TOP255LN
IC OFFLINE SWITCH FLYBACK 7FESIPManufacturer: Power Integrations
Categories: AC DC Converters, Offline Switches
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Power Integrations TOPSwitch®-HX series TOP255LN is an offline flyback converter IC featuring integrated 700V switching capability. This device operates at selectable frequencies of 66kHz or 132kHz, offering flexibility in design for power optimization. It supports a maximum output power of 81W and provides robust fault protection including current limiting, over-temperature, and over-voltage shutdowns. The TOP255LN is housed in an eSIP-7F package, a 7-lead SSIP with formed leads and an exposed pad for enhanced thermal management, suitable for through-hole mounting. Its isolated output topology is ideal for applications in consumer electronics, industrial power supplies, and lighting control systems. Operating across a junction temperature range of -40°C to 150°C, this component ensures reliable performance in demanding environments.
Additional Information
Series: TOPSwitch®-HXRoHS Status: RoHS CompliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: TubeDownload Free CAD Model:
Technical Details:
| Packaging | Tube |
| Package / Case | 7-SSIP, 6 Leads, Exposed Pad, Formed Leads |
| Mounting Type | Through Hole |
| Operating Temperature | -40°C ~ 150°C (TJ) |
| Duty Cycle | 78% |
| Frequency - Switching | 66kHz, 132kHz |
| Internal Switch(s) | Yes |
| Voltage - Breakdown | 700V |
| Output Isolation | Isolated |
| Topology | Flyback |
| Voltage - Supply (Vcc/Vdd) | - |
| Supplier Device Package | eSIP-7F |
| Fault Protection | Current Limiting, Over Temperature, Over Voltage |
| Control Features | - |
| Power (Watts) | 81 W |
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