Single-ended current mode PWM controller operating at 450kHz with a maximum duty cycle of 50%. Features 8.4V/7.6V undervoltage lockout (UVLO) and a nominal input voltage of 25V, supporting supply voltages from 12V to 25V. Designed for buck-boost and flyback topologies, this integrated circuit offers a 1A output current at 5.1V. Packaged in an 8-PDIP with a temperature range of 0°C to 70°C, it boasts a 1mA input current and 1W power dissipation.
Frequency450kHz
PackageP
Power1W
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Technical Specifications
Texas Instruments UC3845NG4 technical specifications.
General
| Package/Case | P |
| Clock Sync | No |
| Fall Time | 50ns |
| Frequency | 450kHz |
| Input Current | 11mA |
| Lead Free | Lead Free |
| Max Duty Cycle | 50% |
| Max Operating Temperature | 70°C |
| Min Operating Temperature | 0°C |
| Max Supply Voltage | 25V |
| Min Supply Voltage | 12V |
| Nominal Input Voltage | 25V |
| Number of Output Phases | 1 |
| Number of Outputs | 1 |
| Output Current | 1A |
| Output Voltage | 5.1V |
| Package Quantity | 50 |
| Packaging | Rail/Tube |
| Power Dissipation | 1W |
| Reach SVHC Compliant | No |
| RoHS Compliant | Yes |
| Synchronous Rectifier | No |
| Thickness | 3.9mm |
| Topology | Buck-Boost, Flyback |
| Weight | 0.018646oz |
Compliance
| RoHS | Compliant |
Datasheet
Texas Instruments UC3845NG4 Datasheet
Download the complete datasheet for Texas Instruments UC3845NG4 to view detailed technical specifications.
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