The 145-19-SD by Demke Electronic is a non-isolated DC/DC step-down converter for a nominal input voltage of 80 VDC. It operates across an input voltage range of 21 to 100 VDC and delivers 19 VDC at up to 10 A, equivalent to 190 W of output power. Efficiency reaches up to97% at nominal input voltage and full load.
| Input voltage Vin | 21…100 VDC |
|---|---|
| Nominal input voltage | 80 VDC |
| Peak input voltage | 125 VDC |
| Max. input current | 11 A |
| Recommended input fuse | 15 A |
| Output voltage Vout | 19 VDC |
| Output current Iout | 10 A |
| Output power Pout | 190 W |
| Efficiency | up to 97 % |
| Output configuration | Unipolar |
| Isolation | Non-isolated |
| Insulation strength primary to case | 1500 VDC |
| EMI filter | Input and output |
| Switching frequency | 140 kHz |
| Max. capacitive load | Unlimited |
| Control function | SD – Shutdown |
| Shutdown voltage | -0.2…2.8 VDC |
| Dimensions | 77 × 52 × 19 mm |
|---|---|
| Weight | 165 g |
| Mounting | Wall mounting |
| Connection type | Connector strip |
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