The TDA8138A from STMicroelectronics is a high-performance, adjustable and fixed voltage regulator designed to offer a dual power supply in a single package. This device is particularly suitable for applications that require a stable and reliable power supply with the flexibility of voltage adjustment.

Key Features

• Dual Voltage Outputs: The TDA8138A provides two voltage outputs, one fixed at 5V and another adjustable output, which makes it versatile for various applications.
• High Output Current: It is capable of delivering up to 1.5A for the fixed output and 1A for the adjustable output, catering to the needs of power-intensive devices.
• Low Dropout Voltage: The low dropout voltage feature ensures efficient operation, even with a minimal difference between the input voltage and the output voltage.
• Thermal Overload Protection: The built-in thermal overload protection safeguards the device against excessive temperature and power dissipation, enhancing its reliability and lifespan.
• Short Circuit Protection: With the short circuit protection feature, the TDA8138A is well-equipped to handle unintended short circuits, preventing damage to the regulator and the connected load.
• Low Standby Current: The device is designed for energy efficiency, with a low standby current that minimizes power consumption when the regulator is not in active use.

Applications

The TDA8138A is ideal for a wide range of applications, including:

• Microprocessor-based systems
• Consumer electronics
• Personal computers and peripherals
• Industrial control systems

Package and Availability

The TDA8138A comes in a Pentawatt package, which is well-known for its ease of mounting and efficient heat dissipation. This product is available through STMicroelectronics and authorized distributors, ensuring availability for both small-scale projects and large-volume production needs.

Conclusion

With its dual output capability, robust protection features, and high current delivery, the TDA8138A from STMicroelectronics stands out as a reliable choice for designers looking for a versatile voltage regulator solution. Its energy-efficient design and wide application range make it a valuable component in any power supply design project.