UC3845BD1R2
IC REG CTRLR BOOST/FLYBACK 8SOICManufacturer: onsemi
Categories: DC DC Switching Controllers
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The onsemi UC3845BD1R2 is a high-performance current-mode PWM controller IC designed for Boost and Flyback topologies. This component features frequency control and a maximum duty cycle of 48%, operating with switching frequencies up to 500kHz. It provides a positive, isolation-capable output configuration and is suitable for step-up and step-up/step-down DC-DC conversion applications. The UC3845BD1R2 requires a supply voltage between 7.6V and 30V and is packaged in an 8-SOIC (0.154", 3.90mm Width) surface mount configuration, supplied on tape and reel. This device is commonly utilized in industrial power supplies, lighting, and consumer electronics.
Additional Information
Series: -RoHS Status: RoHS non-compliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: Tape & Reel (TR)Download Free CAD Model:
Technical Details:
| Packaging | Tape & Reel (TR) |
| Package / Case | 8-SOIC (0.154"", 3.90mm Width) |
| Output Type | Transistor Driver |
| Mounting Type | Surface Mount |
| 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-SOIC |
| 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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