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| Part Number | UC3879N | UC3877N | UC3879J |
|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Unitrode |
| Product Status | Active | Active | Active |
| Output Type | Transistor Driver | - | - |
| Function | Step-Up/Step-Down | - | - |
| Output Configuration | Positive | - | - |
| Topology | Half-Bridge | - | - |
| Number of Outputs | 4 | - | - |
| Output Phases | 1 | - | - |
| Voltage - Supply (Vcc/Vdd) | 9V ~ 20V | - | - |
| Frequency - Switching | Up to 300kHz | - | - |
| Duty Cycle (Max) | 50% | - | - |
| Synchronous Rectifier | Yes | - | - |
| Clock Sync | Yes | - | - |
| Serial Interfaces | - | - | - |
| Control Features | Frequency Control, Ramp, Soft Start | - | - |
| Operating Temperature | 0°C ~ 70°C (TA) | - | - |
| Mounting Type | Through Hole | - | - |
| Package / Case | 20-DIP (0.300", 7.62mm) | - | - |
| Supplier Device Package | 20-PDIP | - | - |
