
Home / Products / Integrated Circuits (ICs) / PMIC - AC DC Converters, Offline Switchers / TOP249FN

| Part Number | TOP249FN | 
| Datasheet | TOP249FN datasheet | 
| Description | IC OFFLINE SWIT UVLO HV TO262 | 
| Manufacturer | Power Integrations | 
| Series | TOPSwitch®-GX | 
| Part Status | Not For New Designs | 
| Output Isolation | Isolated | 
| Internal Switch(s) | Yes | 
| Voltage - Breakdown | 700V | 
| Topology | Flyback | 
| Voltage - Start Up | - | 
| Voltage - Supply (Vcc/Vdd) | - | 
| Duty Cycle | 66.8% | 
| Frequency - Switching | 66kHz ~ 132kHz | 
| Power (Watts) | 250W | 
| Fault Protection | Current Limiting, Over Temperature, Over Voltage | 
| Control Features | Frequency Control | 
| Operating Temperature | -40°C ~ 150°C (TJ) | 
| Package / Case | TO-262-7 (Formed Leads), 6 Leads | 
| Supplier Device Package | TO-262-7C | 
| Mounting Type | Through Hole |