TPS73515QDRBRQ1

Voltage Dropout (Max):	0.5V @ 500mA
Supplier Device Package:	8-SON (3x3)
Package / Case:	8-VDFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO)
Control Features:	Enable
PSRR:	60dB ~ 21dB (100Hz ~ 100kHz)
Current - Quiescent (Iq):	65µA
Current - Output:	500mA
Series:	Automotive, AEC-Q100
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	1.5V
Voltage - Input (Max):	6.5V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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TPS73515QDRBRQ1 Application Field and Working Principle

Introduction

The TPS73515QDRBRQ1 from Texas Instruments is a linear voltage regulator with an operating temperature range of -40°C to +125°C. It has a minimum input voltage of 2.5V and a maximum output voltage of 1.8V. It provides an ultra-low quiescent current of 20 A typical and 0.4 A maximum. It is designed for use in a variety of applications, including wireless communications, battery-powered portable devices, and high-efficiency microprocessors. This regulator is a part of TI’s Ultra-Low IQ voltage regulator family, offering quiescent current extremely low when compared to their standard voltage regulators. Its wide operating temperature range and high efficiency make it suitable for demanding applications that require high temperature operation and low noise.

Application Field

The TPS73515QDRBRQ1 is suitable for use in a variety of applications, including wireless communications, battery-powered portable devices, and high-efficiency microprocessors. It can also be used in industrial devices and automotive, or any application that requires low-quiescent current and ultra-low quiescent current operation.The device is especially ideal for applications that require frequent startups and frequent operation at low-output voltages. It utilizes an external load switch for powering up and powering down the device, which allows for optimized performance and power management.The TPS73515QDRBRQ1 also provides excellent performance in battery-powered and automotive applications, thanks to its low-noise operation and wide operating temperature range. It is rated for a maximum junction temperature of 125°C and is capable of supporting up to 10 mA of output current.

Working Principle

The TPS73515QDRBRQ1 is an ultra-low-quiescent current linear voltage regulator, which uses the same voltage-control technology as the standard voltage regulators to enable the lowest quiescent current operation. The device employs an external load switch to control the power-up and power-down of the regulator, allowing for more optimized performance and better power management.When the input voltage exceeds the set output voltage, the device will regulate the output voltage and will remain in regulation while the input voltage is greater than the set output voltage. When the input voltage falls below the set output voltage, the device will shut down and enter a sleep mode, preventing any current from flowing to the output.The TPS73515QDRBRQ1 has an integrated error amplifier and load switch, which allows for the fast settling time and precise output voltage control. The load switch ensures that the output voltage remains constant, even during transients and current load changes.The TPS73515QDRBRQ1 also provides over- and under-voltage protection, thermally protected mode, and other protection features to ensure reliable operation.

Conclusion

The TPS73515QDRBRQ1 is an ultra-low-quiescent current linear voltage regulator from Texas Instruments, suitable for use in a variety of applications. It provides low-noise operation and wide operating temperature range, making it suitable for use in demanding applications. It utilizes an external load switch for optimal performance and power management and has integratedThermal protection, over- and under-voltage protection, and other protection features to ensure reliable operation.

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