AP1184T5-L-U

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Introduction

The AP1184T5-L-U is a three terminal linear voltage regulator used in a wide variety of applications. It is an adjustable, high performance low dropout voltage regulator suitable for use in low voltage, mixed signal and automotive applications. The AP1184T5-L-U is offered in a TO-220 package and is compliant to AEC-Q100.

Application Field and Working Principle

AP1184T5-L-U linear voltage regulator is widely used in low voltage, mixed signal and automotive applications. It has an optimal combination of features which make it ideal for applications including instrumentation and test equipment, audio amplifiers, high efficiency battery chargers, automotive and power systems, industrial monitors and controllers. The AP1184T5-L-U is designed to provide a regulated output voltage with very fast transient response and very low-dropout voltage. It operates from an input voltage range of 4.5V to 45V with an output voltage range from 1.24V to 37V. The fixed output voltage versions are programmed during production. The output voltage tolerance is typically ±2% over line, load and temperature, and is adjustable over the range of 1.24V to 37V for an adjustable version.

The AP1184T5-L-U utilizes an integrated circuit design to provide excellent line and load regulation; low dropout voltage; low temperature coefficient; high power-supply rejection ratio; and low output noise. The device operates over the temperature range of -40°C to +125°C and has an on-chip temperature-compensated current limit and thermal shutdown protection to minimize the risk of accidental damage.

The AP1184T5-L-U features low quiescent current (typically 5mA) and requires only a few external components. It is easily configured to provide a wide variety of output voltage and current combinations by just adding a few resistors, depending on the application. Additionally, it can be easily configured to provide a wide variety of output voltage and current combinations by just adding a few potentiometers.

The AP1184T5-L-U also offers protection from over-temperature, current limit and over-voltage protection. It also offers low voltage start-up, ensuring reliable operation under low voltage or brownout conditions. The device also has an enable input, which is used to turn off the output, reducing the load current to zero.

Conclusion

The AP1184T5-L-U is an excellent low-voltage linear voltage regulator offering outstanding performance and reliability. It is an optimal choice for low voltage, mixed-signal and automotive applications, providing a regulated output voltage with low-dropout voltage, very fast transient response and low noise. The device is offered in a TO-220 package and is compliant to AEC-Q100. It also offers protection from over-temperature, current limit and over-voltage protection and is easily configured to provide a wide variety of output voltage and current combinations.

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