The TPS7A4501DCQR is a high-performance, low-dropout (LDO) linear voltage regulator from the reputable semiconductor manufacturer, Texas Instruments. This regulator is designed to deliver a stable and precise output voltage with a maximum output current of 1.5 A, which makes it an excellent choice for sensitive analog circuits, RF applications, and post-regulation for switching power supplies.

Key Features

• Output Voltage Range: The TPS7A4501DCQR offers an adjustable output voltage range from 1.21 V to 20 V, allowing for versatile use in a wide array of electronic applications.
• Dropout Voltage: It boasts a low dropout voltage, typically 300 mV at full load, which enhances efficiency and allows operation close to the input voltage.
• Load and Line Regulation: Exceptional line and load regulation ensure a stable output even with variations in input voltage or output current.
• Thermal and Overcurrent Protection: The device includes built-in thermal shutdown and current limit features, providing reliable protection for both the regulator and the downstream components.
• Low Noise: With a low output noise of 28 µVRMS, this LDO is ideal for noise-sensitive applications such as precision instrumentation and audio equipment.
• Stable with Low ESR Capacitors: The TPS7A4501DCQR is stable with ceramic capacitors, which have lower equivalent series resistance (ESR) than other types, reducing the overall component count and board space.

Package and Quality

The device is available in a compact SOT-223 package, which is suitable for space-constrained applications. The TPS7A4501DCQR is also characterized for operation over a wide temperature range of –40°C to 125°C, ensuring reliable performance in a variety of environments. Moreover, it is RoHS compliant and supports the Texas Instruments commitment to green manufacturing processes.

Applications

With its robust feature set, the TPS7A4501DCQR is well-suited for use in high-end and industrial applications, including:

• High-Accuracy Instrumentation
• RF and Analog Circuits
• Telecommunication Infrastructure
• Power Supplies Post-Regulation
• Microprocessor and FPGA Power Supply

Whether you're designing a sophisticated audio interface, a sensitive measurement device, or a reliable digital system, the TPS7A4501DCQR by Texas Instruments offers the performance and flexibility to meet your LDO voltage regulation needs.