TPS62101DR

Voltage - Output (Min/Fixed):	0.8V
Base Part Number:	TPS62101
Supplier Device Package:	8-SOIC
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Synchronous Rectifier:	Yes
Frequency - Switching:	600kHz
Current - Output:	500mA
Voltage - Output (Max):	8V
Series:	--
Voltage - Input (Max):	9V
Voltage - Input (Min):	2.5V
Number of Outputs:	1
Output Type:	Adjustable
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Discontinued at Digi-Key
Packaging:	Tape & Reel (TR)

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TPS62101DR Application Field and Working Principle

The TPS62101DR is a high-efficiency, low-noise DC/DC buck regulator from the Texas Instruments line of switch regulators. It is designed to provide a wide output voltage range from a single 2.25V to 5.5V input voltage source, and can be used to power a wide range of devices including DSPs, microcontrollers, ASICs, and digital logic ICs. It offers a wide range of features, such as high efficiency, low noise, and fast transient response.

Applications

The TPS62101DR switch regulator is ideal for a variety of applications, such as distributed power systems, small form factor embedded systems, and portable electronic devices. The wide input voltage range and high efficiency make it suitable for applications that require a low power supply voltage, such as portable electronics and smart displays. The low output noise also makes it suitable for applications that require audio or video signals, such as test and measurement systems, base stations, and medical instruments.

Working Principle

The TPS62101DR switch regulator is based on a buck voltage regulator topology. It consists of a high-side switch, a low-side switch, and a synchronous rectifier. The high-side switch is connected to the input voltage source and the low-side switch is connected to the output voltage. The two switches are controlled by a pulse-width modulation (PWM) signal, which is generated by an internal oscillator. The frequency of the PWM signal determines the output voltage and the pulse width determines the amount of power that is delivered from the input to the output.The TPS62101DR has a current-mode control, which regulates the output voltage by monitoring the current flowing through the inductor. The current is compared to a reference voltage and the output voltage is adjusted accordingly. The synchronous rectifier allows the current to flow in either direction, resulting in a low output voltage ripple and high efficiency.

Conclusion

The TPS62101DR switch regulator is a high-efficiency, low-noise DC/DC buck regulator that is ideal for a variety of applications. It has a wide input voltage range, high efficiency, low noise, and fast transient response. The TPS62101DR is based on a buck voltage regulator topology and utilizes a current-mode control for regulating the output voltage. It is suitable for powering devices such as DSPs, microcontrollers, ASICs, and digital logic ICs.

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