STMicroelectronics is expanding its portfolio of power management ICs for aerospace.
The first member of the PWM controller family is an up-screened 50/100 krad (Si) SEL free version of the industry standard UC1843/UC1845, providing direct replacement for existing solutions.
| Part Number | General Description | Radiation Level | Agency Qualification | Agency Generic Spec | EPPL | Hi-Rel Package | Other Features | Supply Voltage(Vcc) min (V) | Supply Voltage(Vcc) max (V) | Frequency max (kHz) | Temperature range(T) |
| ST1843 | Rad-tolerant current mode PWM controller | 50 krad (Si) - SEL free | According to ESCC | - | - | Flat-8 | Duty Cycle up to 100% | 7.6 | 30 | - | -55 to 150 C |
| ST1845 | Rad-tolerant current mode PWM controller | 100 krad (Si) - SEL free | According to ESCC | - | - | Flat-8 | Duty Cycle up to 50% | 7.6 | 30 | - | -55 to 150 C |
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