| Part Number | UCC28951PWR | UCC2891PWR |
|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments |
| Category | PMIC - Voltage Regulators - DC DC Switching Controllers | PMIC - Voltage Regulators - DC DC Switching Controllers |
|
|
|
| Product Status | Active | Active |
| Output Type | Transistor Driver | Transistor Driver |
| Function | - | Step-Up/Step-Down |
| Output Configuration | Positive | Positive, Isolation Capable |
| Topology | Full-Bridge | Flyback, Forward Converter |
| Number of Outputs | 6 | 1 |
| Output Phases | 1 | 1 |
| Voltage - Supply (Vcc/Vdd) | 8V ~ 17V | 8.5V ~ 16V |
| Frequency - Switching | Up to 1MHz | 250kHz |
| Duty Cycle (Max) | 95% | 70% |
| Synchronous Rectifier | Yes | No |
| Clock Sync | Yes | Yes |
| Serial Interfaces | - | - |
| Control Features | Enable, Frequency Control, Soft Start | Current Limit, Enable, On Time Control, Ramp, Soft Start |
| Operating Temperature | -40°C ~ 125°C (TJ) | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 24-TSSOP (0.173", 4.40mm Width) | 16-TSSOP (0.173", 4.40mm Width) |
| Supplier Device Package | 24-TSSOP | 16-TSSOP |