UC3843BDG
IC REG CTRLR FLYBACK 14SOICManufacturer: onsemi
Categories: DC DC Switching Controllers
Quality Control: Learn More
The onsemi UC3843BDG is a high-performance current-mode PWM controller for Boost and Flyback applications. This 14-SOIC package device offers precise control over switching frequencies up to 500kHz, with a maximum duty cycle of 96%. Its output configuration supports positive, isolation-capable designs, driving a single transistor output. Key features include frequency control and a wide supply voltage range from 7.6V to 30V. The UC3843BDG is suitable for power supply designs across various industries, including industrial automation, consumer electronics, and telecommunications. It operates within a temperature range of 0°C to 70°C.
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) | 7.6V ~ 30V |
| Supplier Device Package | 14-SOIC |
| Synchronous Rectifier | No |
| Control Features | Frequency Control |
| Serial Interfaces | - |
| Output Phases | 1 |
| Duty Cycle (Max) | 96% |
| Clock Sync | No |
| Number of Outputs | 1 |
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