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| PartNumber | UC3861DW | UC3861DWG4 | UC3861DWTR |
| Description | Switching Controllers Resonant-Mode | Switching Controllers Resonant-Mode | Switching Controllers Resonant-Mode |
| Manufacturer | Texas Instruments | Texas Instruments | - |
| Product Category | Switching Controllers | Switching Controllers | - |
| RoHS | Y | Y | - |
| Topology | Full-Bridge, Half-Bridge, Push-Pull | Full-Bridge, Half-Bridge, Push-Pull | - |
| Number of Outputs | 2 Output | 2 Output | - |
| Switching Frequency | 1 MHz | 450 kHz | - |
| Duty Cycle Max | 50 % | 50 % | - |
| Input Voltage | - 400 mV to + 7 V | - | - |
| Output Voltage | 5 V | - | - |
| Output Current | 1 A | 1 A | - |
| Minimum Operating Temperature | 0 C | 0 C | - |
| Maximum Operating Temperature | + 70 C | + 70 C | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | SOIC-16 | SOIC-16 | - |
| Packaging | Tube | Tube | - |
| Height | 2.35 mm | 2.35 mm | - |
| Length | 10.28 mm | 10.28 mm | - |
| Operating Temperature Range | 0 C to + 70 C | 0 C to + 70 C | - |
| Product | Switching Controllers | - | - |
| Series | UC3861 | UC3861 | - |
| Type | Voltage Mode PWM Controllers | Voltage Mode PWM Controllers | - |
| Brand | Texas Instruments | Texas Instruments | - |
| Fall Time | 25 ns | 25 ns | - |
| Moisture Sensitive | Yes | Yes | - |
| Operating Supply Current | 25 mA | - | - |
| Operating Supply Voltage | 22 V | - | - |
| Product Type | Switching Controllers | Switching Controllers | - |
| Rise Time | 25 ns | 25 ns | - |
| Factory Pack Quantity | 40 | 40 | - |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | - |
| Unit Weight | 0.016709 oz | 0.016709 oz | - |