Texas Instruments

TPS78630DCQR

TPS78630DCQR Description

The TPS78630DCQR is a high-performance linear regulator designed by Texas Instruments, offering a fixed 3V output voltage with a maximum input voltage of 5.5V. This device is capable of delivering up to 1.5A of output current, making it suitable for a wide range of power management applications. The regulator features a low dropout voltage of 0.55V at 1.5A, ensuring efficient operation even when the input voltage is close to the output voltage. The TPS78630DCQR is housed in a surface-mount SOT223-6 package, which is both compact and robust, ideal for space-constrained designs.

TPS78630DCQR Features

• Output Type: Fixed 3V output voltage, providing a stable power supply for sensitive electronics.
• Input Voltage Range: Operates within a maximum input voltage of 5.5V, ensuring compatibility with various power sources.
• Output Current: Capable of delivering up to 1.5A, making it suitable for high-current applications.
• Low Dropout Voltage: A maximum dropout voltage of 0.55V at 1.5A ensures high efficiency, especially in low-headroom applications.
• Quiescent Current: Low quiescent current of 385 µA minimizes power consumption during standby or low-load conditions.
• Power Supply Rejection Ratio (PSRR): High PSRR ranging from 59dB at 100Hz to 32dB at 100kHz, effectively reducing noise and ripple in the output voltage.
• Protection Features: Over-current, over-temperature, reverse polarity, and under-voltage lockout (UVLO) protections ensure reliable operation and protect connected circuits from damage.
• Control Features: An enable pin allows for easy control of the regulator's operation, enabling power-saving modes and dynamic power management.
• Compliance: The TPS78630DCQR is REACH unaffected and RoHS3 compliant, meeting environmental and regulatory standards.
• Moisture Sensitivity Level: MSL 2 (1 Year) ensures the device remains reliable and functional in various environmental conditions.

TPS78630DCQR Applications

The TPS78630DCQR is ideal for a variety of applications where a stable and efficient power supply is required. Some specific use cases include:

• Consumer Electronics: Ideal for powering sensitive components in smartphones, tablets, and other portable devices.
• Industrial Equipment: Suitable for powering control circuits and sensors in industrial automation systems.
• Medical Devices: Provides a reliable power source for medical equipment where stability and low noise are critical.
• Telecommunications: Ideal for powering communication modules and base stations where high efficiency and low dropout voltage are essential.
• Automotive Electronics: Can be used in automotive applications where a compact and robust power solution is needed.

Conclusion of TPS78630DCQR

The TPS78630DCQR from Texas Instruments is a versatile and efficient linear regulator, offering a fixed 3V output with a maximum input voltage of 5.5V and a 1.5A output current capability. Its low dropout voltage and high PSRR make it an excellent choice for applications requiring high efficiency and low noise. The inclusion of comprehensive protection features and control options further enhances its reliability and flexibility. The compact SOT223-6 package and surface-mount design make it suitable for space-constrained designs, while its compliance with environmental standards ensures it meets regulatory requirements. Overall, the TPS78630DCQR is a robust and reliable solution for a wide range of power management needs.