TLV71330PDBVR

Current - Output:	150mA
Base Part Number:	TLV71330P
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, Short Circuit, Under Voltage Lockout (UVLO)
Control Features:	Enable
PSRR:	70dB ~ 55dB (100Hz ~ 1MHz)
Current - Quiescent (Iq):	75µA
Series:	--
Voltage Dropout (Max):	0.54V @ 150mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	3V
Voltage - Input (Max):	5.5V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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TLV71330PDBVR Application Field and Working Principle

Introduction

TLV71330PDBVR is a low-dropout linear voltage regulator designed and manufactured by Texas Instruments, designed to provide regulated and low-noise power supply voltage. These voltage regulators consist of an integrated pass element that maintains a constant voltage level of 3.3V, and integrated features and circuits to monitor high accuracy, fast response time and low-noise load transient.

Application

The TLV71330PDBVR linear voltage regulator is mainly used in automotive, industrial, home appliances and telecom industries, where power stability and low noise are necessary. It features a range of static and dynamic load regulation, line regulation and thermal shutdown. The internal circuit can monitor output voltage, over current, short circuit and thermal shutdown. The TLV71330PDBVR is suitable for powering automotive electronic control units(ECUs), including power management systems, engine computers, transmission control computers, climate control systems, and chassis control computer. It is capable of driving 5-445 mA loads with ±2% accuracy over its operating temperature range of -40 to +125°C.

Working Principle

The TLV71330PDBVR is a low-dropout linear voltage regulator based on a series of pass elements. This device features an N-channel MOSFET pass element at its core, which is rated to operate at a maximum junction temperature of 125°C. The MOSFET is bound by a temperature-controlled resistor network and a bandgap reference to maintain precise voltage. An overcurrent protection circuit is integrated into the TLV71330PDBVR. This protection circuit can detect the output current, and will shut off the MOSFET pass element when the output current exceeds a certain threshold in order to protect the device. The overcurrent protection circuit can also detect an output voltage that is too low or too high, and will shut off the MOSFET if this happens as well. Additionally, a temperature-sensing circuit is incorporated into the voltage regulator to shut off the MOSFET pass element when the device temperature rises above a certain threshold.The TLV71330PDBVR also includes a bypass capacitor, which eliminates noise in the output voltage. The device is capable of operating at a supply voltage of 1.8V to 4.5V and can provide a current of 5-445mA over its operating temperature range of -40 to +125°C.

Conclusion

The TLV71330PDBVR is a low-dropout linear voltage regulator designed and manufactured by Texas Instruments, designed to provide regulated and low-noise power supply voltage. It features a range of static and dynamic load regulation, line regulation and thermal shutdown, ideal for automotive, industrial, home appliances and telecom applications. Furthermore, its internal circuit is able to monitor output voltage, over current, short circuit and thermal shutdown. The device operates at a supply voltage of 1.8V to 4.5V and can handle currents of 5-445mA over its operating temperature range of -40 to +125°C.

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