NCP1055ST136T3
IC OFFLINE SWITCH FLYBACK SOT223Manufacturer: onsemi
Categories: AC DC Converters, Offline Switches
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onsemi NCP1055ST136T3 is a high-performance offline switching controller designed for flyback topologies. This component operates at a 136kHz switching frequency and features an integrated 700V power switch, simplifying designs and reducing component count. The device supports up to 40W of output power and offers a 77% maximum duty cycle. Built-in fault protection includes current limiting, open loop, overload, and over-temperature protection for robust operation. The NCP1055ST136T3 is housed in a SOT-223 (TO-261) surface-mount package, ideal for space-constrained applications. Its operating temperature range of -40°C to 150°C (TJ) ensures reliable performance across demanding environments. This controller is widely utilized in AC-DC power supplies for consumer electronics, industrial automation, and lighting applications.
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 | 136kHz |
| 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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