Advanced half-bridge/full-bridge PWM controller for offline applications, featuring a 100% maximum duty cycle and 945kHz operating frequency. This surface mountable, lead-free integrated circuit offers synchronous rectification and a push-pull topology. It operates from a 4.7V to 17V supply voltage, with a typical supply current of 2mA and a maximum of 275uA. The controller provides two positive outputs with a 3.25V output voltage and 200mA output current, and a fall time of 8ns. Packaged in a 4.15mm x 4.15mm x 0.95mm QFN, it is RoHS compliant and suitable for operation between -40°C and 125°C.
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Texas Instruments UCC28251RGPT technical specifications.
| Package/Case | QFN |
| Clock Sync | No |
| Duty Cycle | 100% |
| Fall Time | 8ns |
| Frequency | 945kHz |
| Height | 0.95mm |
| Lead Free | Lead Free |
| Length | 4.15mm |
| Max Duty Cycle | 100% |
| Max Operating Temperature | 125°C |
| Min Operating Temperature | -40°C |
| Max Supply Current | 275uA |
| Max Supply Voltage | 17V |
| Min Supply Voltage | 4.7V |
| Mount | Surface Mount |
| Number of Output Phases | 1 |
| Number of Outputs | 2 |
| Operating Supply Current | 2mA |
| Operating Supply Voltage | 12V |
| Output Configuration | Positive |
| Output Current | 200mA |
| Output Type | PWM |
| Output Voltage | 3.25V |
| Package Quantity | 250 |
| Packaging | Tape and Reel |
| Radiation Hardening | No |
| Reach SVHC Compliant | No |
| RoHS Compliant | Yes |
| Series | UCC28251 |
| Synchronous Rectifier | Yes |
| Topology | Push-Pull |
| Weight | 0.002469oz |
| Width | 4.15mm |
| RoHS | Compliant |
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