MAX5087AATE+

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PMIC - Voltage Regulators - Linear

The MAX5087AATE+ is a linear voltage regulator IC and is a device that steps down a higher input voltage level to a lower output voltage. It is a three-terminal voltage regulator, with an input terminal, output terminal, and ground terminal. The MAX5087AATE+ produces a constant regulated power output, with input-output deltas of up to 12V. The MAX5087AATE+ has a maximum output current of up to 250mA.

Applications

The MAX5087AATE+ can be used in multiple applications, such as in beginner electronics circuits, automotive applications, and medical instruments. Leadless packages enable compact, low-profile designs. In automotive applications, the device can be used as a part of lighting systems, cooling systems, and ECUs to ensure the voltage levels. In medical instruments, the device can be used to power ultra-low power DC/DC converters. Additionally, the step-down feature of the MAX5087AATE+ makes it suitable for powering large LCD TVs and monitors.

Features

• Input voltage up to 16V
• Output voltage range up to 12V
• Current limit of up to 250mA
• Low dropout voltage
• Off mode leakage current of 1μA
• High-temperature operation up to +150°C
• Short-circuit protection

Working Principle

The MAX5087AATE+ works on the principle of negative feedback. It consists of two main components: a reference voltage source and an error amplifier. The reference voltage is a stable voltage source that is typically set to a fixed value and controls the output voltage. The error amplifier monitors the output voltage and sends feedback to the reference voltage source to adjust the output voltage level. A transistor is used to double the amount of current passed by the reference voltage source and receive the error signal from the error amplifier. The transistor then adjusts the current passed by the reference voltage source according to the voltage error signal and produces a regulated output voltage.

Conclusion

The MAX5087AATE+ linear voltage regulator is an ideal choice for effectively regulating the voltage level of different electronics circuits. Its flexibility and reliability make it an excellent choice for a variety of applications, such as automotive, medical, and consumer electronics products. The low dropout voltage, current limit, and overheating protection features of this IC make it highly efficient and protect the IC from damage.

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