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| Part Number | TOP256PN | 
| Datasheet | TOP256PN datasheet | 
| Description | IC OFFLINE SWIT PROG OVP 8DIP | 
| Manufacturer | Power Integrations | 
| Series | TOPSwitch®-HX | 
| Part Status | Active | 
| 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) | 34W | 
| Fault Protection | Current Limiting, Over Temperature, Over Voltage | 
| Control Features | - | 
| Operating Temperature | -40°C ~ 150°C (TJ) | 
| Package / Case | 8-DIP (0.300", 7.62mm), 7 Leads | 
| Supplier Device Package | DIP-8C | 
| Mounting Type | Through Hole |