UC3851DW
IC OFFLINE SW MULT TOP 18SOICManufacturer: Texas Instruments
Categories: AC DC Converters, Offline Switches
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The Texas Instruments UC3851DW is a highly versatile offline switching controller designed for multiple topologies including Boost, Buck, Flyback, and Forward converters. This component operates with switching frequencies up to 500kHz, providing efficient power conversion in a compact 18-SOIC package. Key control features include built-in frequency control and soft-start capabilities, ensuring smooth power-up sequences. The UC3851DW integrates robust fault protection mechanisms, such as current limiting and over-voltage protection, to safeguard connected circuitry. Its wide input voltage range, from 7.8V to 32V with a typical startup voltage of 8V, makes it suitable for diverse power supply applications. This device is commonly utilized in industrial power supplies, consumer electronics, and telecommunications equipment. The UC3851DW is supplied in bulk packaging for efficient integration into high-volume manufacturing processes.
Additional Information
Series: -RoHS Status: ROHS3 CompliantManufacturer Lead Time: 18 week(s)Product Status: Last Time BuyPackaging: BulkDatasheet:Download Free CAD Model:
Technical Details:
| Packaging | Bulk |
| Package / Case | 18-SOIC (0.295"", 7.50mm Width) |
| Mounting Type | Surface Mount |
| Operating Temperature | 0°C ~ 70°C (TA) |
| Duty Cycle | 50% |
| Frequency - Switching | Up to 500kHz |
| Internal Switch(s) | No |
| Voltage - Breakdown | - |
| Output Isolation | - |
| Topology | Boost, Buck, Flyback, Forward |
| Voltage - Supply (Vcc/Vdd) | 7.8V ~ 32V |
| Supplier Device Package | 18-SOIC |
| Fault Protection | Current Limiting, Over Voltage |
| Voltage - Start Up | 8 V |
| Control Features | Frequency Control, Soft Start |
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