NCP1051P44
IC OFFLINE SWITCH FLYBACK 7DIPManufacturer: onsemi
Categories: AC DC Converters, Offline Switches
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The onsemi NCP1051P44 is an offline switching controller designed for flyback topologies. This 7-lead, 7-PDIP packaged component operates at a switching frequency of 44kHz and supports up to 40W of power. It features an integrated 700V power switch and a selectable current limit. Built-in fault protection includes current limiting, open loop, overload, and over-temperature protection for robust operation. The device operates within a supply voltage range of 7.5V to 10V, with a startup voltage of 8.5V. Its high breakdown voltage and isolation capabilities make it suitable for applications in power supplies, LED lighting, and consumer electronics. The NCP1051P44 is supplied in a tube for efficient integration into manufacturing processes.
Additional Information
Series: -RoHS Status: RoHS non-compliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: TubeDatasheet:Download Free CAD Model:
Technical Details:
| Packaging | Tube |
| Package / Case | 8-DIP (0.300"", 7.62mm), 7 Leads |
| Mounting Type | Through Hole |
| Operating Temperature | -40°C ~ 150°C (TJ) |
| Duty Cycle | 77% |
| Frequency - Switching | 44kHz |
| Internal Switch(s) | Yes |
| Voltage - Breakdown | 700V |
| Output Isolation | Isolated |
| Topology | Flyback |
| Voltage - Supply (Vcc/Vdd) | 7.5V ~ 10V |
| Supplier Device Package | 7-PDIP |
| 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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