The RHFL4913 Fixed is a high performance Rad Hard Positive Voltage Regulator family. It is available in various hermetic ceramic packages and is specifically intended for Space and harsh radiation environments. It has a low dropout voltage, embedded overtemperature and overcurrent protections, adjustable current limitation, output overload monitoring/signalling, fixed 2.5V, 3.3V and 5.0V output voltages, inhibit (on/off) TTL compatible control, programmable output short circuit current and remote sensing operation. It is MIL-STD-1019.5 qualified and has a radiation resistance of 300krad. It can withstand 2x10^14 protons/cm^2 and 2x10^14 neutrons/cm^2 of radiation.
The RHFL4913 Fixed is a high-performance Rad-Hard Positive Voltage Regulator family specifically intended for Space and harsh radiation environments. It is available in various hermetic ceramic packages and is QmI-V Qualified with DSCC SMD numbers 5962F02534 through 5962F02537. The device features embedded overtemperature and overcurrent protections, adjustable current limitation, and output overload monitoring/signalling.
| Input Voltage Range | 3 to 12 V |
|---|---|
| Output Voltages | 2.5V, 3.3V, 5.0V |
| Output Current (RHFL4913S) | 3 A |
| Output Current (RHFL4913KP) | 2 A |
| Power Dissipation | 15 W |
| Operating Junction Temperature | -55 to +150 °C |
| Radiation Hardness | 300 krad |
The device provides fixed output voltages of 2.5V, 3.3V, and 5.0V.
The maximum operating junction temperature range is from -55°C to +150°C.
The short-circuit current limit is adjustable by mask or by connecting an external resistor between the ISC pin and the input voltage pin.