Power Integrations TOP261LN
| 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 | 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, 132kHz |
| Power (Watts) | 244 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 | 7-SSIP, 6 Leads, Exposed Pad, Formed Leads |
| Supplier Device Package | eSIP-7F |
| ROHS |  |
TOP261LN - TOPSwitch-HX Offline Switching IC
The TOP261LN from Power Integrations is a high-performance offline switching IC from the TOPSwitch-HX family, designed for isolated flyback topologies delivering up to 244W of power. This integrated solution combines a 700V power MOSFET, oscillator, high-voltage switched current source, current limit, and shutdown circuitry on a single chip.
Key Features & Benefits
- High Power Density: Delivers up to 244W in a compact eSIP-7F through-hole package
- Dual Frequency Operation: 66kHz/132kHz switching frequencies for optimized efficiency and EMI performance
- Comprehensive Protection: Integrated current limiting, over-temperature, and over-voltage protection
- Wide Operating Range: -40°C to 150°C junction temperature for demanding industrial and automotive applications
- High Efficiency: 78% maximum duty cycle enables excellent transformer utilization
- 700V Breakdown Voltage: Suitable for universal AC input applications (85-265VAC)
Target Applications
Ideal for aerospace, automotive, industrial control systems, telecommunications power supplies, LED drivers, and high-reliability AC-DC converters requiring long lifecycle availability and full manufacturer traceability.
Design Support
Backed by comprehensive reference designs, application notes, and technical documentation. Our team provides design-in support to accelerate your time-to-market with proven, reliable power solutions.
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TOP261LN.pdf