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Introduction

Linear voltage regulators are widely used in modern electronic products to maintain a steady voltage output. The L78L24ACUTR is a 3 terminal regulator special designed to provide excellent temperature stability and high current output. This type of linear voltage regulator can work as both low drop-out regulator and low power consumption regulator. It can also provide secondary ripple current reduction and high output voltage regulation.

Application fields

The high current output and excellent temperature stability of L78L24ACUTR make it an ideal choice for a wide range of applications, such as computer peripherals, automotive audio system, network equipment, home appliances, and communication systems. It can serve as a voltage regulator for higher current requirements, such as battery charger, laser diode, and generator. It is also used in instrumentations, medical equipment and other precision control systems.

Working Principle

The L78L24ACUTR is a three-terminal linear voltage regulator with an input voltage source and an output voltage regulator. The device has an internal current-sense amplifier which senses the load current and automatically adjusts the output voltage accordingly. It also features an on-chip thermal-shunt which prevents over-voltage under heavy load. The thermal-shunt is designed to regulate the output voltage in the event of a significant temperature rise.

Key features

• Input voltage source: 2.6V to 6V
• Output voltage range: 0.75V to 24V
• Output current: up to 1.2A
• High-current transfer capability
• Very low external parts count
• On-chip thermal-shunt enable current limit protection
• High output accuracy
• External frequency compensation

Advantages

The L78L24ACUTR is a very efficient device which provides excellent thermal stability and high current output. The device has a low output voltage droop and is capable of supplying up to 1.2A of current at a very low output voltage. The thermal-shunt provides current limit protection, and the on-chip current-sense amplifier ensures accurate current regulation. The device also has a very low external parts count which makes it suitable for small-space applications.

Conclusion

The L78L24ACUTR is a 3-terminal linear voltage regulator that is well-suited for a wide range of applications. The device offers excellent temperature stability and excellent current transfer capabilities. The integrated thermal-shunt enables current limit protection and the on-chip current-sense amplifier ensures accurate current regulation. The device can provide high-current output in a very small form factor and is an ideal choice for applications where space is a premium.

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