TPS73047DBVT

TPS73047DBV Linear Voltage Regulator

The TPS73047DBV is a low-dropout linear voltage regulator from Texas Instruments. It provides excellent load current and stability, with extended temperature range and low quiescent current. This regulator is an ideal solution for many power management applications.

Product Features

• Wide input voltage range: up to 20V
• Output voltage range: adjustable from 0.8V to 16V
• High output current: up to 1A
• Low dropout voltage: 160mV typical
• High PSRR: 79dB at 1kHz
• Temperature range: -40℃ to +125℃
• Low quiescent current: typically 20uA

Application Fields

The TPS73047DBV linear voltage regulator is ideal for a variety of power management applications, such as cellular phones, digital cameras, portable media players, and other similar low-power systems. It is also useful as a buffering device for high current/voltage ICs or large capacitors. It can be used to provide dedicated power for critical analog and digital circuits, or as a standby supply for large capacitors.

The TPS73047DBV regulator may also be employed in automotive applications, such as automotive sensors and electric vehicles. The wide input voltage range and low dropout voltage makes it an ideal solution for automotive and battery-powered systems.

Working Principle

The TPS73047DBV regulator works by drawing current through an internal p-channel MOSFET switch. When the voltage level at the IN pin is higher than the voltage level at OUT pin, the switch is turned on and current flows through the switch. During this time, the current is monitoring by an internal error amplifier and the output voltage is adjusted accordingly. This process allows the regulator to maintain a stable output voltage over changes in input voltage and load current.

The internal error amplifier also monitors the current flowing through the switch and compares it to a reference voltage. If the current exceeds a certain level, the amplifier will signal the switch to turn off and disconnect the output from the input. This will prevent any further current from flowing and will protect the regulator from damage due to excessive current.

The TPS73047DBV is an advanced linear voltage regulator that offers excellent load current and stability over a wide range of input and output voltages. It is the optimal choice for low-power applications that require accurate, reliable power supply.