| PartNumber | UC2851N | UC2851DW | UC2851DWG4 |
| Description | AC/DC Converters Prog Off-Line PWM Controller | AC/DC Converters Prog Off-Line PWM Controller | AC/DC Converters Prog Off-Line PWM Controlle |
| Manufacturer | Texas Instruments | Texas Instruments | - |
| Product Category | AC/DC Converters | AC/DC Converters | - |
| RoHS | Y | Y | - |
| Mounting Style | Through Hole | SMD/SMT | - |
| Package / Case | PDIP-18 | SOIC-18 | - |
| Output Voltage | 40 V | 40 V | - |
| Output Power | 1 W | 1 W | - |
| Input / Supply Voltage Min | 8 V | 8 V | - |
| Input / Supply Voltage Max | 30 V | 30 V | - |
| Topology | Boost, Buck, Flyback, Forward | Boost, Buck, Flyback, Forward | - |
| Switching Frequency | 50 kHz to 500 kHz | 50 kHz to 500 kHz | - |
| Duty Cycle Max | 46 % | 46 % | - |
| Operating Supply Current | 15 mA | 15 mA | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Output Current | 500 mA | 500 mA | - |
| Series | UC2851 | UC2851 | - |
| Packaging | Tube | Tube | - |
| Isolation | Non-Isolated | Non-Isolated | - |
| Number of Outputs | 1 Output | 1 Output | - |
| Operating Temperature Range | - 40 C to + 85 C | - 40 C to + 85 C | - |
| Type | Current Mode | Current Mode | - |
| Brand | Texas Instruments | Texas Instruments | - |
| Product Type | AC/DC Converters | AC/DC Converters | - |
| Factory Pack Quantity | 20 | 40 | - |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | - |
| Unit Weight | 0.042544 oz | 0.007408 oz | - |
| Moisture Sensitive | - | Yes | - |