FSQ311L
IC OFFLINE SWITCH FLYBACK 8LSOPManufacturer: Fairchild Semiconductor
Categories: AC DC Converters, Offline Switches
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Fairchild Semiconductor FSQ311L is an 8-LSOP packaged offline flyback converter. This monolithic device integrates a PWM controller and a power MOSFET designed for highly efficient, quasi-resonant flyback and forward converter applications. It features internal MOSFET switching, offering a simplified component count and reduced board space. The FSQ311L provides robust fault protection including current limiting, overload, over-temperature, and over-voltage protection. Its operating temperature range is -40°C to 85°C. Typical applications include power adapters, LED lighting, and general-purpose power supplies requiring up to 12W of output power. The device operates from a supply voltage of 8V to 20V with a start-up voltage of 12V and a breakdown voltage of 650V. The topology is flyback with isolated output.
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 | 8-SMD, Gull Wing |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Duty Cycle | - |
| Frequency - Switching | - |
| Internal Switch(s) | Yes |
| Voltage - Breakdown | 650V |
| Output Isolation | Isolated |
| Topology | Flyback |
| Voltage - Supply (Vcc/Vdd) | 8V ~ 20V |
| Supplier Device Package | 8-LSOP |
| Fault Protection | Current Limiting, Over Load, Over Temperature, Over Voltage |
| Voltage - Start Up | 12 V |
| Control Features | Sync |
| Power (Watts) | 12 W |
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