| PartNumber | UCC28521DW | UCC28521DWG4 | UCC28521DWR |
| Description | Power Factor Correction - PFC PWM/PFC Controller w/TEM/TEM Modulation | Power Factor Correction - PFC Adv PWM/PFC Combo Cntrlr | IC PFC/PWM COMB CTRLR 20SOIC |
| Manufacturer | Texas Instruments | Texas Instruments | - |
| Product Category | Power Factor Correction - PFC | Power Factor Correction - PFC | - |
| RoHS | Y | Y | - |
| Switching Frequency | 500 kHz | 500 kHz | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | SOIC-20 | SOIC-20 | - |
| Packaging | Tube | Tube | - |
| Features | 750W Applications, Average Current Mode, Enable | 750W Applications, Average Current Mode, Enable | - |
| Height | 2.35 mm | 2.35 mm | - |
| Length | 12.8 mm | 12.8 mm | - |
| Operating Temperature Range | - 40 C to + 85 C | - 40 C to + 85 C | - |
| Series | UCC28521 | UCC28521 | - |
| Type | Power Factor Correction IC | Power Factor Correction and PWM Controller | - |
| Width | 7.52 mm | 7.52 mm | - |
| Brand | Texas Instruments | Texas Instruments | - |
| Development Kit | UCC28521EVM | UCC28521EVM | - |
| Product Type | PFC - Power Factor Correction | PFC - Power Factor Correction | - |
| Factory Pack Quantity | 25 | 25 | - |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | - |
| Unit Weight | 0.017662 oz | 0.017662 oz | - |