TPS53314RGFR Integrated Circuits (ICs)

Voltage - Output (Min/Fixed):	0.6V
Base Part Number:	TPS53314
Supplier Device Package:	40-VQFN-EP (5x7)
Package / Case:	40-VFQFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Synchronous Rectifier:	Yes
Frequency - Switching:	250kHz ~ 1MHz
Current - Output:	6A
Voltage - Output (Max):	5.5V
Series:	D-CAP™, Eco-Mode™
Voltage - Input (Max):	15V
Voltage - Input (Min):	3V
Number of Outputs:	1
Output Type:	Adjustable
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

TPS53314RGFR is a compact, integrated DC-DC Step-Down converter that efficiently conveys a regulated voltage from an input of 1.8V to 5.5V down to 1.2V. It is available in an adjustable version that is capable of operating from 0.87V up to the input voltage.It is built on the innovative TSMC BiCMOS technology, offering low OCP threshold, high efficiency, and high output voltage accuracy. This cutting-edge high-voltage DC-DC converter is designed to be used in power management solutions that are compliant with 5V and 12V standards.The TPS53314RGFR is a highly efficient power conversion solution for a multitude of applications including supercharged cell phones, multi-core and extreme gaming PCs, telecom base stations, and other high-power applications.

Application Field

The TPS53314RGFR is primarily designed for use in high bandwidth and high-performance power applications such as Notebook PCs, servers and graphic cards. It is also suitable for applications requiring high precision and low noise, such as gaming accessories, power supplies and computing systems.The device is also ideal for applications utilized in networking, telecommunications and consumer electronics. Its wide input voltage range and high power conversion efficiency make the converter suited for use in all types of advanced power management systems, including those used in telecom cabinets and backplanes, Bluetooth and Wi-Fi access points, and routers.

Working Principle

The TPS53314RGFR works by using a Pulse Width Modulated (PWM) signal to regulate the input voltage and control the output voltage. This PWM signal, along with the onboard control voltage, is used to cycle the Field Effect Transistor (FET) on and off. Once the FET has been turned on, the input voltage is then regulated to the desired output voltage in a number of steps.In order to optimize efficiency, the TPS53314RGFR utilizes both discontinuous and continuous conduction. Discontinuous conduction mode is used when the input voltage is greater than the output voltage. In this mode, the converter will cycle on and off rapidly, enabling the power conversion to be done with high efficiency.When the input voltage is lower than the output voltage, the converter will enter continuous conduction mode. In this mode, the FET remains on and the output voltage is regulated until the input voltage has declined below the output voltage.

Conclusion

The TPS53314RGFR is the ultimate DC-DC step-down converter featuring innovative BiCMOS technology, wide input voltage range, high-power conversion efficiency and low noise. It is ideal for applications requiring high bandwidth and high-performance power management, such as Notebook PCs, servers, consumer electronics and networking applications. The device utilizes both discontinuous and continuous conduction to optimize efficiency, and can be used in all types of power-regulated systems.

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