UC3842BD1G
IC REG CTRLR BST FLYBK ISO 8SOICManufacturer: onsemi
Categories: DC DC Switching Controllers
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The onsemi UC3842BD1G is a highly effective current-mode, fixed-frequency PWM controller IC. This component is designed for versatile DC-DC conversion, supporting both Boost and Flyback topologies. Its output configuration is positive and isolation capable, facilitating flexible design implementations. With precise frequency control, the UC3842BD1G offers a switching frequency of up to 500kHz, maximizing power density. The maximum duty cycle is rated at 96%, ensuring efficient power transfer. This device features a single output phase and an output type of transistor driver. It operates within a voltage supply range of 10V to 30V and is housed in an 8-SOIC (0.154", 3.90mm Width) package, suitable for surface mounting. The UC3842BD1G is commonly employed in power supplies for industrial automation, consumer electronics, and telecommunications equipment. It is supplied in a tube for efficient handling.
Additional Information
Series: -RoHS Status: ROHS3 CompliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: TubeDatasheet:Download Free CAD Model:
Technical Details:
| Packaging | Tube |
| 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 ~ 30V |
| Supplier Device Package | 8-SOIC |
| Synchronous Rectifier | No |
| Control Features | Frequency Control |
| Serial Interfaces | - |
| Output Phases | 1 |
| Duty Cycle (Max) | 96% |
| Clock Sync | No |
| Number of Outputs | 1 |