TPS54361DPRR Integrated Circuits (ICs)

Voltage - Input (Max):	60V
Supplier Device Package:	10-WSON (4x4)
Package / Case:	10-WDFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Synchronous Rectifier:	No
Frequency - Switching:	100kHz ~ 2.5MHz
Current - Output:	3.5A
Voltage - Output (Max):	60V
Voltage - Output (Min/Fixed):	0.8V
Series:	Eco-Mode™
Voltage - Input (Min):	4.5V
Number of Outputs:	1
Output Type:	Adjustable
Topology:	Buck, Split Rail
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

TPS54361DPRR is an integrated high-efficiency DC/DC regulator (incorporates both a buck or step-down converter, along with a linear regulator) designed for space-constrained point of load (POL) applications. It provides switching and linear regulation from an input voltage of up to 6 V to a regulated output voltage as low as 0.8 V with a maximum load current of 3 A. The integrated solution makes the regulator ideal for a variety of power management applications, such as digital, FPGA, ASIC, and microprocessor powered systems, automotive, and industrial applications.

Features and Benefits

The TPS54361DPRR integrated DC/DC regulator provides several valuable features and benefits for customers.

• High-performance Buck Regulator: The switching regulator is capable of taking an input voltage of up to 6V, and providing a regulated output voltage of 0.8V with high efficiency and low noise.
• Integrated Linear Regulator: The linear regulator provides excellent load regulation and fast load transient response.
• High Integration Level: The integrated solution significantly reduces the number of components required, minimizing board space and cost.
• High Reliability: The device is certified to industrial temperature range, making it ideal for automotive and industrial applications, and has an ESD rating of 8kV.

Applications

The TPS54361DPRR integrated DC/DC regulator is ideally suited for a variety of power management applications, including:

• Digital systems
• FPGA, ASIC and microprocessor powered systems
• Automotive systems
• Industrial systems

Working Principle

The TPS54361DPRR integrated DC/DC regulator consists of two main regulators, a buck regulator and a linear regulator.The buck regulator works on the principle of taking an input voltage and converting it down to a regulated output voltage through the use of a high-frequency switching transistor. The output voltage is regulated by varying the duty cycle of the transistor. The linear regulator takes the output of the buck regulator and passes it through an error amplifier which amplifies any difference between the actual output voltage and the desired voltage. The amplified signal drives a control loop which controls the buck regulator output, thereby providing accurate output voltage regulation.In addition to the buck and linear regulators, the device also employs overvoltage protection circuitry which protects the device from excessive input voltage, as well as undervoltage lockout and thermal shutdown circuitry which prevent operation below a certain voltage level and protect from overheating.

Conclusion

In conclusion, the TPS54361DPRR integrated DC/DC regulator is a high-efficiency and space-saving solution for a variety of DC/DC power conversion applications. With its integrated buck and linear regulators, it offers high performance, high integration, and high reliability for customers in need of a reliable and cost-effective power management solution.

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