The UTC78L05L-T92-B is a three-terminal positive voltage regulator manufactured by Unisonic Technologies Co., Ltd. (UTC). It belongs to the UTC78L series, which are low-current positive voltage regulators, and specifically provides a fixed 5V output. The suffix '-T92-B' denotes a specific package type, usually a TO-92, and likely indicates bulk packaging. This regulator is commonly employed in various low-power electronic circuits to maintain a stable voltage supply, protecting sensitive components from voltage fluctuations. Due to its small size and simplicity, it is suitable for a broad array of applications where a low-current 5V supply is needed.

Applications

• Power supply for low-power microcontrollers and simple logic circuits.
• Voltage regulation in small battery-operated devices.
• Use in educational electronics projects and hobbyist circuits.
• Providing a stable 5V reference voltage for sensors and analog circuitry.
• Simple battery charging circuits for low-power devices.

Features

• Fixed 5V output voltage: Delivers a stable and regulated 5V DC output.
• Low dropout voltage: Ensures efficient regulation, even when the input voltage is close to the output voltage.
• Short-circuit protection: Protects the regulator and connected circuitry from damage due to short circuits.
• Thermal overload protection: Prevents the regulator from overheating, thus preventing damage.
• Overvoltage protection: Shuts down the regulator should the input voltage exceed a safe level.
• Low quiescent current: Minimizes power consumption when the regulator is idle, beneficial for battery-powered devices.

Benefits

• Provides stable and reliable power: Ensures consistent performance of connected electronic devices.
• Protects against damage: Safeguards sensitive electronic components from voltage spikes and fluctuations.
• Simplifies circuit design: Reduces the requirement for external components for basic voltage regulation.
• Increased system reliability: Improves the overall robustness and lifespan of electronic devices.
• Ideal for battery-powered applications: Low quiescent current extends battery life.

Additional Details

The UTC78L05L-T92-B comes in a TO-92 package, making it easy to use in through-hole designs. The input voltage range is typically between 7V and 30V, though the official datasheet should be consulted for accurate values. The output current is usually rated up to 100mA. The operating temperature range is generally between -40°C and +125°C. Always consult the official UTC datasheet for the most accurate and current specifications. Bypass capacitors are often recommended on both the input and output to enhance stability and transient response.