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| Part Number | NCP1249CD65R2G | NCP1249DD65R2G | NCP1239CD65R2G | NCP1249AD65R2G | NCP1249BD65R2G |
|---|---|---|---|---|---|
| Manufacturer | onsemi | onsemi | onsemi | onsemi | onsemi |
| Product Status | Obsolete | Obsolete | Active | Obsolete | Obsolete |
| Output Isolation | Isolated | Isolated | Isolated | Isolated | Isolated |
| Internal Switch(s) | No | No | No | No | No |
| Voltage - Breakdown | - | - | - | - | - |
| Topology | Flyback | Flyback | Flyback | Flyback | Flyback |
| Voltage - Start Up | 18 V | 18 V | 12 V | 18 V | 18 V |
| Voltage - Supply (Vcc/Vdd) | 10V ~ 30V | 10V ~ 30V | 8.8V ~ 35V | 10V ~ 30V | 10V ~ 30V |
| Duty Cycle | 80% | 80% | 80% | 80% | 80% |
| Frequency - Switching | 65kHz | 65kHz | 65kHz | 65kHz | 65kHz |
| Power (Watts) | - | - | - | - | - |
| Fault Protection | Over Load, Over Power, Over Temperature, Over Voltage, Short Circuit | Over Load, Over Power, Over Temperature, Over Voltage, Short Circuit | Current Limiting, Over Load, Over Temperature, Over Voltage | Over Load, Over Power, Over Temperature, Over Voltage, Short Circuit | Over Load, Over Power, Over Temperature, Over Voltage, Short Circuit |
| Control Features | - | - | - | - | - |
| Operating Temperature | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) |
| Package / Case | 10-SOP (0.154", 3.90mm Width), 9 Leads | 10-SOP (0.154", 3.90mm Width), 9 Leads | 8-SOIC (0.154", 3.90mm Width), 7 Leads | 10-SOP (0.154", 3.90mm Width), 9 Leads | 10-SOP (0.154", 3.90mm Width), 9 Leads |
| Supplier Device Package | 9-SOIC | 9-SOIC | 7-SOIC | 9-SOIC | 9-SOIC |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
