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RHFL4913KPA1

RHFL4913KPA1 Description

The RHFL4913KPA1 from STMicroelectronics is a radiation-hardened (RAD-HARD), high-performance, adjustable positive linear voltage regulator designed for demanding aerospace, defense, and space applications. With an output current capability of 2A and an input voltage range up to 12V, it delivers stable, adjustable output voltages from 1.23V to 9V. The device features a low dropout voltage of 0.95V @ 2A, ensuring efficient operation even under high load conditions. Its 70dB to 40dB PSRR (120Hz to 33kHz) minimizes noise interference, making it ideal for sensitive analog and digital circuits.

RHFL4913KPA1 Features

• Radiation-Hardened: Qualified for space and high-reliability applications.
• High Current Output: Supports up to 2A with robust over-current, over-temperature, and short-circuit protection.
• Low Quiescent Current: 6 mA typical, enhancing power efficiency.
• Adjustable Output: Flexibility to set voltage between 1.23V and 9V.
• Excellent PSRR: 70dB at 120Hz, ensuring clean power delivery in noisy environments.
• Wide Operating Temperature Range: Suitable for extreme conditions.
• Surface-Mount Package: Compact and compatible with automated assembly processes.
• RoHS3 & REACH Compliant: Meets stringent environmental standards.

RHFL4913KPA1 Applications

• Spacecraft Power Systems: Reliable voltage regulation in satellite and deep-space missions.
• Military Electronics: Ruggedized power management for defense equipment.
• High-Reliability Industrial Systems: Critical infrastructure requiring radiation tolerance.
• Medical Devices: Precision power supply for sensitive diagnostic equipment.
• Avionics: Stable voltage for flight control and communication systems.

Conclusion of RHFL4913KPA1

The RHFL4913KPA1 stands out as a superior choice for applications demanding radiation hardness, high current output, and precise voltage regulation. Its combination of low dropout, high PSRR, and robust protection features ensures reliability in the harshest environments. Ideal for aerospace, defense, and industrial systems, this regulator delivers unmatched performance where failure is not an option.