High-performance current mode PWM controller for DC/DC conversion. Features a 96% maximum duty cycle and a 52kHz operating frequency, with a maximum frequency capability of 275kHz. Designed for surface mount applications in a narrow SOIC package, this component supports boost and flyback topologies. Operates within a 0°C to 70°C temperature range, with a maximum supply voltage of 30V and a maximum supply current of 17mA. Offers a 1A output current and a 5.1V output voltage.
Frequency52kHz
PackageSOIC
MountingSurface Mount
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Technical Specifications
Onsemi UC3843BD1R2G technical specifications.
General
| Package/Case | SOIC |
| Clock Sync | No |
| Duty Cycle | 96% |
| Fall Time | 50ns |
| Frequency | 52kHz |
| Halogen Free | Halogen Free |
| Height | 1.5mm |
| Lead Free | Lead Free |
| Length | 5mm |
| Max Duty Cycle | 96% |
| Max Frequency | 275kHz |
| Max Operating Temperature | 70°C |
| Min Operating Temperature | 0°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 | 2500 |
| Packaging | Tape and Reel |
| Reach SVHC Compliant | No |
| RoHS Compliant | Yes |
| Synchronous Rectifier | No |
| Topology | Boost, Flyback |
| Width | 4mm |
Compliance
| RoHS | Compliant |
Datasheet
Onsemi UC3843BD1R2G Datasheet
Download the complete datasheet for Onsemi UC3843BD1R2G to view detailed technical specifications.
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