| PartNumber | UCC28C44P | UCC28C44DRG4 | UCC28C44PG4 |
| Description | Switching Controllers BiCMOS Low-Power Current Mode | 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 | PMIC - AC DC Converters, Offline Switchers |
| RoHS | Y | Y | - |
| Topology | Boost, Flyback, Forward | Boost, Flyback, Forward | Forward |
| Number of Outputs | 1 Output | 1 Output | - |
| Switching Frequency | 1000 kHz | 1000 kHz | - |
| Duty Cycle Max | 50 % | 50 % | - |
| 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 | Through Hole | SMD/SMT | - |
| Package / Case | PDIP-8 | SOIC-8 | - |
| Packaging | Tube | Reel | Tube Alternate Packaging |
| Operating Temperature Range | - 40 C to + 105 C | - 40 C to + 105 C | - |
| Series | UCC28C44 | UCC28C44 | - |
| Type | Current Mode PWM Controllers | Current Mode PWM Controllers | - |
| Brand | Texas Instruments | Texas Instruments | - |
| Fall Time | 20 ns | 20 ns | - |
| Product Type | Switching Controllers | Switching Controllers | - |
| Rise Time | 25 ns | 25 ns | - |
| Factory Pack Quantity | 50 | 2500 | - |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | - |
| Unit Weight | 0.018455 oz | 0.002561 oz | - |
| Moisture Sensitive | - | Yes | - |
| Package Case | - | - | 8-DIP (0.300", 7.62mm) |
| Operating Temperature | - | - | -40°C ~ 105°C (TA) |
| Mounting Type | - | - | Through Hole |
| Supplier Device Package | - | - | 8-PDIP |
| Power Watts | - | - | - |
| Output Isolation | - | - | Isolated |
| Internal Switch s | - | - | No |
| Voltage Breakdown | - | - | - |
| Voltage Start Up | - | - | 14.5V |
| Voltage Supply Vcc Vdd | - | - | 9 V ~ 18 V |
| Duty Cycle | - | - | 48% |
| Frequency Switching | - | - | Up to 1MHz |
| Fault Protection | - | - | Current Limiting |
| Control Features | - | - | Frequency Control |