UC3845NG
IC REG CTRLR BOOST/FLYBACK 8DIPManufacturer: onsemi
Categories: DC DC Switching Controllers
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The onsemi UC3845NG is a versatile current-mode, fixed-frequency PWM controller designed for boost, flyback, and isolated converter topologies. This 8-PDIP package component offers a positive output configuration with isolation capability and a transistor driver output. Operating from a 7.6V to 30V supply, the UC3845NG features frequency control and a maximum duty cycle of 48%, enabling switching frequencies up to 500kHz. Its functionality extends to step-up and step-up/step-down applications, making it suitable for power supply designs in industrial, automotive, and telecommunications sectors. The through-hole mounting type simplifies integration into existing PCB layouts.
Additional Information
Series: -RoHS Status: unknownManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: TubeDatasheet:Download Free CAD Model:
Technical Details:
| Packaging | Tube |
| Package / Case | 8-DIP (0.300"", 7.62mm) |
| Output Type | Transistor Driver |
| Mounting Type | Through Hole |
| Function | Step-Up, Step-Up/Step-Down |
| Operating Temperature | 0°C ~ 70°C (TA) |
| Output Configuration | Positive, Isolation Capable |
| Frequency - Switching | Up to 500kHz |
| Topology | Boost, Flyback |
| Voltage - Supply (Vcc/Vdd) | 7.6V ~ 30V |
| Supplier Device Package | 8-PDIP |
| Synchronous Rectifier | No |
| Control Features | Frequency Control |
| Serial Interfaces | - |
| Output Phases | 1 |
| Duty Cycle (Max) | 48% |
| Clock Sync | No |
| Number of Outputs | 1 |
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