UCC28221DRG4
IC OFFLINE SWITCH FLYBACK 16SOICManufacturer: Texas Instruments
Categories: AC DC Converters, Offline Switches
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Texas Instruments UCC28221DRG4 is an isolated offline flyback converter controller designed for high-frequency power supply applications. This device operates at a switching frequency up to 2MHz, enabling compact power supply designs. Key control features include a soft-start function and a fixed 75% duty cycle. For robust operation, it incorporates current limiting and over-voltage fault protection. The UCC28221DRG4 has a startup voltage of 13V and operates from a VCC/VDD supply range of 8.4V to 14.5V. It is housed in a 16-SOIC package suitable for surface mounting. Typical applications include consumer electronics, industrial power supplies, and telecommunications equipment. The component operates across a wide temperature range of -55°C to 150°C (TJ).
Additional Information
Series: -RoHS Status: ROHS3 CompliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: Tape & Reel (TR)Datasheet:Download Free CAD Model:
Technical Details:
| Packaging | Tape & Reel (TR) |
| Package / Case | 16-SOIC (0.154"", 3.90mm Width) |
| Mounting Type | Surface Mount |
| Operating Temperature | -55°C ~ 150°C (TJ) |
| Duty Cycle | 75% |
| Frequency - Switching | 2MHz |
| Internal Switch(s) | No |
| Voltage - Breakdown | - |
| Output Isolation | Isolated |
| Topology | Flyback |
| Voltage - Supply (Vcc/Vdd) | 8.4V ~ 14.5V |
| Supplier Device Package | 16-SOIC |
| Fault Protection | Current Limiting, Over Voltage |
| Voltage - Start Up | 13 V |
| Control Features | Soft Start |
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