| PartNumber | UCC39421PWTR | UCC39421PW | UCC39421PWG4 |
| Description | Switching Controllers Hi Freq Multimode Synch Cntrlr | Switching Controllers Hi Freq Multimode Synch Cntrlr | Switching Controllers Hi Freq Multimode Synch Cntrlr |
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Category | Switching Controllers | Switching Controllers | Switching Controllers |
| RoHS | Y | Y | Y |
| Number of Outputs | 1 Output | 1 Output | 1 Output |
| Input Voltage | 1.8 V to 8 V | 1.8 V to 8 V | 1.8 V to 8 V |
| Output Voltage | 2.5 V to 8 V | 2.5 V to 8 V | 2.5 V to 8 V |
| Minimum Operating Temperature | 0 C | 0 C | 0 C |
| Maximum Operating Temperature | + 70 C | + 70 C | + 70 C |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | TSSOP-16 | TSSOP-16 | TSSOP-16 |
| Packaging | Reel | Tube | Tube |
| Series | UCC39421 | UCC39421 | UCC39421 |
| Type | PWM DC to DC Controller | PWM DC to DC Controller | PWM DC to DC Controller |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments |
| Moisture Sensitive | Yes | Yes | Yes |
| Product Type | Switching Controllers | Switching Controllers | Switching Controllers |
| Factory Pack Quantity | 2000 | 90 | 90 |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | PMIC - Power Management ICs |
| Unit Weight | 0.006102 oz | 0.006102 oz | 0.006102 oz |