TPS75333QPWPRG4

Introduction

TPS75333QPWPRG4 is a 3.3-V LDO (low-dropout) linear voltage regulator that operates off a supply voltage up to 6.5 V. With its ultra-low dropout (LDO) design, extremely low quiescent current, and high surge current capability, the TPS75333QPWPRG4 is a cost-effective power solution for space-limited linear voltage regulator applications.

Application Benefits

Prominent application benefits of the TPS75333QPWPRG4 LDO include low output noise and fast transient response. It also comes with an selectable output current limit, which can provide an adjustable current limit of 3.2 A or 2 A, or a values as low as 0.5 A. Its hybrid regulation scheme and high environmental tolerance are two other features that make the TPS75333QPWPRG4 suitable for a variety of power applications.

Key Applications

The TPS75333QPWPRG4 is ideal for linear voltage regulator applications in power-sensitive electronic equipment, such as cellular phones, PDAs, digital cameras and automotive electronics, as well as other low-voltage regulator designs. It is also an excellent choice for battery-operated systems, providing an efficient power solution for high-speed, low-voltage designs.

Working Principle

The TPS75333QPWPRG4 is a PMIC (Power Management IC) voltage regulator which has integrated linear regulation to convert an input voltage to a stable, regulated output voltage. It contains an error amplifier that adjusts the output voltage to ensure that it stays within the specified tolerance range for a given input voltage, as well as a current sense amplifier that ensures that the maximum output current of the regulator does not exceed the selected current limit. The TPS75333QPWPRG4 also features low-noise operation and fast transient response, as well as a thermal shutdown circuit to protect the device against excessive power dissipation.

Conclusion

The TPS75333QPWPRG4 is a cost-effective, low-voltage linear voltage regulator that provides excellent power performance in a wide range of applications. Its low output noise and fast transient response, combined with its selectable current limit and excellent environmental tolerance, enable the TPS75333QPWPRG4 to deliver superior performance for low-voltage designs.