Texas Instruments

TPS73630DCQ

TPS73630DCQ Description

The TPS73630DCQ 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 (3V) regulator delivers up to 400mA of output current with an ultra-low dropout voltage of 0.2V (max) at full load, ensuring efficient operation even with tight input-output differentials. It operates over a 1.7V to 5.5V input range, making it suitable for battery-powered and low-voltage systems. The device features 58dB PSRR at 100Hz, significantly reducing noise in sensitive analog and digital circuits. Packaged in a SOT-223-6 form factor, it combines compactness with robust thermal performance.

TPS73630DCQ Features

• Low Quiescent Current: 550µA (typical) enhances battery life in portable devices.
• High PSRR: 58dB (100Hz) to 37dB (10kHz) ensures clean power delivery for noise-sensitive applications.
• Integrated Protection: Includes over-current, over-temperature, and reverse-polarity protection for enhanced reliability.
• Enable Control: Allows power sequencing and standby mode, reducing power consumption when inactive.
• RoHS3 & REACH Compliant: Meets stringent environmental standards.
• Low Dropout: 0.2V at 400mA maximizes efficiency in low-input-voltage scenarios.

TPS73630DCQ Applications

• Portable Electronics: Ideal for smartphones, tablets, and wearables due to its low Iq and small footprint.
• Industrial Sensors: Provides stable 3V supply to precision analog/digital sensors with high PSRR.
• Embedded Systems: Suitable for microcontrollers, FPGAs, and wireless modules requiring noise-free power.
• Medical Devices: Ensures reliable operation in diagnostic equipment and patient monitors.
• Automotive Accessories: Powers infotainment systems and telematics where input voltage fluctuations are common.

Conclusion of TPS73630DCQ

The TPS73630DCQ stands out as a versatile, high-efficiency LDO regulator, combining low dropout, excellent noise suppression, and robust protection features in a compact package. Its low quiescent current and enable control make it ideal for battery-operated and always-on systems, while its high PSRR caters to precision analog applications. Although marked as Last Time Buy, its performance and reliability ensure it remains a preferred choice for designs requiring a dependable 3V power solution. Engineers should consider this regulator for applications demanding space savings, low noise, and thermal resilience.