The TK71433SCL is a low-dropout (LDO) voltage regulator from Toko America Inc. It is designed to provide a stable 3.3V output voltage with a low dropout voltage, meaning it can maintain regulation even when the input voltage is close to the output voltage. This regulator is commonly used in portable devices and battery-powered applications where efficiency and low power consumption are critical.

Applications:

• Portable devices
• Battery-powered equipment
• Microcontroller power supplies
• Wireless communication devices
• Sensor power supplies

Features:

• 3.3V fixed output voltage
• Low dropout voltage
• Low quiescent current
• Overcurrent protection
• Thermal shutdown protection
• Small package size

Benefits:

• Efficient power conversion due to low dropout voltage, extending battery life.
• Low quiescent current minimizes power consumption when the regulator is not actively supplying current.
• Protection features prevent damage to the regulator and connected circuitry.
• Compact size allows for use in space-constrained applications.
• Stable output voltage ensures reliable operation of connected components.

Additional Details:

The TK71433SCL operates with a low quiescent current, which is important for battery-powered applications. The regulator incorporates overcurrent protection to limit the output current in case of a short circuit or overload. Thermal shutdown protection is also included to prevent damage from overheating. An output capacitor is required for stability, and the datasheet specifies the recommended capacitance value. The device is available in a small surface mount package. It is a suitable solution for applications demanding efficient and regulated 3.3V power with minimal power loss.