onsemi NCP1052ST44T3G
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $94,999.99 | $94,999.99 |
| 15+ | $91,999.99 | $1,379,999.85 |
| 25+ | $89,999.99 | $2,249,999.75 |
| 50+ | $84,999.99 | $4,249,999.50 |
| 100+ | $74,999.99 | $7,499,999.00 |
| N+ | $15,000.00 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | onsemi |
| Product Series | |
| Packaging | | |
| 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) |
| ROHS |
NCP1052ST44T3G - High-Performance Flyback Switching Controller
The NCP1052ST44T3G from onsemi is a robust 40W flyback switching controller designed for isolated AC/DC power supply applications. Featuring a 700V breakdown voltage and comprehensive fault protection including current limiting, open loop, overload, and over-temperature safeguards, this controller delivers reliable performance across demanding industrial and commercial applications.
Key Features:
- 40W power output with 700V breakdown voltage
- Isolated flyback topology for enhanced safety
- Wide operating temperature range: -40°C to 150°C (TJ)
- 44kHz switching frequency with 77% duty cycle
- Comprehensive fault protection (current limiting, overload, over-temperature)
- Compact SOT-223 surface mount package
- RoHS compliant
Applications: Ideal for AC/DC power supplies, industrial control systems, telecommunications equipment, and consumer electronics requiring reliable isolated power conversion.

NCP1052ST44T3G.pdf