Texas Instruments

TPS7148QDR

TPS7148QDR Description

The TPS7148QDR is a high-performance linear voltage regulator designed by Texas Instruments, offering a fixed output voltage of 4.85V and capable of delivering up to 500mA of output current. This regulator is housed in an 8SOIC package, making it suitable for surface mount applications. It features a maximum input voltage of 10V and a dropout voltage of only 0.25V at 500mA, ensuring efficient operation even at high load currents. With a quiescent current of 350 µA and a supply current of 460 µA, the TPS7148QDR is optimized for low power consumption, making it ideal for battery-powered and energy-sensitive applications.

TPS7148QDR Features

• Output Type: Fixed
• Input Voltage Range: Up to 10V
• Output Current: 500mA
• Output Voltage: Fixed at 4.85V
• Dropout Voltage: 0.25V @ 500mA
• Quiescent Current: 350 µA
• Supply Current: 460 µA
• Power Supply Rejection Ratio (PSRR): 53dB to 50dB at 120Hz
• Protection Features: Over-current protection
• Control Features: Current limit
• Compliance: REACH Unaffected, ROHS3 Compliant
• Moisture Sensitivity Level (MSL): 1 (Unlimited)
• Package Type: Tape & Reel (TR)
• Mounting Type: Surface Mount

TPS7148QDR Applications

The TPS7148QDR is well-suited for a variety of applications where a stable and efficient power supply is critical. Its low dropout voltage and high output current make it ideal for use in:

• Battery-powered devices: Ensuring efficient power conversion and extended battery life.
• Consumer electronics: Providing stable power supply for devices such as smartphones, tablets, and portable gaming consoles.
• Industrial control systems: Offering reliable power regulation for sensors, actuators, and other critical components.
• Medical devices: Ensuring precise and stable power supply for sensitive medical equipment.

Conclusion of TPS7148QDR

The TPS7148QDR from Texas Instruments stands out as a robust and efficient linear voltage regulator, offering a unique combination of high output current, low dropout voltage, and low quiescent current. Its fixed output voltage of 4.85V and maximum input voltage of 10V make it versatile for a wide range of applications. The inclusion of over-current protection and current limit features ensures reliability and safety in operation. With its compliance to REACH and ROHS3 standards, the TPS7148QDR is not only a high-performance solution but also an environmentally responsible choice. For designers seeking a reliable, efficient, and compact linear regulator, the TPS7148QDR is an excellent option.