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Image shown is a representation only. Exact specifications should be obtained from the product data sheet.
TOP257GN
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | Dhs. 355,911.72 AED | Dhs. 355,911.72 AED |
| 15+ | Dhs. 344,672.41 AED | Dhs. 5,170,086.15 AED |
| 25+ | Dhs. 337,179.53 AED | Dhs. 8,429,488.25 AED |
| 50+ | Dhs. 318,447.33 AED | Dhs. 15,922,366.50 AED |
| 100+ | Dhs. 280,982.94 AED | Dhs. 28,098,294.00 AED |
| N+ | Dhs. 56,196.59 AED | Price Inquiry |
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TOP257GN - TOPSwitch-HX Offline Switching IC
The TOP257GN from Power Integrations is a high-performance offline switching IC from the TOPSwitch-HX series, designed for isolated flyback AC/DC power supply applications up to 41W. This integrated switcher combines a 700V power MOSFET with advanced control circuitry, delivering exceptional efficiency and reliability in a compact SMD-8C surface mount package.
Key Features & Benefits
- High Integration: Internal 700V power MOSFET eliminates external switching components
- Robust Protection: Built-in current limiting, over-temperature, and over-voltage fault protection
- Efficient Operation: 66kHz switching frequency with 78% duty cycle for optimized performance
- Wide Temperature Range: Operates reliably from -40°C to 150°C (TJ)
- Space-Saving Design: Compact SMD-8C surface mount package reduces PCB footprint
- Isolated Topology: Flyback configuration provides output isolation for safety compliance
Typical Applications
- AC/DC adapters and chargers
- Auxiliary power supplies
- Industrial control systems
- Consumer electronics power supplies
- LED lighting drivers
- Home appliances
Why Choose TOP257GN?
The TOP257GN offers designers a proven, cost-effective solution for isolated AC/DC power supplies. Its integrated design reduces component count, simplifies PCB layout, and improves overall system reliability. With comprehensive fault protection and wide operating temperature range, this IC is ideal for demanding industrial and consumer applications where performance and safety are critical.
RoHS Compliant - Environmentally friendly and meets international standards for hazardous substance restrictions.
| Product attributes | Property Value |
| Manufacturer | Power Integrations |
| Product Series | TOPSwitch®-HX |
| Packaging | | |
| Output Isolation | Isolated |
| Internal Switch(s) | Yes |
| Voltage - Breakdown | 700V |
| Topology | Flyback |
| Voltage - Start Up | - |
| Voltage - Supply (Vcc/Vdd) | - |
| Duty Cycle | 78% |
| Frequency - Switching | 66kHz |
| Power (Watts) | 41 W |
| Fault Protection | Current Limiting, Over Temperature, Over Voltage |
| Control Features | - |
| Operating Temperature | -40°C ~ 150°C (TJ) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 8-SMD (7 Leads), Gull Wing |
| Supplier Device Package | SMD-8C |
| ROHS |  |
TOP257GN.pdf