| PartNumber | UCC28C40DGK | UCC28C40DG4 | UCC28C40DGKG4 |
| Description | Switching Controllers BiCMOS Low-Power Current Mode | Switching Controllers BiCMOS Low-Power Current Mode | |
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Category | Switching Controllers | Switching Controllers | IC Chips |
| RoHS | Y | Y | - |
| Topology | Boost, Flyback, Forward | Boost, Flyback, Forward | Boost, Flyback, Forward Converter |
| Number of Outputs | 1 Output | 1 Output | 1 |
| Switching Frequency | 1000 kHz | 1000 kHz | - |
| Duty Cycle Max | 100 % | 100 % | - |
| Output Voltage | 18 V | 18 V | - |
| Output Current | 1 A | 1 A | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 105 C | + 105 C | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | VSSOP-8 | SOIC-8 | - |
| Packaging | Tube | Tube | Tube Alternate Packaging |
| Operating Temperature Range | - 40 C to + 105 C | - 40 C to + 105 C | - |
| Series | UCC28C40 | UCC28C40 | - |
| Type | Current Mode PWM Controllers | Current Mode PWM Controllers | - |
| Brand | Texas Instruments | Texas Instruments | - |
| Fall Time | 20 ns | 20 ns | - |
| Moisture Sensitive | Yes | - | - |
| Product Type | Switching Controllers | Switching Controllers | - |
| Rise Time | 25 ns | 25 ns | - |
| Factory Pack Quantity | 80 | 75 | - |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | - |
| Unit Weight | 0.000917 oz | 0.002561 oz | - |
| Package Case | - | - | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) |
| Operating Temperature | - | - | -40°C ~ 105°C (TJ) |
| Output Type | - | - | Transistor Driver |
| Function | - | - | Step-Up, Step-Up/Step-Down |
| Supplier Device Package | - | - | 8-VSSOP |
| Voltage Supply Vcc Vdd | - | - | 6.6 V ~ 18 V |
| Frequency Switching | - | - | - |
| Control Features | - | - | Frequency Control |
| Output Configuration | - | - | Positive |
| Output Phases | - | - | 1 |
| Duty Cycle Max | - | - | 0.96 |
| Synchronous Rectifier | - | - | No |
| Clock Sync | - | - | No |
| Serial Interfaces | - | - | - |