TPS76030DBVR

Current - Output:	50mA
Base Part Number:	TPS76030
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, Transient Voltage
Control Features:	Enable
PSRR:	63dB (1kHz)
Current - Supply (Max):	1.2mA
Current - Quiescent (Iq):	115µA
Series:	--
Voltage Dropout (Max):	0.18V @ 50mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	3V
Voltage - Input (Max):	16V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

TPS76030DBVR is a linear voltage regulator designed by Texas Instruments (TI) and is part of the Power Management Integrated Circuit (PMIC) family. TI\'s innovative technology has enabled PMICs to become an essential component to most electronic products.

Application Field

TPS76030DBVR is specifically designed for low power applications such as wearable and portable devices. It provides an efficient power solution while preserving power in a low power state and maximizing battery life. The TPS76030DBVR has an adjustable output voltage that ranges from 0.8V to 6V providing flexibility for the user. This makes it ideal for applications where multiple voltage levels are needed for different components or functions. It is also suitable for low noise applications where noise reduction is important.

Working Principle

The TPS76030DBVR consists of an internal voltage reference voltage (VREF), error amplifier, low dropout (LDO) voltage regulator, internal pass transistor, and shutdown control circuit. The VREF source is used to monitor the output voltage that is regulated by the error amplifier. This error amplifier will amplify any difference between the output voltage and VREF and adjust the load current of the internal pass transistor to maintain the output voltage stability. The pass transistor then controls the current flow to the output. The current is adjusted to maintain the output voltage at its desired voltage setting. If the load current exceeds the load current limitation of the TPS76030DBVR, the LDO voltage regulator will reduce the load current to prevent overvoltage and/or overcurrent. Furthermore, the shutdown control circuit will turn off the pass transistor when the input voltage is below the minimum input voltage threshold.

Conclusion

In conclusion, the TPS76030DBVR is a linear voltage regulator with adjustable output voltage from 0.8V to 6V, making it suitable for low power applications such as wearable and portable devices. The internal components consisting of a voltage reference source, error amplifier, LDO voltage regulator, internal pass transistor, and shutdown control circuit all contribute to the effective performance of the TPS76030DBVR. Together, these components provide an efficient power solution for low power applications that can maximize battery life and minimize noise.

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