from the output capacitor. This process is known as “Power Good” and is especially useful in applications which require a stable and reliable power source, such as critical medical equipment.

The MIC4930YFL-TR also features a standby current mode which allows the device to operate with low power consumption while waiting for the output voltage to increase. The device is triggered by a rising input voltage and the device switches from standby mode to full operation. This feature prevents unnecessary power draw without sacrificing performance.

Conclusion

The MIC4930YFL-TR DC to DC converter is a versatile and powerful voltage regulator which fits in to a wide range of applications. Its ability to switch between two distinct voltage levels without impacting the output voltage, as well as its low power consumption and “Power Good” feature make it a popular choice for many power management and battery powered applications.

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