High-performance current mode PWM controller for DC/DC conversion, supporting Boost and Flyback topologies. Features a maximum duty cycle of 96% and a maximum operating frequency of 275kHz. Operates within a supply voltage range of up to 30V, with a maximum supply current of 17mA. Packaged in a narrow SOIC-8 surface-mount package, measuring 5mm in length, 4mm in width, and 1.5mm in height. This lead-free and halogen-free component is RoHS compliant.
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Onsemi UC3843BVD1G technical specifications.
| Package/Case | SOIC |
| Clock Sync | No |
| Duty Cycle | 96% |
| Fall Time | 50ns |
| Halogen Free | Halogen Free |
| Height | 1.5mm |
| Lead Free | Lead Free |
| Length | 5mm |
| Max Duty Cycle | 96% |
| Max Frequency | 275kHz |
| Max Operating Temperature | 105°C |
| Min Operating Temperature | -40°C |
| Max Supply Current | 17mA |
| Max Supply Voltage | 30V |
| Mount | Surface Mount |
| Number of Output Phases | 1 |
| Number of Outputs | 1 |
| Output Current | 1A |
| Output Voltage | 5.1V |
| Package Quantity | 98 |
| Packaging | Rail/Tube |
| Radiation Hardening | No |
| RoHS Compliant | Yes |
| Synchronous Rectifier | No |
| Topology | Boost, Flyback |
| Width | 4mm |
| RoHS | Compliant |
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