NCP1054ST44T3G
IC OFFLINE SWITCH FLYBACK SOT223Manufacturer: onsemi
Categories: AC DC Converters, Offline Switches
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The onsemi NCP1054ST44T3G is an offline switching regulator designed for flyback topologies. This component operates at a switching frequency of 44kHz and features an internal 700V power switch. It supports a maximum output power of 40W and has a high duty cycle capability of 77%. Integrated fault protection mechanisms include current limiting, open loop, overload, and over-temperature protection, ensuring robust operation. The device requires a supply voltage of 7.5V to 10V for startup, with a typical startup voltage of 8.5V. Supplied in a SOT-223 (TO-261) surface mount package, it is suitable for use in applications requiring isolated power conversion. Typical industries utilizing this component include industrial automation and consumer electronics.
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 | TO-261-4, TO-261AA |
| Mounting Type | Surface Mount |
| 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 | 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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