UC3844BD1G
IC REG CTRLR PWM CM 8-SOICManufacturer: onsemi
Categories: DC DC Switching Controllers
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The onsemi UC3844BD1G is a high-performance current-mode PWM controller designed for boost and flyback topologies. This versatile IC supports step-up and step-up/step-down DC-DC conversion with an isolation-capable positive output. Featuring frequency control, it operates at switching frequencies up to 500kHz with a maximum duty cycle of 48%. The device is suitable for applications requiring a single output phase and provides a transistor driver output. It is housed in an 8-SOIC (0.154", 3.90mm Width) surface-mount package. The UC3844BD1G operates within a supply voltage range of 10V to 36V and an ambient temperature range of 0°C to 70°C. This component is commonly utilized in power supply and power management applications across various industrial and consumer electronics sectors.
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 | 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) | 10V ~ 36V |
| 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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