| Part Number | UCC2961N | UCC2961D | 
|---|---|---|
| Manufacturer | Unitrode | Texas Instruments | 
| Category | PMIC - Voltage Regulators - DC DC Switching Controllers | PMIC - Voltage Regulators - DC DC Switching Controllers | 
| 
                             | 
                                                        
                             | 
                                                    |
| Product Status | Obsolete | Active | 
| Output Type | Transistor Driver | Transistor Driver | 
| Function | Step-Up/Step-Down | Step-Up/Step-Down | 
| Output Configuration | Positive, Isolation Capable | Positive, Isolation Capable | 
| Topology | Forward Converter | Forward Converter | 
| Number of Outputs | 1 | 1 | 
| Output Phases | 1 | 1 | 
| Voltage - Supply (Vcc/Vdd) | 8V ~ 19V | 8V ~ 19V | 
| Frequency - Switching | 400kHz | 400kHz | 
| Duty Cycle (Max) | 72% | 72% | 
| Synchronous Rectifier | Yes | Yes | 
| Clock Sync | No | No | 
| Serial Interfaces | - | - | 
| Control Features | Enable, Frequency Control, Soft Start | Enable, Frequency Control, Soft Start | 
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | 
| Mounting Type | Through Hole | Surface Mount | 
| Package / Case | 14-DIP (0.300", 7.62mm) | 14-SOIC (0.154", 3.90mm Width) | 
| Supplier Device Package | 14-PDIP | 14-SOIC |