STMicroelectronics LEO3910
The LEO3910 is a positive adjustable voltage regulator housed into a Power-SO 20 slug-down package, which is able to provide in regulation a maximum output current up to 2 A. It can operate over a large temperature range of -40 °C to +125 °C. The LEO3910 is compliant with the ST-LEO-specification, dedicated specifications for space-ready rad-hard plastic products.| Part No. | LEO3910 |
|---|---|
| Datasheet | LEO3910 Download |
| Manufacturer |  STMicroelectronics |
| Description | Rad-hard plastic 2A positive low drop voltage regulator |
| Buy | Stock & Price |
FEATURES
● Operating input voltage from 3 V to 12 V● Adjustable output voltage from 1.23 V to 9 V
● Low-dropout voltage: 0.35 V @ IO = 400 mA
● Overtemperature protection
● Overcurrent protection
● Adjustable current limitation
● Inhibit pin
● High dissipation Power-SO20 package: Rthjc < 2 °C/W
● Operating temperature range: -40 to +125 °C
● Compliant with ST’s LEO specification, including – Wisker free Nickel/Palladium/Gold lead finishing – Gold wires – Characterized outgassing: RML < 1% - CVCM < 0.1%
● Radiation performance: – 50 krad(Si) Total Ionizing Dose – TNID immune at 3.1011 proton/cm² – SEL free up to 62 MeV.cm²/mg Application
● LEO satellites power management
● Power supply of FPGA, MPU, ASIC, and MCU
● Power management in radiative and other harsh environments
DESCRIPTION
This AEC-Q100-based specidfication offers radiation hardness and the capability to support large quantities, together with a trade-off optimized for LEO space crafts between quality assurance and cost of ownership (details on the ST LEO generic specification can be found in TN1432).
