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PMIC - Voltage Regulators - Linear

Introduction

The Texas Instruments TPS73410DDCR is an ultra-low voltage linear voltage regulator with a wide input voltage range from 0 V to 6.5 V and a low output noise less than 10 μV RMS. It is a fixed output voltage device with a wide output voltage range of 0.7 V to 4.9 V. This regulator provides low quiescent current(IQ) and output noise, making it ideal for use with sensitive analog devices or supplies. The TPS73410DDCR also offers high load current, thermal and reverse current protection, allowing the device to be used in a variety of applications such as medical devices, microcontroller digital supplies, and automotive systems.

Application field

The TPS73410DDCR is a versatile solution for a variety of applications that require a low output noise and a wide input voltage range for powering sensitive electronics. It can be used for powering analog loads such as microcontroller digital supplies, medical devices, and automotive systems. Additionally, this regulator is ideal for portable applications that require a low quiescent current and a very low output noise such as battery powered electronic equipment and audio systems.

Working Principle

The TPS73410DDCR is a low-dropout linear voltage regulator with an output current capability up to 545 mA. It has three main components: an error amplifier, an internal PMOS transistor and a bandgap reference. The error amplifier compares the output voltage with a reference voltage to generate an error signal and then provides the gate drive to the PMOS transistor. The PMOS transistor then regulates the output voltage with a constant current source between the output and the ground. The bandgap reference provides the reference voltage for the error amplifier.

The device has several features such as thermal and reverse current protection, low quiescent current and low output noise to make it suitable for demanding applications. It also has low dropout voltage and a wide input voltage range allowing the device to be used with a variety of power sources, making it an ideal solution for battery powered applications.

Conclusion

The TPS73410DDCR is an ultra-low-voltage linear voltage regulator that can be used for a variety of applications. It has high current capability, low quiescent current, low output noise and wide input voltage range. Additionally, the device has built-in protection features such as thermal, reverse current protection, making it ideal for sensitive applications, medical devices, automotive systems, and battery-powered equipment.

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