L5991
IC OFFLINE SWITCH MULT TOP 16DIPManufacturer: STMicroelectronics
Categories: AC DC Converters, Offline Switches
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STMicroelectronics L5991 is an offline switching controller designed for high-efficiency power conversion. This 16-DIP packaged component supports Boost and Flyback topologies, operating at switching frequencies up to 1MHz. It features internal voltage regulation for startup at 15V and a supply voltage range of 10V to 20V. Key control features include frequency control, soft-start functionality, and synchronization capability. The L5991 offers robust fault protection with current limiting and over-voltage protection, ensuring reliable operation. Its high-efficiency design and comprehensive feature set make it suitable for applications in industrial power supplies, consumer electronics, and lighting control systems. The device operates across a wide temperature range of -40°C to 150°C (TJ).
Additional Information
Series: -RoHS Status: ROHS3 CompliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: TubeDatasheet:Download Free CAD Model:
Technical Details:
| Packaging | Tube |
| Package / Case | 16-DIP (0.300"", 7.62mm) |
| Mounting Type | Through Hole |
| Operating Temperature | -40°C ~ 150°C (TJ) |
| Duty Cycle | 93% |
| Frequency - Switching | Up to 1MHz |
| Internal Switch(s) | No |
| Voltage - Breakdown | - |
| Output Isolation | Isolated |
| Topology | Boost, Flyback |
| Voltage - Supply (Vcc/Vdd) | 10V ~ 20V |
| Supplier Device Package | 16-DIP |
| Fault Protection | Current Limiting, Over Voltage |
| Voltage - Start Up | 15 V |
| Control Features | Frequency Control, Soft Start, Sync |
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