Single-ended current mode PWM controller operating up to 500kHz. Features 100% maximum duty cycle and 8.4V/7.6V UVLO. Designed for Buck-Boost and Flyback topologies, this integrated circuit offers a 1A output current capability. Operating temperature range is 0°C to 70°C, with a supply voltage range of 12V to 30V. Packaged in an 8-SOIC case, this RoHS compliant component has a typical operating supply current of 11mA.
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Texas Instruments UC3843D8 technical specifications.
| Package/Case | D |
| Duty Cycle | 100% |
| Fall Time | 50ns |
| Frequency | 450kHz |
| Input Current | 11mA |
| Lead Free | Lead Free |
| Max Duty Cycle | 100% |
| Max Frequency | 500kHz |
| Max Operating Temperature | 70°C |
| Min Operating Temperature | 0°C |
| Max Supply Voltage | 30V |
| Min Supply Voltage | 12V |
| Number of Outputs | 1 |
| Operating Supply Current | 11mA |
| Output Current | 1A |
| Output Voltage | 5V |
| Package Quantity | 75 |
| Packaging | Rail/Tube |
| Power Dissipation | 650mW |
| Quiescent Current | 11mA |
| Radiation Hardening | No |
| Reach SVHC Compliant | No |
| RoHS Compliant | Yes |
| Topology | Buck-Boost, Flyback |
| Weight | 0.002561oz |
| RoHS | Compliant |
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