UC3844BDG
IC REG CTRLR PWM CM 14-SOICManufacturer: onsemi
Categories: DC DC Switching Controllers
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The onsemi UC3844BDG is a high-performance current-mode PWM controller designed for boost, flyback, and isolated output topologies. This 14-SOIC package device operates with a voltage supply range of 10V to 36V and offers precise frequency control up to 500kHz. Its output configuration is positive and isolation capable, featuring a single output phase and a transistor driver output type. Key control features include frequency control with a maximum duty cycle of 48%. The UC3844BDG is suitable for applications in industrial power supplies, consumer electronics, and automotive systems where efficient DC-DC conversion is critical. This component is supplied in bulk packaging.
Additional Information
Series: -RoHS Status: ROHS3 CompliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: BulkDatasheet:Download Free CAD Model:
Technical Details:
| Packaging | Bulk |
| Package / Case | 14-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) | 10V ~ 36V |
| Supplier Device Package | 14-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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