BU30SD2MG-MTR

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BU30SD2MG-MTR Application Field and Working Principle

BU30SD2MG-MTR is a voltage regulator which belongs to linear regulators family in PMIC (Power Management IC). It is a three-terminal positive adjustable regulator provides excellent efficient power solution for low power consumption. This voltage regulator is mainly used for providing voltage supply for low voltage and low current devices employ in ITE (Information Technology Equipment) power field. BU30SD2MG-MTR supports wide input voltage range, integrated protective functions and excellent temperature stability. These characteristics make it a robust and high efficient regulator solution.

The BU30SD2MG-MTR voltage regulator is featured with adjustable voltage output, wide input voltage range of 9V to 20V, output current of 0.2A and 100mA, over-current protection, over-temperature protection and short-circuit protection. It also features of low output noise, low dropout voltage and outstanding ripple rejection. The device is designed with inverting architecture and compensated for stability to provide robust and glitch-free response to dynamic load.

Functional Block Diagram

BU30SD2MG-MTR regulator has three main blocks:

• Reference Block: This block contains an internal voltage reference connected to the feedback loop.
• Comparator: A high-speed comparator is used to compare the output voltage with the reference voltage.
• Output Regulator: This block contains a low-side power switch, an output filter and a high-side driver.

Working Principle

The BU30SD2MG-MTR voltage regulator works as below:

• The reference voltage is generated from the internal reference block.
• The comparator compares the feedback voltage with the internal reference voltage.
• The output regulator block is connected to the comparator. The output regulator block controls the output voltage according the comparison. The output voltage is then regulated with the output filter.
• The output regulator block can reduce the power switch on time and increase the turn-off time to reduce the output voltage during dynamic changes. This prevents large output voltage and output current spike.

Features

BU30SD2MG-MTR voltage regulator offers various features that make it an ideal regulator choice:

• Wide input voltage range of 9V to 20V.
• Output voltage adjustable up to 5V or 1.2V.
• The output regulation is precise, high efficiency, low dropout voltage and low output noise.
• Output current of 0.2A and 100mA.
• Integrated protection functions such as over-current protection, over-temperature protection, and short-circuit protection.
• Excellent temperature stability for long term reliability.
• 100% production tested for Quality Assurance (QA).

Application Area

The BU30SD2MG-MTR voltage regulator is suitable for a wide range of low voltage and low current applications, such as:

• Datacenter applications.
• Docking station for laptop.
• IT and telecommunication.
• Personal computers, notebooks and small server systems.
• Industrial automation applications.
• Consumer electronics and appliances.
• Medical equipment and instrumentation.
• Chargers and adapters.

Advantages

BU30SD2MG-MTR voltage regulator offers several benefits to the user. It improves the performance and reliability of the system by providing precise voltage regulation, low input voltage dropout, wide input voltage range, high efficiency and outstanding thermal stability. It supports various protection functions to protect the system from short circuit, over current and over voltage. Moreover, it has compact size and pin-compatible packages that makes it suitable for low power applications.

Conclusion

BU30SD2MG-MTR is a linear voltage regulator for low voltage and low current applications in ITE (Information Technology Equipment) power field. It offers wide input voltage range, high voltage and current regulation, low noise and dropout level, excellent temperature stability and integrated protection functions. With its robust performance and versatile features, this voltage regulator is suitable for a wide range of applications including datacenters, IT systems, industrial automation and medical equipment.

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