Power Integrations TOP254PN
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.33 | $1.33 |
| 15+ | $1.29 | $19.35 |
| 25+ | $1.26 | $31.50 |
| 50+ | $1.19 | $59.50 |
| 100+ | $1.05 | $105.00 |
| N+ | $0.21 | Price Inquiry |
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| 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) | 28 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 |  |
The TOP254PN from Power Integrations is a Flyback offline switcher in the TOPSwitch®-HX series with an integrated power MOSFET. It offers a 700V breakdown rating, 28 W output power, 66kHz switching frequency, and 78% maximum duty cycle in an 8-DIP package. Galvanically isolated output, current limiting, over temperature, and over voltage protection make it a compact solution for offline AC-DC designs.
- Integrated 700V MOSFET reduces external component count and simplifies isolated Flyback design.
- 28 W output at 66kHz supports compact offline power supplies.
- Built-in current limiting, over temperature, and over voltage protection improve reliability.
- Wide -40°C to 150°C junction temperature range suits demanding environments.
- 8-DIP package enables easy through-hole assembly.
Compact Offline Power Supplies
The TOP254PN integrates a 700V MOSFET with Flyback control in an 8-DIP package, making it ideal for compact isolated AC-DC supplies up to 28 W. The integrated switch reduces BOM count and board space.
Consumer Electronics Adapters
With 66kHz switching and 78% maximum duty cycle, this device suits wall adapters and chargers requiring galvanic isolation. Built-in current limiting and over temperature protection support reliable operation.
Industrial Auxiliary Supplies
The -40°C to 150°C junction temperature range supports auxiliary bias supplies in industrial equipment where isolated rails are needed.
Standby and Housekeeping Power
Flyback topology with integrated switch enables simple isolated housekeeping supplies for larger systems, with over voltage protection safeguarding downstream circuitry.
- Q: What topology does the TOP254PN 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, simplifying design and reducing external component count.
- Q: What is the breakdown voltage?
- A: The device has a 700V Vds rating, suitable for offline AC-DC conversion.
- Q: What power level does it support?
- A: It delivers up to 28 W at a 66kHz switching frequency with 78% maximum duty cycle.
- Q: What protections are included?
- A: Current limiting, over temperature, and over voltage protection are built in.
TOP254PN.pdf
- Q: What topology does the TOP254PN 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, simplifying design and reducing external component count.
- Q: What is the breakdown voltage?
- A: The device has a 700V Vds rating, suitable for offline AC-DC conversion.
- Q: What power level does it support?
- A: It delivers up to 28 W at a 66kHz switching frequency with 78% maximum duty cycle.
- Q: What protections are included?
- A: Current limiting, over temperature, and over voltage protection are built in.
