The 755-48-SD by Demke Electronic is a galvanically isolated DC/DC buck-boost converter for a nominal input voltage of 80 VDC. It operates across an input voltage range of 18 to 110 VDC and delivers 48 VDC at up to 10.50 A, equivalent to 500 W of output power. Efficiency reaches up to95% at nominal input voltage and full load.
| Input voltage Vin | 18…110 VDC |
|---|---|
| Nominal input voltage | 80 VDC |
| Peak input voltage | 125 VDC |
| Max. input current | 30 A |
| Recommended input fuse | 35 A |
| Output voltage Vout | 48 VDC |
| Output current Iout | 10.5 A |
| Output power Pout | 500 W |
| Efficiency | up to 95 % |
| Output configuration | Unipolar |
| Isolation | Galvanically isolated |
| Insulation strength primary to secondary | 2100 VDC |
| Insulation strength primary to case | 2100 VDC |
| EMI filter | Input and output |
| Switching frequency | 120 kHz |
| Max. capacitive load | Unlimited |
| Control function | SD – Shutdown |
| Shutdown voltage | -0.2…2.8 VDC |
| Dimensions | 130 × 130 × 28 mm |
|---|---|
| Weight | 900 g |
| Mounting | Wall mounting |
| Connection type | Cable |
| Cable length | 300 mm |
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