Summary of HAZ8xx Series Fixed Positive Voltage Regulators
The HAZ8xx series of fixed-voltage integrated-circuit voltage regulators from Texas Instruments is designed to cater to a broad range of applications, which include on-card regulation to help eliminate noise and distribution problems that often come with single-point regulation. With robust features such as internal thermal-overload protection, high power-dissipation capability, internal short-circuit current limiting, and output transistor safe-area compensation, the voltage regulators in this series are well-equipped for maintaining consistent power supply. These devices are particularly notable for their capability to deliver output current up to 1.5 A, which makes them suitable for high demand scenarios.
Texas Instruments presents a variety of models within the HAZ8xx series, specifically the 4A7805, 4A7808, uA7810, 4A7812, 4A7815, and uA7824, which provide fixed output voltages at 5V, 8V, 10V, 12V, 15V, and 24V respectively. These regulators do not require an output capacitor for stability, ensuring ease of application and implementation. In addition to their role as fixed-voltage regulators, these components can be adapted with external components for adjustable voltages and currents, which enhances their utility for a wider array of uses, including acting as the power-pass element in precision regulators.
The series is prominently used in applications such as on-card regulation, portable devices, servers, and in the computing & telecommunications industry. They are available in multiple package types including TO-220 and TO-263, and the HAZ8xx regulators offer a simplified schematic that provides an understanding of their basic operation involving minimal external components.
Key updates in the datasheet include additional sections related to the application and implementation of the devices, power supply recommendations, and detailed layout guidelines which assist in optimized usage of the voltage regulators. Additionally, the datasheet includes a comprehensive set of tables detailing electrical characteristics, thermal information, and operating conditions crucial for proper device selection and application.
Important Notes:
The datasheet also includes an IMPORTANT NOTICE which addresses issues such as product availability, warranty, changes, use in safety-critical applications, intellectual property matters, and other disclaimers. Lastly, Texas Instruments provides extensive support including application notes, and other technical documents through the product folder links for each specific model within the HAZ8xx series.
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