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| Part Number | FSFR1900 | FSFR1600 | FSFR1800 |
|---|---|---|---|
| Manufacturer | Fairchild Semiconductor | Fairchild Semiconductor | onsemi |
| Product Status | Obsolete | Obsolete | Obsolete |
| Output Isolation | Isolated | Isolated | Isolated |
| Internal Switch(s) | Yes | Yes | Yes |
| Voltage - Breakdown | 500V | 500V | 500V |
| Topology | Half-Bridge | Half-Bridge | Half-Bridge |
| Voltage - Start Up | 14.5 V | 14.5 V | 14.5 V |
| Voltage - Supply (Vcc/Vdd) | 11.3V ~ 25V | 11.3V ~ 25V | 11.3V ~ 25V |
| Duty Cycle | 50% | 50% | 50% |
| Frequency - Switching | Up to 300kHz | Up to 300kHz | Up to 300kHz |
| Power (Watts) | 300 W | 160 W | 260 W |
| Fault Protection | Current Limiting, Over Load, Over Temperature, Over Voltage | Current Limiting, Over Load, Over Temperature, Over Voltage | Current Limiting, Over Load, Over Temperature, Over Voltage |
| Control Features | EN, Frequency Control | EN, Frequency Control | EN, Frequency Control |
| Operating Temperature | -40°C ~ 130°C (TJ) | -40°C ~ 130°C (TJ) | -40°C ~ 130°C (TJ) |
| Package / Case | 10-SSIP Module, 9 Leads, Formed Leads | 10-SSIP Module, 9 Leads, Formed Leads | 10-SIP Module, 9 Leads, Formed Leads |
| Supplier Device Package | 9-SIP | 9-SIP | 9-SIP |
| Mounting Type | Through Hole | Through Hole | Through Hole |
