Texas Instruments

REG113NA-3.3/3K

REG113NA-3.3/3K Description

The REG113NA-3.3/3K from Texas Instruments is a high-performance, fixed-output linear voltage regulator designed to deliver a stable 3.3V output with a maximum current of 400mA. This surface-mount device (SOT23-5 package) is optimized for low-dropout operation, featuring a dropout voltage of just 0.41V at 400mA, making it ideal for power-sensitive applications. With an input voltage range up to 10V and a quiescent current of 500 µA, it balances efficiency and performance. The regulator includes enable control and robust protection features such as over-current and over-temperature shutdown, ensuring reliability in demanding environments.

REG113NA-3.3/3K Features

• Fixed 3.3V Output: Precision-regulated voltage for stable power delivery.
• Low Dropout Voltage: 0.41V @ 400mA minimizes power loss, enhancing efficiency.
• Enable Pin: Allows for power management via external control.
• High PSRR: 65dB (120Hz) ensures excellent noise rejection for sensitive circuits.
• Protection Mechanisms: Over-current and over-temperature safeguards enhance durability.
• Low Quiescent Current: 500 µA reduces power consumption in standby modes.
• RoHS3 Compliant & REACH Unaffected: Meets environmental and regulatory standards.
• Wide Operating Temperature: Suitable for industrial and consumer applications.

REG113NA-3.3/3K Applications

This regulator is ideal for:

• Portable Electronics: Battery-powered devices requiring stable 3.3V supply.
• IoT & Wireless Modules: Low-noise power for sensors and communication ICs.
• Embedded Systems: Reliable voltage regulation for microcontrollers and FPGAs.
• Industrial Controls: Robust performance in harsh environments.
• Consumer Electronics: Compact, efficient power management for handheld devices.

Conclusion of REG113NA-3.3/3K

The REG113NA-3.3/3K stands out for its low dropout, high PSRR, and integrated protections, making it a superior choice for applications demanding precision and reliability. Its small form factor, enable control, and low quiescent current further enhance its versatility across portable, industrial, and embedded systems. While marked as Last Time Buy, its ROHS3 compliance and REACH unaffected status ensure it remains a viable solution for legacy and new designs alike.