TOP257LN
IC OFFLINE SWITCH FLYBACK 7FESIPManufacturer: Power Integrations
Categories: AC DC Converters, Offline Switches
Quality Control: Learn More
Power Integrations TOPSwitch®-HX TOP257LN, a high-performance offline flyback converter IC, is designed for demanding power supply applications. This component features an integrated 700V switching element and operates at selectable frequencies of 66kHz or 132kHz, offering flexibility for optimal efficiency and component sizing. The TOP257LN provides robust fault protection including current limiting, over-temperature, and over-voltage protection, ensuring system reliability. Its eSIP-7F package facilitates efficient thermal management and simplifies board layout. With a maximum output power of 105W and isolated output, this device is well-suited for use in consumer electronics, industrial controls, and adapter power supplies. The TOPSwitch®-HX series delivers superior performance and energy efficiency demanded by modern power conversion designs.
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) | 105 W |
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