| Part Number | UC3867DW | UC3847DW |
|---|---|---|
| Manufacturer | Texas Instruments | Unitrode |
| Category | PMIC - Voltage Regulators - DC DC Switching Controllers | PMIC - Voltage Regulators - DC DC Switching Controllers |
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| Product Status | Active | Active |
| Output Type | Transistor Driver | Transistor Driver |
| Function | Step-Up/Step-Down | Step-Up, Step-Up/Step-Down |
| Output Configuration | Positive | Positive |
| Topology | Full-Bridge, Half-Bridge, Push-Pull | Boost, Flyback, Forward Converter, Half-Bridge, Push-Pull |
| Number of Outputs | 2 | 2 |
| Output Phases | 1 | 1 |
| Voltage - Supply (Vcc/Vdd) | 7V ~ 22V | 6.95V ~ 40V |
| Frequency - Switching | 50kHz ~ 500kHz | 500kHz |
| Duty Cycle (Max) | 100% | 50% |
| Synchronous Rectifier | No | Yes |
| Clock Sync | No | Yes |
| Serial Interfaces | - | - |
| Control Features | Soft Start | Current Limit, Enable, Frequency Control, Soft Start |
| Operating Temperature | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 16-SOIC (0.295", 7.50mm Width) | 16-SOIC (0.295", 7.50mm Width) |
| Supplier Device Package | 16-SOIC | 16-SOIC |