Smart load switch integrates programmable current limiting, programmable slew-rate control, overtemperature protection, and fault reporting. The device operates from a 6 V to 28 V input range and uses a 56 mΩ typical switch in a DFN-10 3 mm x 3 mm package. The SiP32429 version provides auto-retry behavior after overcurrent or overtemperature faults. It supports a 0.75 A to 3.5 A programmable current-limit range and operates over a -40 °C to +85 °C temperature range.
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| Input voltage | 6 to 28V |
| Typical on resistance | 56mΩ |
| Maximum on resistance | 72mΩ |
| Programmable current limit range | 0.75 to 3.5A |
| Current limit accuracy at RSET 4.1 kΩ | 1.2 to 1.8, 1.5 typicalA |
| Quiescent current | 170 typical, 300 maximumµA |
| Shutdown current | 12 typical, 20 maximumµA |
| Maximum continuous switch current | 4.5A |
| Soft start charge current | 4.5 typicalµA |
| Turn-on delay time | 550 typicalµs |
| Turn-off delay time | 1 typicalµs |
| Auto-retry time | 150 typicalms |
| Input logic high voltage | 1.5 minimumV |
| Input logic low voltage | 0.6 maximumV |
| Power good trip voltage | 90% x VIN typicalV |
| UVLO threshold | 4.8 typical, 5.4 maximumV |
| Thermal shutdown threshold | 137 typical°C |
| Operating temperature range | -40 to +85°C |
| Package | DFN-10 3 mm x 3 mm |
| RoHS | Compliant for GE4 orderable part number |
| Halogen-free | Compliant for GE4 orderable part number |
| Safety Certification | IEC 62368-1 certified |
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