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| Part Number | UC1861J | UC1865J | UC1851J |
|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Status | Active | Active | Active |
| Output Type | Transistor Driver | Transistor Driver | - |
| Function | Step-Up, Step-Up/Step-Down | Step-Up, Step-Up/Step-Down | - |
| Output Configuration | Positive | Positive | - |
| Topology | Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull | Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull | - |
| Number of Outputs | 2 | 2 | - |
| Output Phases | 1 | 1 | - |
| Voltage - Supply (Vcc/Vdd) | 22V | 22V | - |
| Frequency - Switching | 50kHz ~ 500kHz | 50kHz ~ 500kHz | - |
| Duty Cycle (Max) | 50% | - | - |
| Synchronous Rectifier | No | No | - |
| Clock Sync | No | No | - |
| Serial Interfaces | - | - | - |
| Control Features | Soft Start | Soft Start | - |
| Operating Temperature | -55°C ~ 125°C (TA) | -55°C ~ 125°C (TA) | - |
| Mounting Type | Through Hole | Through Hole | - |
| Package / Case | 16-CDIP (0.300", 7.62mm) | 16-CDIP (0.300", 7.62mm) | - |
| Supplier Device Package | 16-CDIP | 16-CDIP | - |
