UC3851N
IC OFFLINE SWITCH MULT TOP 18DIPManufacturer: Texas Instruments
Categories: AC DC Converters, Offline Switches
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Texas Instruments UC3851N is an offline switching controller designed for high-efficiency power conversion. This component supports multiple topologies including Boost, Buck, Flyback, and Forward configurations, operating at switching frequencies up to 500kHz. Key control features include integrated soft-start and frequency control, enabling precise power management. The UC3851N incorporates essential fault protection mechanisms such as current limiting and over-voltage protection, ensuring robust operation. It requires a supply voltage ranging from 7.8V to 32V and features a start-up voltage of 8V. The device is packaged in an 18-PDIP through-hole configuration, suitable for general-purpose industrial and consumer electronics applications requiring reliable AC-DC conversion.
Additional Information
Series: -RoHS Status: ROHS3 CompliantManufacturer Lead Time: 12 week(s)Product Status: ActivePackaging: BulkDatasheet:Download Free CAD Model:
Technical Details:
| Packaging | Bulk |
| Package / Case | 18-DIP (0.300"", 7.62mm) |
| Mounting Type | Through Hole |
| 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-PDIP |
| Fault Protection | Current Limiting, Over Voltage |
| Voltage - Start Up | 8 V |
| Control Features | Frequency Control, Soft Start |
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