onsemi NCP1053ST44T3
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | Dhs. 2.14 | Dhs. 2.14 |
| 15+ | Dhs. 2.07 | Dhs. 31.05 |
| 25+ | Dhs. 2.03 | Dhs. 50.75 |
| 50+ | Dhs. 1.91 | Dhs. 95.50 |
| 100+ | Dhs. 1.69 | Dhs. 169.00 |
| N+ | Dhs. 0.34 | Price Inquiry |
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NCP1053ST44T3 - Offline Switching Controller IC
The NCP1053ST44T3 from onsemi is a high-performance, cost-effective AC-DC offline switching controller designed for flyback topology applications up to 40W. This integrated controller features a 700V breakdown voltage, 44kHz switching frequency, and comprehensive protection circuitry including current limiting, over-temperature, over-load, and open-loop protection.
Key Features:
- 700V high-voltage breakdown capability
- Integrated flyback switching controller with internal switch
- 44kHz fixed switching frequency for predictable EMI performance
- Wide operating temperature range: -40°C to 150°C (TJ)
- Comprehensive fault protection: current limiting, over-temperature, over-load, open-loop
- Compact SOT-223 (TO-261) surface-mount package
- 77% maximum duty cycle for efficient power conversion
- Low start-up voltage: 8.5V
Applications: Ideal for AC-DC power supplies, battery chargers, auxiliary power modules, industrial control systems, consumer electronics, and telecom equipment requiring isolated, regulated DC output.
Quality & Compliance: Supplied in tape & reel packaging for automated assembly. RoHS and REACH compliant. Full traceability and long lifecycle support from authorized distributor.
| Product attributes | Property Value |
| Manufacturer | onsemi |
| Product Series | |
| Packaging | Tape & Reel (TR) | |
| Output Isolation | Isolated |
| Internal Switch(s) | Yes |
| Voltage - Breakdown | 700V |
| Topology | Flyback |
| Voltage - Start Up | 8.5 V |
| Voltage - Supply (Vcc/Vdd) | 7.5V ~ 10V |
| Duty Cycle | 77% |
| Frequency - Switching | 44kHz |
| Power (Watts) | 40 W |
| Fault Protection | Current Limiting, Open Loop, Over Load, Over Temperature |
| Control Features | - |
| Operating Temperature | -40°C ~ 150°C (TJ) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | TO-261-4, TO-261AA |
| Supplier Device Package | SOT-223 (TO-261) |
NCP1053ST44T3.pdf