The TS1117CW18 is a low dropout (LDO) positive voltage regulator from Taiwan Semiconductor. It is designed to provide a stable and regulated 1.8V output voltage from a higher input voltage. The 'CW' designation indicates that it comes in a TO-252 package.

Applications:

• Microcontroller power supplies
• FPGA/CPLD power supplies
• Memory (RAM) power supplies
• Post-regulation for switching power supplies
• Battery-powered devices
• Portable electronics

Features:

• Low Dropout Voltage: Typically 1.2V at 1A output current.
• Fixed Output Voltage: Provides a stable 1.8V output.
• Output Current of 1A: Suitable for a wide range of applications.
• Internal Current Limit: Protects against overcurrent and short circuit conditions.
• Thermal Overload Protection: Prevents damage from overheating.
• TO-252 Package: Offers good thermal dissipation in a small footprint.

Benefits:

• Stable 1.8V Output: Ensures reliable operation of connected devices.
• Simplified Design: Fixed output voltage simplifies circuit design.
• Overcurrent and Thermal Protection: Enhances system reliability.
• Efficient Regulation: Low dropout voltage minimizes power loss, especially in battery-powered systems.
• Compact Footprint: TO-252 package is suitable for space-constrained applications.

Additional Details:

The TS1117CW18 is a popular choice for powering various digital ICs, particularly microcontrollers and memory chips that operate at 1.8V. The TO-252 package allows for efficient heat dissipation, ensuring stable operation even under load. The internal protection features, such as current limiting and thermal shutdown, prevent damage to the regulator and the connected circuitry. The regulator is often used as a post-regulator in switching power supplies to provide a cleaner and more stable voltage supply.

Typical Specifications:

• Output Voltage: 1.8V
• Output Current: 1A (Maximum)
• Dropout Voltage: 1.2V (Typical at 1A)
• Operating Temperature Range: -40°C to +125°C
• Package: TO-252