TPS76928DBVR

Current - Output:	100mA
Base Part Number:	TPS76928
Supplier Device Package:	SOT-23-5
Package / Case:	SC-74A, SOT-753
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature, Reverse Polarity
Control Features:	Enable
PSRR:	60dB (1kHz)
Current - Quiescent (Iq):	28µA
Series:	--
Voltage Dropout (Max):	0.25V @ 100mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	2.8V
Voltage - Input (Max):	10V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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TPS76928DBVR application field and working principle

The TPS76928DBVR is a low-dropout (LDO) linear voltage regulator specifically designed to supply up to 500 mA of continuous output current. This device operates from a 1.2 V to 5.5 V input and provides an adjustable output voltage from 0.6 V to 4.95 V. It provides a low dropout voltage, fast transient response, and excellent PSRR performance. Furthermore, it has a space-saving 8-pin WSON package and a thermal shutdown warning flag feature. Because of its performance and the integration of many features, the TPS76928DBVR is able to offer a combination of advantages that make it an ideal solution for a variety of applications in portable and other end-equipment.

Applications:

The TPS76928DBVR is suitable for providing a discrete low-dropout linear regulator solution in embedded electronics, such as PDAs, mobile phones, gaming consoles, MP3 players, digital still cameras, and camcorders. It can also be used in other types of industrial, automotive, and medical equipment. It can also be used in any system where power supply noise reduction, low quiescent current, and maximum power savings are critical.

Working Principle:

The TPS76928DBVR uses a low-dropout (LDO) architecture to supply regulated voltage from an unregulated input voltage. The output voltage can be easily adjusted from 0.6 V to 4.95 V with an external resistor divider. The device offers low dropout voltage, fast transient response and excellent power supply rejection ratio (PSRR) performance over the entire output range.A bypass capacitor connected between the input and output pins of the device helps to reduce output voltage ripple. In addition, this device has a thermal cutoff warning flag to alert the system designer when the device is approaching its thermal limit. The flag output is pulled low when the junction temperature exceeds the specified threshold. This feature facilitates thermal monitor and system protection design.The device is also available in an 8-pin WSON package that is small and space-saving, which makes it suitable for applications with limited area.

Conclusion:

The TPS76928DBVR is a low-dropout (LDO) linear voltage regulator specifically designed to supply up to 500 mA of continuous output current in embedded systems and other applications where power supply noise reduction, low quiescent current, max power savings, and space-saving requirements are critical. It has an adjustable output voltage from 0.6 V to 4.95 V and a thermal shutdown warning flag feature. It also has superior PSRR, low dropout voltage, and fast transient response. In addition, the device is available in an 8-pin WSON package, which is small and space-saving.

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