RHFL4913XX15:Rad-Hard 1.5 Volt Fixed Positive Vreg

The device is a high performance radiation hardened LDO regulator, suitable for output current up to 3 A (TO-257 and SMD.5 versions). The operating input voltage range is from 3 V to 12 V. The device has been specifically designed for harsh radiation environments, such as aerospace applications.

Integrated overtemperature protection, adjustable overcurrent protection and monitoring offer a high level of robustness.

It is available in Flat-16, SMD.5 and TO-257 hermetic packages.

Key Features

  • Fixed 1.5 V output voltage
  • Output current up to 3 A in SMD.5 and TO-257 packages, 2 A in Flat-16 package
  • Embedded overtemperature, overcurrent protections
  • Adjustable current limitation
  • Output overload monitoring/signaling
  • Inhibit (ON/OFF) TTL-compatible control
  • Programmable output short-circuit current
  • Remote sensing operation
  • Rad-hard: tested up to 300 krad MIL-STD-883E method 1019.6 and 100 krad low dose rate conditions
  • SEL free up to 120 MeV·cm2 /mg
  • SET < 5% of VOUT at 86 MeV·cm2 /mg
Product Specifications
DescriptionVersionSize
DS11441: 1.5 V rad-hard positive fixed voltage regulator1.01 MB
Technical Notes & Articles
DescriptionVersionSize
TN1181: Engineering Model quality level1.1142 KB
Selection Guides
DescriptionVersionSize
Aerospace and Hi-rel - ESCC, JANS & QML products1.02 MB
Sample & Buy
Part NumberSMD PIN/Detailed SpecQuality LevelEPPLHi-Rel PackageLead FinishPacking TypePackage: Product MarkingMass (g)ECCN (EU)ECCN (US)Country of Origin
RHFL4913KP151-Engineering Model-Flat-16PGoldCarrier TapeRHFL4913S1510.7NECEAR99FRANCE
RHFL4913ESY151-Engineering Model-TO-257GoldCarrier TapeRHFL4913ESY151-NECEAR99FRANCE
RHFL4913S151-Engineering Model-SMD.5GoldCarrier TapeRHFL4913S1512NECEAR99FRANCE
Quality & Reliability
Part NumberPackageGradeRoHS Compliance GradeMaterial Declaration**
RHFL4913KP151FLAT16 AlN small cavity EMIndustrialN/A
RHFL4913ESY151TO-257IndustrialN/A
RHFL4913S151SMD.5 oven sealing EMIndustrialN/A
1.5 V rad-hard positive fixed voltage regulator RHFL4913XX15
Engineering Model quality level 1N5822U
Engineering Model quality level 1N5822U