Power Integrations TOP257PG
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | Dhs. 4.98 | Dhs. 4.98 |
| 15+ | Dhs. 4.82 | Dhs. 72.30 |
| 25+ | Dhs. 4.72 | Dhs. 118.00 |
| 50+ | Dhs. 4.45 | Dhs. 222.50 |
| 100+ | Dhs. 3.93 | Dhs. 393.00 |
| N+ | Dhs. 0.79 | Price Inquiry |
Request Quote / Inquiry
TOP257PG - TOPSwitch-HX Offline Switcher IC
The TOP257PG is a high-performance offline switcher IC from Power Integrations' TOPSwitch®-HX family, designed for isolated flyback power supply applications up to 41W. This integrated solution combines a 700V power MOSFET with advanced control circuitry, delivering reliable AC-DC conversion with comprehensive fault protection.
Key Features
- High Voltage Capability: 700V breakdown voltage for universal input applications
- 41W Power Output: Suitable for medium-power offline converters
- Integrated Protection: Current limiting, over-temperature, and over-voltage protection
- Efficient Switching: 66kHz switching frequency with 78% duty cycle
- Isolated Topology: Flyback configuration for safe output isolation
- Wide Operating Range: -40°C to 150°C junction temperature
- Through-Hole Package: 8-DIP format for easy prototyping and manufacturing
Applications
- AC-DC power adapters and chargers
- Industrial control power supplies
- Auxiliary power supplies
- Consumer electronics
- LED lighting drivers
- Home appliances
Quality & Compliance
This product is RoHS compliant and sourced directly from authorized Power Integrations distribution channels, ensuring full traceability and authenticity. All components come with manufacturer documentation and meet international quality standards for aerospace, industrial, automotive, medical, and telecommunications applications.
Why Choose This IC?
The TOP257PG offers designers a proven, cost-effective solution for offline power conversion with minimal external components. Its integrated protection features reduce design complexity while ensuring reliable operation across demanding environmental conditions. Backed by Power Integrations' reputation for quality and long product lifecycles, this IC is ideal for applications requiring sustained availability and regulatory compliance.
| Product attributes | Property Value |
| Manufacturer | Power Integrations |
| Product Series | TOPSwitch®-HX |
| Packaging | Tube | |
| 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 | Through Hole |
| Package / Case | 8-DIP (0.300", 7.62mm), 7 Leads |
| Supplier Device Package | 8-PDIP-C |
| ROHS |

TOP257PG.pdf