The TS1117BCPRO is a low dropout (LDO) positive voltage regulator manufactured by Taiwan Semiconductor. This regulator is designed to provide a stable and accurate output voltage with a low dropout voltage, making it suitable for applications where the input voltage is close to the desired output voltage.

Applications

• Post Regulation for Switching Power Supplies: Used to clean up the output of switching power supplies, reducing noise and ripple.
• Battery Chargers: Employed to regulate the charging voltage and current in battery charging circuits.
• Microprocessor Power Supplies: Provides a stable voltage supply for microprocessors and microcontrollers.
• PC Motherboards: Used for voltage regulation in various sections of PC motherboards.
• Graphics Cards: Employed to supply regulated power to graphics processing units (GPUs).
• Networking Equipment: Used in routers, switches, and other networking devices for stable power.

Features

• Low Dropout Voltage: Operates with a low difference between input and output voltage, improving efficiency.
• Adjustable Output Voltage: Output voltage can be adjusted using external resistors, providing flexibility.
• Fixed Output Voltage Options: Available in fixed output voltage versions for simplified design.
• Current Limiting: Includes built-in current limiting to protect the regulator and the load from overcurrent conditions.
• Thermal Overload Protection: Shuts down the regulator in case of overheating, preventing damage.
• Reverse Polarity Protection: Offers protection against reverse polarity connections.
• High Accuracy: Provides a precise and stable output voltage.

Benefits

• Improved System Efficiency: Low dropout voltage enhances the efficiency of power conversion.
• Flexible Voltage Adjustment: Adjustable output voltage allows for customization to specific application requirements.
• Enhanced Protection: Current limiting and thermal overload protection ensure reliable operation.
• Simplified Design: Fixed output voltage options simplify the design process for certain applications.
• Stable Power Supply: Provides a clean and stable voltage supply, improving the performance of connected devices.
• Wide Range of Applications: Suitable for diverse applications due to its versatile features.

Additional Details

The TS1117BCPRO is available in various packages, including SOT-223 and TO-252. The operating temperature range is typically -40°C to +125°C. The dropout voltage is typically around 1.2V at the rated current. The maximum input voltage is typically 15V. This regulator offers a combination of performance, protection features, and flexibility, making it a reliable choice for a wide range of power regulation needs.