LD1117AG SMD IC Voltage Regulator UTC SOT223 3.3V LD1117AG-33-AA3-A-R

Product Overview:

A low dropout, 3-terminal positive voltage regulator designed to provide a steady output voltage for various electronic circuits. The LD1117 is capable of supplying output currents up to 800mA (or 1A for the LD1117A version) and is available in both fixed voltage and adjustable versions.

Core Specifications:

• Manufacturer: Unisonic Technologies Co., Ltd (UTC)

• Package Type: SOT-223, SOT-89, or TO-220

• Function: Low Dropout Positive Voltage Regulator

• Output Current: Up to 800mA (1117) or 1.0A (1117A)

• Reference Voltage: 1.25V (for adjustable version)

Features:

• Low Dropout Voltage: Maintains regulation even when the input-to-output voltage difference is small, improving power efficiency.

• Integrated Protection: Includes built-in current limiting and over-temperature protection to prevent damage during fault conditions.

• Versatile Configuration: Available in various fixed output voltages or as an adjustable version using external resistors.

• Component Support: Compatible with Multi-Layer Ceramic Capacitors (MLCC).

• Low Current Consumption: Designed for efficient operation in battery-powered or low-power systems.

Applications:

• Voltage Regulation: Used to step down higher input voltages to a precise, stable level for microcontrollers and logic ICs.

• Battery-Powered Devices: Ideal for portable electronics where efficiency and low dropout are critical to extending battery life.

• Active Termination: Suitable for SCSI-2 active termination applications when set to 2.85V.

• General Power Supply: Reliable power regulation for industrial, consumer, and communication hardware.