The UR133L-18-AB3-C-R is a fixed voltage linear regulator manufactured by UTC (Unisonic Technologies Co., Ltd.). It is part of the UR133L series, which are designed to provide a stable and regulated output voltage from a higher input voltage. These regulators are commonly used in various electronic devices to ensure a consistent power supply for sensitive components.

Applications

• Consumer electronics: Power supplies for various devices like TVs, DVD players, and audio equipment.
• Industrial control systems: Providing regulated power for microcontrollers and sensors.
• Battery-powered devices: Ensuring stable voltage for portable electronics.
• Voltage regulation in automotive systems: Powering electronic components in vehicles.

Features

• Fixed output voltage: Provides a stable 1.8V output.
• Low dropout voltage: Operates with a small difference between input and output voltage.
• Overcurrent protection: Protects the regulator and connected components from damage due to excessive current draw.
• Thermal shutdown: Shuts down the regulator if the temperature exceeds a safe limit.
• Short circuit protection: Protects the regulator from damage caused by short circuits.

Benefits

• Stable power supply: Ensures reliable operation of connected components.
• Protection against overcurrent and short circuits: Prevents damage to the regulator and connected components.
• Easy to use: Requires minimal external components.
• Cost-effective: Provides a reliable voltage regulation solution at a reasonable price.

Additional Details

The UR133L series regulators typically come in a SOT-89 or similar surface-mount package. The exact specifications, such as dropout voltage, quiescent current, and maximum input voltage, may vary slightly depending on the specific model. Refer to the manufacturer's datasheet for detailed specifications. The -AB3 suffix may refer to a specific package or testing variant. The -C-R may indicate tape and reel packaging.