HLF1117 Series – Low Dropout Linear Regulators (SOT-223) Fixed Outputs: 1.8V / 3.3V / 5.0V | Input: 2.7V–18V | 0°C to +125°C | Surface-Mount Package

The HLF1117 Series (SOT-223) are fixed positive low-dropout (LDO) linear regulators designed for high-performance and low-noise power regulation. Available in 1.8V, 3.3V, and 5.0V output versions, they can deliver up to 800mA output current with excellent line and load regulation.

These regulators feature a low dropout voltage and built-in overcurrent and thermal protection, ensuring stable operation under various load conditions. The compact SOT-223 package provides efficient heat dissipation, making it ideal for space-limited applications.

Key Features:

• Function: Fixed Low-Dropout Positive Voltage Regulator

• Output Voltages: 1.8V / 3.3V / 5.0V

• Input Voltage Range: 2.7V – 18V

• Output Current: Up to 800mA

• Operating Temperature Range: 0°C to +125°C

• Package Type: SOT-223

• Mounting Type: Surface-Mount

• Low Dropout Voltage and Low Noise

• Built-in Thermal and Short-Circuit Protection

• Excellent Line and Load Regulation

• High Output Voltage Accuracy

Applications:

• Microcontroller and Logic Power Supplies

• Embedded and Consumer Electronics

• Portable and Battery-Powered Devices

• Communication and Networking Equipment

• General Low-Voltage DC Regulation