TPS76038DBVT

TPS76038DBVT – Voltage Regulators – Linear

The TPS76038DBVT is a high-performance 3-terminal linear voltage regulator with an ultra-low quiescent current and improved power supply rejection ratio (PSRR). The device is capable of providing an output current of up to 1.5 A and boasts of a wide input voltage range of 1.2 to 5.5 V. This regulator is best used in applications that require higher than normal quiescent currents.

Applications

The TPS76038DBVT is typically used in various applications such as load switching, automotive motor control, power supply, industrial power supplies, audio/video amplifiers, UPS systems, cellular base stations, networking systems, and many other similar applications.

Output Capabilities and Features

The device can provide a wide output voltage range from 0.6 V to 5.5 V. The output voltage can be adjusted by setting the voltage drop on the internal voltage reference. Other features of the device include a fast transient response, low temperature coefficient, excellent temperature stability, and low output noise voltage of 10 μVrms.

Circuit Description and Working Principle

The device is a linear voltage regulator with a 3-terminal design. It consists of an internal MOSFET, which produces the output voltage. The voltage level is determined by the input voltage and the internal reference voltage. The MOSFET is controlled by the input voltage and the internal reference voltage. The internal reference voltage is determined by the bandgap reference circuit.

The TPS76038DBVT also has an enable control pin, which is used to enable or disable the output. When the enable pin is high, the output is enabled and when it is low, the circuit shuts off the output. This allows for a low standby current when the output is not needed.

The device also has a power-on reset circuitry, which ensures that the output voltage is stable during power up. This feature helps to protect the device from overvoltage and short circuit conditions.

Conclusion

The TPS76038DBVT is a high-performance linear voltage regulator with an ultra-low quiescent current and improved power supply rejection ratio. With its wide input voltage range, excellent output capabilities, and low noise performance, this device is suitable for numerous applications that demand high quiescent currents.