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| Part Number | UC2573DG4 | UC2573NG4 | UC2572DG4 |
|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Status | Discontinued at Digi-Key | Obsolete | Discontinued at Digi-Key |
| Output Type | Transistor Driver | Transistor Driver | Transistor Driver |
| Function | Step-Down | Step-Down | Step-Up/Step-Down |
| Output Configuration | Positive | Positive | Negative |
| Topology | Buck | Buck | Flyback |
| Number of Outputs | 1 | 1 | 1 |
| Output Phases | 1 | 1 | 1 |
| Voltage - Supply (Vcc/Vdd) | 4.75V ~ 30V | 4.75V ~ 30V | 4.75V ~ 30V |
| Frequency - Switching | 100kHz | 100kHz | 100kHz |
| Duty Cycle (Max) | 92% | 92% | 92% |
| Synchronous Rectifier | No | No | No |
| Clock Sync | No | No | No |
| Serial Interfaces | - | - | - |
| Control Features | Current Limit, Ramp | Current Limit, Ramp | Current Limit, Ramp |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Through Hole | Surface Mount |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | 8-DIP (0.300", 7.62mm) | 8-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 8-SOIC | 8-PDIP | 8-SOIC |
