TPS54A20RNJR

Voltage - Input (Max):	14V
Supplier Device Package:	20-VQFN-HR (4x3.5)
Package / Case:	20-VFQFN
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Synchronous Rectifier:	Yes
Frequency - Switching:	Selectable
Current - Output:	10A
Voltage - Output (Max):	2V
Voltage - Output (Min/Fixed):	0.5V
Series:	SWIFT™
Voltage - Input (Min):	8V
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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The Texas Instruments TPS54A20RNJR is a high frequency, synchronous Buck converter with a high efficiency, fixed frequency of up to 1 MHz and a regulated voltage of up to 5A. This unique device is an excellent choice for intermediate voltage applications such as dc/dc converters and other battery-powered applications. This product belongs to the family of PMIC (power management integrated circuits) voltage regulators, mainly to the dc/dc switching regulators family. The TPS54A20RNJR is a low dropout (LDO) type regulator, which means that it is capable of working with a supply voltage that is very close to the output voltage. It has a low power consumption and an entire output current range of 0-5A. The regulated voltage range of this product is from 0.9V to 5V and the switching frequency can be selected from 250 kHz to 1 MHz. The TPS54A20RNJR provide internal compensation, which enables simple, edge-rate-controlled external compensation. The device also offers internal output over voltage protection, as well as thermal protection and thermal shutdown circuitry. With an operating temperature range from -40°C to +125°C, the device is designed for harsh temperature environments.The TPS54A20RNJR supports a wide range of input and output voltages, making it ideal for a variety of applications ranging from low voltage, battery-powered consumer electronics to industrial power systems. Its high frequency and low drop-out performance makes the TPS54A20RNJR the optimum choice for compact and efficient DC/DC converters. This product is suitable for medium to high power applications, such as industrial robotics and automation, automation process control, HVAC systems, LED lighting and automotive power.The working principle of the TPS54A20RNJR consists of two main functions. The first is the voltage regulation, which controls the output of the device by regulating the input voltage. This is done by a series of transistors that form the feedback path, which is connected to the output of the regulator. The output of the regulator is adjusted so that the desired output voltage is obtained. The second function is the conversion of the input and output signals from analog to digital form. The TPS54A20RNJR uses a switched-mode architecture, which means that it switches between two different states to control the output voltage. This is done by connecting the control winding of the transformer to the control node, which enables the switching of the current and voltage between the primary and secondary windings of the transformer. The advantages of the TPS54A20RNJR include low parts count, low quiescent current and high frequency operation, making it an ideal choice for powering a variety of applications. Additionally, this product features over voltage, over temperature and short circuit protection to ensure safe operation in a wide range of temperature and voltage operating conditions. As a result, this product is suitable for a variety of applications that require reliable and efficient power management.

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