NCP1054ST100T3
IC OFFLINE SWITCH FLYBACK SOT223Manufacturer: onsemi
Categories: AC DC Converters, Offline Switches
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The onsemi NCP1054ST100T3 is an offline switching controller designed for flyback topologies. This device integrates a high-voltage MOSFET, enabling operation directly from rectified mains voltage up to 700V breakdown. It features a fixed switching frequency of 100kHz and a maximum duty cycle of 77%. The NCP1054ST100T3 offers robust fault protection, including current limiting, open-loop, overload, and over-temperature protection. It operates within a supply voltage range of 7.5V to 10V with a startup voltage of 8.5V. Encased in a SOT-223 (TO-261) package for surface mounting, this component is suitable for power supplies up to 40W. Applications include consumer electronics, industrial automation, and power supply units.
Additional Information
Series: -RoHS Status: RoHS non-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 | TO-261-4, TO-261AA |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 150°C (TJ) |
| Duty Cycle | 77% |
| Frequency - Switching | 100kHz |
| Internal Switch(s) | Yes |
| Voltage - Breakdown | 700V |
| Output Isolation | Isolated |
| Topology | Flyback |
| Voltage - Supply (Vcc/Vdd) | 7.5V ~ 10V |
| Supplier Device Package | SOT-223 (TO-261) |
| Fault Protection | Current Limiting, Open Loop, Over Load, Over Temperature |
| Voltage - Start Up | 8.5 V |
| Control Features | - |
| Power (Watts) | 40 W |
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