Power Integrations TOP254GN-TL
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.38 | $1.38 |
| 15+ | $1.33 | $19.95 |
| 25+ | $1.31 | $32.75 |
| 50+ | $1.23 | $61.50 |
| 100+ | $1.09 | $109.00 |
| N+ | $0.22 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Power Integrations |
| Product Series | TOPSwitch®-HX |
| Packaging | Cut Tape (CT) | Tape & Reel (TR) |
| 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) | 28 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 |
The TOP254GN-TL from Power Integrations is a flyback offline switcher in the TOPSwitch®-HX series, delivering up to 28 W with a 700V integrated switch. It provides galvanically isolated output, 66kHz switching, and 78% maximum duty cycle in an 8-SMD gull-wing package. Current limiting, over temperature, and over voltage protection ensure reliable operation across -40°C to 150°C junction temperatures.
- Integrated 700V switch simplifies isolated flyback design and reduces component count.
- 28 W output at 66kHz supports compact, efficient power supplies.
- 78% max duty cycle enables flexible transformer design.
- Fault protection (current limiting, OTP, OVP) improves reliability.
- Wide -40°C to 150°C junction temperature range for demanding environments.
Compact Isolated Adapters
The integrated 700V switch and 28 W capability make the TOP254GN-TL well suited for compact isolated flyback adapters and chargers.
Appliance Bias Supplies
With 78% duty cycle and 66kHz switching, this device supports efficient isolated bias and auxiliary supplies in appliances.
Industrial Auxiliary Power
Operating from -40°C to 150°C junction temperature, it handles demanding thermal conditions in isolated control supplies.
Consumer Electronics
The TOPSwitch®-HX series design with integrated switch simplifies isolated flyback power for set-top boxes and small electronics.
- Q: What topology does the TOP254GN-TL use?
- A: It is a flyback offline switcher with galvanically isolated output, part of the TOPSwitch®-HX series.
- Q: Does it have an integrated switch?
- A: Yes, the power MOSFET is integrated on-chip.
- Q: What is the breakdown voltage?
- A: 700V Vds rating for universal offline input.
- Q: What power does it deliver?
- A: Up to 28 W at 66kHz switching frequency with 78% max duty cycle.
- Q: What protections are included?
- A: Current limiting, over temperature, and over voltage protection.
- Q: What topology does the TOP254GN-TL use?
- A: It is a flyback offline switcher with galvanically isolated output, part of the TOPSwitch®-HX series.
- Q: Does it have an integrated switch?
- A: Yes, the power MOSFET is integrated on-chip.
- Q: What is the breakdown voltage?
- A: 700V Vds rating for universal offline input.
- Q: What power does it deliver?
- A: Up to 28 W at 66kHz switching frequency with 78% max duty cycle.
- Q: What protections are included?
- A: Current limiting, over temperature, and over voltage protection.

TOP254GN-TL.pdf