| PartNumber | UCC29421PW | UCC29421NG4 | UCC29421N |
| Description | Switching Controllers High Freq Multimode Sync Controller | Switching Controllers High Freq Multimode Sync Controller | IC REG CTRLR MULT TOPOLOGY 16DIP |
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Category | Switching Controllers | Switching Controllers | PMIC - Voltage Regulators - DC DC Switching Controllers |
| RoHS | Y | Y | - |
| Number of Outputs | 1 Output | 1 Output | 1 |
| Input Voltage | 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 | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Mounting Style | SMD/SMT | Through Hole | - |
| Package / Case | TSSOP-16 | PDIP-16 | - |
| Packaging | Tube | Tube | Tube |
| Series | UCC29421 | UCC29421 | - |
| Type | DC/DC Controller (External Switch) | DC/DC Controller (External Switch) | - |
| Brand | Texas Instruments | Texas Instruments | - |
| Moisture Sensitive | Yes | - | - |
| Product Type | Switching Controllers | Switching Controllers | - |
| Factory Pack Quantity | 90 | 25 | - |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | - |
| Unit Weight | 0.006102 oz | 0.037172 oz | - |
| Package Case | - | - | 16-DIP (0.300", 7.62mm) |
| Operating Temperature | - | - | -40°C ~ 85°C (TA) |
| Output Type | - | - | Transistor Driver |
| Function | - | - | Step-Up, Step-Up/Step-Down |
| Supplier Device Package | - | - | 16-PDIP |
| Topology | - | - | Boost, Flyback, SEPIC |
| Voltage Supply Vcc Vdd | - | - | 1.8 V ~ 8 V |
| Frequency Switching | - | - | 150kHz ~ 1.2MHz |
| Control Features | - | - | Enable, Frequency Control, Low Battery, Reset |
| Output Configuration | - | - | Positive |
| Output Phases | - | - | 1 |
| Duty Cycle Max | - | - | 0.88 |
| Synchronous Rectifier | - | - | Yes |
| Clock Sync | - | - | Yes |
| Serial Interfaces | - | - | - |