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RHFL4913A：Rad-Hard 3.0 A Adjustable Positive Vreg

The RHFL4913A is a high-performance adjustable positive voltage regulator, able to provide 2 A of maximum current in FLAT-16 package (3 A in the SMD5C package) from an input voltage ranging from 3 V to 12 V, with a typical dropout voltage of 350 mV.

The RHFL4913A features exceptional radiation performances. It is tested in accordance with Mil Std 883E Method 1019.6, in ELDRS conditions. The device is available in the FLAT-16 and the SMD5C hermetic ceramic package, and the QML-V die is specifically designed for space and harsh radiation environments. It operates with an input supply of up to 12 V. The RHFL4913A is QML-V qualified, DSCC SMD #5962F02524.

Key Features

• Operating input voltage from 3 V to 12 V
• Adjustable output voltage
• 3 A maximum guaranteed output current in SMD5C package, 2 A in FLAT-16
• Very low dropout voltage: 350 mV typ. @ 400 mA
• Embedded overtemperature and overcurrent protection
• Adjustable overcurrent limitation
• Very low noise: 40 µVRMS (10 Hz-100 kHz)
• Output overload monitoring/signalling
• Inhibit (ON/OFF) TTL-compatible control
• Programmable output short-circuit current
• Remote sensing operation
• Low quiescent current: 1.5 mA typ. @ no load, 150 µA in shutdown
• Rad-hard: guaranteed up to 300 krad Mil Std 883E Method 1019.6 high dose rate and 0.01 rad/s in ELDRS conditions
• Heavy ion, SEL immune.

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