UC3842ADX
SWITCHING CONTROLLERManufacturer: Fairchild Semiconductor
Categories: DC DC Switching Controllers
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Fairchild Semiconductor UC3842ADX is a high-performance, versatile current-mode PWM controller designed for a wide range of DC-DC switching topologies including Boost, Buck, Flyback, and Forward converters. This 8-SOIC package device offers precise control with a maximum duty cycle of 96% and supports switching frequencies up to 500kHz. Key control features include frequency control for optimized operation. The UC3842ADX provides a positive output with isolation capability, driving a single output phase. Its operating voltage range is 10V to 30V, with an operating temperature of 0°C to 70°C. This component is commonly utilized in power supply applications across industrial, consumer electronics, and automotive 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-Down, Step-Up/Step-Down |
| Operating Temperature | 0°C ~ 70°C (TA) |
| Output Configuration | Positive, Isolation Capable |
| Frequency - Switching | Up to 500kHz |
| Topology | Boost, Buck, Flyback, Forward |
| 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 |
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