Application Notes
A guide to the SBP5AS: A Radiation hardened DC to DC converter module
M3L2805D
25W Total Output Power 28 Vin +/-5 Vout Dual DC-DC Rad-Tolerant Converter in a M3L Package.
Active
Benefits
Input-Output isolation
Active inrush current limiting
Fixed switching frequency
Soft start
Short-circuit and overload protection
Input undervoltage lockout
Output turn-on/turn off sequencing
Operation over -55°C to +125°C without de-rating
Magnetically-coupled feedback
TTL-compatible on/off command
external on/off command
Low profile, hermetically-sealed packages
Copper I/O pins
Immunity to TID, SEE, neutron and prompt dose radiation environments in space
Reliability screening option
Class H and Class K processes (IAW MIL-PRF-38534)
Specifications
| Parameter | Value |
|---|---|
| Qual Level | Rad-Tolerant |
| Total Dose kRad (Si) | 25 |
| See (MeV-cm2/mg) | 37 |
| Total Output Power (W) | 25W |
| Input Voltage (V) | 28 |
| Input Voltage Min (V) | 16 |
| Input Voltage Max (V) | 50 |
| Outputs | Dual |
| Typical Efficiency (%) | 79 |
| Package | M3L |
| IOUT Dual (A) | +/-4 |
| Base Part Status | Active |
| Output Voltage Dual (V) | +/-5 |
Space
IR has a long history of providing high-reliability, radiation hardened power management solutions for space flight with products used in over 2000 space programs from launchers to satellites to space exploration vehicles.
M3L
Part # M3L2805DB
25W Total Output Power 28 Vin +/-5 Vout Dual DC-DC Rad-Tolerant Converter in a M3L Package.
| Packaging Options | Part Number | Status | Standard Pack Quantity |
|---|---|---|---|
| A M3L2805D with Standard Packaging | M3L2805D | ACTIVE | 1 |
| Class K Screening Level B | M3L2805DB | ACTIVE | 1 |