Description

The RM28 is an ARM Series three output DC/DC converter designed specifically for use in high-dose radiation environments, such as deep space planetary missions. It features an extremely high level of radiation tolerance, achieved through thorough research, analysis, component selection, and lot verification testing. The RM28 incorporates the best circuit design features of earlier International Rectifier products, ensuring high performance and reliability in radiation intense environments. It sets the standard for distributed power systems.

Specifications and features

- Total Dose > 1MRad (Si)
- SEE Hardened to LET up to 83 Mev.cm2/mg
- Derated per MIL-STD-975 & MIL-STD-1547
- Output Power Range: 3 to 30 Watts
- Input Range: 19 to 50 Volts
- Input Undervoltage Lockout
- High Electrical Efficiency > 80%
- Full Performance from -55°C to +125°C
- Continuous Short Circuit Protection
- Output Power Density: 12.8 W / in3
- True Hermetic Package
- External Inhibit Port
- Externally Synchronizable
- Fault Tolerant Design
- Outputs Available: 5V, ±12V or 5V, ±15V

Application Scenarios

The RM28 is ideal for use in distributed power systems that require high performance and reliability in radiation intense environments. It is specifically designed for deep space planetary missions, where it can withstand long term exposures to high levels of radiation. Its true hermetic package and fault tolerant design make it suitable for use in demanding applications.

Comparison

The RM28 offers the following advantages:

- Excellent radiation tolerance
- High performance and reliability
- Wide input and output voltage range
- High electrical efficiency
- Continuous short circuit protection

However, there are also disadvantages to consider:

- Limited output power range (3 to 30 Watts)
- May require additional external synchronization
- Availability of specific output voltages (5V, ±12V or 5V, ±15V)