LTC3874IUF-1#TRPBF

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The LTC3874IUF-1#TRPBF is a DC/DC Switching Controller from Linear Technology’s family of PMIC Voltage Regulators. With its adjustable switching frequency, it is designed for synchronous buck applications and provides an optimized core solution for cost-effective applications.

The LTC3874IUF-1#TRPBF is well-suited for point-of-load regulation applications, such as DSPs, microprocessors, FPGAs and ASICs. It has been designed to deliver current up to 15A and operates over a wide input voltage range of 2.5V to 38V. Thanks to its low flowing shutdown current of 2.5µA, this device can also be used in power-sensitive applications. It helps to maximize efficiency while reducing power consumption and system-level EMS emissions.

When it comes to applications, the LTC3874IUF-1#TRPBF is a robust solution for automotive, communications, industrial, and computing applications. Some of these applications are: Host Power Supplies, Base Station Computing, Solar Energy Systems, Digital Video Broadcasting, Automotive Battery Charging, Motor Control, and Data Storage.

Working Principle

The LTC3874IUF-1#TRPBF uses a synchronous rectification scheme to deliver higher efficiency than traditional linear regulators. It works by controlling the gate voltage of two MOSFETs, transforming the input voltage into a lower output voltage. As the input voltage and output current changes, the device adjusts its switching frequency to ensure the optimal delivery of both power and efficiency.

The LTC3874IUF-1#TRPBF features a wide operating range of 200 kHz to 2.2 MHz. It can also be programmed with peak current sense to identify the best switching frequency, ensuring maximum performance and efficiency at any voltage and load conditions. Additionally, the device has an adjustable operating range, allowing it to be optimized for different load conditions.

Safety Features

The LTC3874IUF-1#TRPBF also features several safety features, such as over-voltage protection, current limit, thermal shutdown, and cycle-by-cycle current limiting. It also has programmable over-current protection, making it one of the safest DC/DC switching controllers available. The device also offers reverse-battery protection and has a low voltage pin for extra protection.

Conclusion

In conclusion, the LTC3874IUF-1#TRPBF is a powerful DC/DC switching controller that is suitable for a wide range of applications. With its adjustable switching frequency, it offers an optimized solution for cost-effective applications. Additionally, it has several safety features, making it one of the safest devices on the market.

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