TPS54418RTER

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TPS54418RTER Application Field and Working Principle

The Texas Instruments TPS54418RTER DC to DC Switching Regulator is a high performance, flexible regulator designed to provide efficient power conversion in conditions where ample output current is available and high efficiency is desired. The TPS54418RTER reduces power loss in applications where ON/OFF switching type regulators are typically used. It provides an adjustable, fixed output voltage or up to 2 A of output current. With its tightly regulated, low drop-out output voltage, the TPS54418RTER is an ideal choice for complex systems and digital electronics.

Application Field

The TPS54418RTER is suitable for a wide range of applications, including but not limited to automotive, telecommunications, industrial equipment, and computer hardware. It is also suitable for time-critical and low-voltage systems with high current demands that require exceptionally fast transient times and low power-loss. The TPS54418RTER is designed for applications such as internal and embedded power supplies,12 V and 5-V bus regulation, and applications requiring a regulated output in the range of 0.9V to 1.2V.

General Working Principle

The TPS54418RTER is a high performance linear regulator. It features a high efficiency, high gain PWM error amplifier, which enables low noise and low power dissipation over a wide range of loads. The TPS54418RTER utilizes a high frequency switch with a minimum of 95% efficiency, ensuring reliable and stable performance. The high frequency switching eliminates output voltage noise and allows the regulator to maintain tight regulation with a limited output voltage range. The over-heat protection circuit prevents operational damage due to excess temperature. The device also includes over-voltage protection and reverse-current protection. The TPS54418RTER also includes a TTL logic-compatible enable input that allows the device to be shut down when not in use, further saving power and reducing noise.

Operating Specifications

• Voltage Output: 0.9V to 1.2V
• Current Output: Up to 2 A
• Dropout Voltage: 0.18V
• Load Regulation: 0.2%
• Ripple and Noise: 35 mV
• Operating Frequency: 0.9 MHz to 1.2 MHz
• Package: 12-pin SOT-23 package

Low Profile and High Efficiency

The TPS54418RTER is an excellent choice for space-constrained or low-power applications. The tiny 12-pin SOT-23 package requires minimal board space and is easy to mount with standard surface mount techniques. Additionally, the TPS54418RTER is capable of delivering up to 90% efficiency, making it an ideal choice for high power density applications.

Conclusion

The Texas Instruments TPS54418RTER DC to DC Switching Regulator is a high performance, flexible regulator designed to provide efficient power conversion in situations where ample output current is available and high efficiency is desired. It features a high frequency switch with high efficiency, as well as over-voltage, over-heat, and reverse-current protections. Additionally, the tiny 12-pin SOT-23 package requires minimal board space and is easy to mount. The TPS54418RTER is suitable for a wide range of applications, including automotive, telecommunications, industrial equipment, and computer hardware. For these reasons, the TPS54418RTER is an ideal choice for complex systems and digital electronics.

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