NCP1052ST44T3G
IC OFFLINE SWITCH FLYBACK SOT223Manufacturer: onsemi
Categories: AC DC Converters, Offline Switches
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The onsemi NCP1052ST44T3G is a highly integrated offline switcher designed for flyback topologies. This device operates at a 44kHz switching frequency and features an internal 700V power switch, simplifying external component count. With a maximum duty cycle of 77% and capable of delivering up to 40W, it offers robust fault protection including current limiting, open loop, overload, and over-temperature protection. The NCP1052ST44T3G is housed in a SOT-223 (TO-261) surface mount package, facilitating efficient board layout. It requires a Vcc/Vdd supply range of 7.5V to 10V and has a startup voltage of 8.5V. This component is suitable for various applications including consumer electronics, industrial power supplies, and lighting solutions.
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 |