Power Integrations TOP249YN Microcontrollers
TO-220 Flyback DC/DC Controller, 8.64A, 140kHz, 265V AC

Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
TOP249YN
Series
Detailed Description
TO-220 Flyback DC/DC Controller, 8.64A, 140kHz, 265V AC
Lifecycle Status
Active
Datasheet
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Alternate Parts Comparison (TOP249YN vs TOP254PN vs TOP259EG vs TOP257GN)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Mounting Type | -- | Through Hole | Through Hole | Surface Mount |
| Operating Temperature | -- | -40 °C ~ 150 °C | -40 °C ~ 150 °C | -40 °C ~ 150 °C |
| Auto Restart and Overvoltage Response | -- | Auto-restart | Auto-restart | Auto-restart |
| Auto Restart Threshold | -- | 5.8 | 5.8 | 5.8 |
| Availability | -- | 预售 | 现货 | 现货 |
| Breakdown Voltage | -- | 700 V | 700 V | 700 V |
| Control Features | -- | Selectable Current Limit, Frequency Jittering, Soft Start, Auto-Restart/Latching Fault Response, On/Off Control | Selectable Current Limit, Frequency Jittering, Soft Start, Auto-Restart/Latching Fault Response, On/Off Control | Selectable Current Limit, Frequency Jittering, Soft Start, Auto-Restart/Latching Fault Response, On/Off Control |
| Control Scheme | -- | Secondary-side | Secondary-side | Secondary-side |
| Internal Switch | -- | Yes | Yes | Yes |
| Max Input Voltage | -- | 265 V | 265 V | 265 V |
| Min Input Voltage | -- | 85 V | 85 V | 85 V |
| Output Power Max Enclosed 230v | -- | 16.0 W | 128.0 W | 25.0 W |
| Action |
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