Texas Instruments

TPS73233DCQ

TPS73233DCQ Description

The TPS73233DCQ from Texas Instruments is a high-performance, low-dropout (LDO) linear voltage regulator designed for precision power management in space-constrained applications. This fixed-output (3.3V) regulator delivers up to 250mA of output current with an ultra-low dropout voltage of 0.15V @ 250mA, ensuring efficient operation even with tight input voltage margins. Its 5.5V maximum input voltage makes it suitable for battery-powered and low-voltage systems. Packaged in a SOT223-6 surface-mount form factor, the device is ideal for portable and embedded designs requiring reliable, low-noise power regulation.

TPS73233DCQ Features

• Low Dropout Voltage: 0.15V at full load (250mA) minimizes power loss and extends battery life.
• High PSRR: Excellent noise rejection (58dB @ 100Hz) ensures clean output in sensitive analog/digital circuits.
• Low Quiescent Current: 550 µA (typical) reduces standby power consumption.
• Robust Protection: Integrated safeguards include over-current, over-temperature, short-circuit, and reverse-polarity protection.
• Enable Control: Allows for power sequencing and standby mode, reducing system power drain.
• RoHS3 Compliant & REACH Unaffected: Meets stringent environmental and safety standards.

TPS73233DCQ Applications

• Portable Electronics: Ideal for smartphones, tablets, and wearables due to its compact size and efficiency.
• Embedded Systems: Provides stable voltage for microcontrollers, sensors, and FPGAs in industrial/automotive applications.
• Medical Devices: Low noise and high PSRR suit precision instrumentation and patient monitoring equipment.
• IoT & Wireless Modules: Ensures reliable power for RF transceivers and low-power communication ICs.

Conclusion of TPS73233DCQ

The TPS73233DCQ stands out as a versatile, high-efficiency LDO regulator, combining low dropout, superior noise performance, and robust protection features. Its SOT223-6 package and enable control make it a preferred choice for power-sensitive, space-constrained designs. While marked as Last Time Buy, its performance and reliability ensure it remains a strong candidate for legacy and new designs requiring a dependable 3.3V power solution.