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The TPS74401RGWR is a high-performance, low-dropout (LDO) voltage regulator manufactured by Texas Instruments (TI).

Specifications:

• Input Voltage Range: 1.4V to 6.5V
• Output Voltage Range: 0.8V to 5.2V (adjustable)
• Output Current: Up to 4A
• Dropout Voltage: 85mV (typical) at 4A
• Accuracy: ±1% (over line, load, and temperature)
• Quiescent Current: 1.2mA (typical)
• Power Good (PG) Signal: Yes
• Enable Control: Yes
• Thermal Shutdown & Overcurrent Protection: Yes
• Operating Temperature Range: -40°C to +125°C
• Package: 20-pin VQFN (RGWR)

Descriptions:

The TPS74401 is a high-current, ultra-low-dropout linear regulator designed for applications requiring precise voltage regulation with minimal power loss. It features fast transient response, low noise, and excellent line/load regulation. The adjustable output voltage allows flexibility for various system requirements.

Features:

• High Efficiency: Low dropout voltage improves efficiency in power-sensitive applications.
• Programmable Soft Start: Reduces inrush current during startup.
• Low Noise: Optimized for noise-sensitive applications.
• Wide Input/Output Range: Supports a variety of voltage levels.
• Thermal & Overcurrent Protection: Enhances system reliability.
• Small Form Factor: 20-pin VQFN package saves board space.

This LDO is commonly used in FPGAs, ASICs, processors, and other high-performance digital systems requiring stable power delivery.