UC3845BVN
IC REG CTRLR BOOST/FLYBACK 8DIPManufacturer: onsemi
Categories: DC DC Switching Controllers
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onsemi UC3845BVN is a highly efficient current-mode PWM controller designed for Boost, Flyback, and isolated converter topologies. This 8-PDIP package component features a wide operating voltage range of 7.6V to 30V and offers precise control with a maximum duty cycle of 48%. Its versatile functionality supports step-up and step-up/step-down configurations, making it suitable for applications requiring isolation. The UC3845BVN operates at switching frequencies up to 500kHz and includes frequency control for enhanced performance. This device is commonly utilized in power supply units, industrial automation, and consumer electronics.
Additional Information
Series: -RoHS Status: RoHS non-compliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: TubeDownload 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 | -40°C ~ 105°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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