BH18PB1WHFV-TR

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Linear voltage regulators are a type of PMIC that provide a regulated voltage output with an adjustable current limit. They are ideal for applications requiring an adjustable output voltage such as in battery management control systems or where the output needs to be adjusted to support different types of loads. The BH18PB1WHFV-TR is a linear voltage regulator manufactured by Texas Instruments. It is designed to provide up to 2A of output current at an adjustable output voltage of 1.25V to 15V.

Description

The BH18PB1WHFV-TR is a low-dropout (LDO) linear voltage regulator. It is capable of providing up to 2A of current with an adjustable voltage range of 1.25V to 15V. The device is extremely efficient with an accuracy of ±2%. This enables it to maintain an output voltage tolerance of ±3%. The device includes a wide input voltage range of 4.5V to 15V and can support high-noise output conditions due to its robust transient response capability.

Features

• Wide input voltage range of 4.5V to 15V.
• High output current of 2A.
• Adjustable output voltage range of 1.25V to 15V with ±2% accuracy.
• Robust transient response.
• Low output voltage ripple.
• Over-temperature and over-current protection.
• Excellent load and line regulation.
• Sleep mode for improved efficiency.

Applications

The BH18PB1WHFV-TR is an ideal solution for applications where an adjustable output voltage is required. It is suitable for powering microprocessors, digital signal processors and memory in battery-operated systems. It is perfect for providing fixed output voltages for charging and controlling the battery, as well as for powering DSPs and processors in medical, portable and automation applications. This device can also be used to provide DC/DC conversion in automotive and handheld electronics.

Working Principle

The BH18PB1WHFV-TR is a linear voltage regulator and operates on the principle of controlling the input-output voltage difference which is known as ‘dropout voltage’. It passes a regulated current through an internal resistor, which drops the voltage across it, thus reducing the output voltage. This voltage is maintained by drawing the necessary current from the input voltage. As this voltage difference is maintained independent of load current, the output voltage remains stable.

Conclusion

The BH18PB1WHFV-TR is a high-efficiency low-dropout linear voltage regulator from Texas Instruments. It offers an adjustable output voltage from 1.25V to 15V with a maximum output current of 2A and an accuracy of ±2%. Its wide input voltage range of 4.5V to 15V and robust transient response enables it to operate in high-noise applications. Its sleep mode and over-temperature and over-current protection makes it well suited for use in battery-operated systems and automotive electronics.

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