TPS71726DCKTG4

Introduction

The TPS71726DCKTG4 is a low dropout (1V) regulator from Texas Instruments that has been designed for space-constrained, high-current applications. It is available in a thermally enhanced, 14-pin TSSOP package. It has an adjustable input voltage range of 1.5V to 5V and an adjustable output voltage range of 1.2V to 5V. Its maximum output current is 3A, with a maximum quiescent current of 1.2 mA and a load regulation error of ± 0.04%. It supports a maximum power dissipation of 4W at room temperatures and 2W at elevated temperatures.

Features

• Low dropout (1V) operation
• On-board precision voltage reference
• Integrated current limiting feature
• High efficiency switching mode
• High frequency operation - up to 2.2MHz
• Adjustable input voltage range of 1.5V to 5V
• Adjustable output voltage range of 1.2V to 5V
• Maximum output current of 3A
• Maximum quiescent current of 1.2 mA
• Load regulation error of ± 0.04%
• Maximum power dissipation of 4W at room temperatures and 2W at elevated temperatures

Applications

The TPS71726DCKTG4 is primarily used in applications that require high current, space-constrained power supplies, such as notebook computers, handheld equipment and telecommunications systems. It can also be used in battery-powered systems that require low dropout voltage, such as medical devices, automotive systems and consumer electronics.

Working Principle

The TPS71726DCKTG4 is a low dropout voltage regulator that utilizes a switching mode architecture to regulate the output voltage. It uses an internal pass transistor to regulate the output voltage, minimizing the dropout voltage across the regulator. It has a precision on-board voltage reference that ensures that the output voltage is regulated accurately and precisely, regardless of temperature and loading changes. The TPS71726DCKTG4 also has integrated current limiting circuitry that can protect the device in the event of over-current conditions.

The TPS71726DCKTG4 is capable of operating at high frequencies up to 2.2MHz, resulting in higher efficiency than traditional linear regulators. The high frequency operation also allows for fast transient response to changes in input and output voltages, resulting in higher stability in the system. The TPS71726DCKTG4 is also specified for operation over a wide temperature range of -40°C to +125°C, making it suitable for applications in harsh environments.

Conclusion

The TPS71726DCKTG4 is a low dropout voltage regulator designed for space-constrained, high-current applications. It is capable of delivering up to 3A of output current and has an adjustable input and output voltage range of 1.5V to 5V. It also has a maximum temperature rating of 125°C, allowing it to be used in harsh environments. The TPS71726DCKTG4 utilizes a switching mode architecture to achieve high efficiency and fast transient response, making it suitable for power-sensitive applications.