| Part Number | UCC3921DTR | UCC2921DTR | 
|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | 
| Category | PMIC - Hot Swap Controllers | PMIC - Hot Swap Controllers | 
|   |   | |
| Product Status | Active | Active | 
| Type | Hot Swap Controller | Hot Swap Controller | 
| Number of Channels | 1 | 1 | 
| Internal Switch(s) | No | No | 
| Applications | General Purpose | General Purpose | 
| Features | UVLO | UVLO | 
| Programmable Features | Auto Retry, Circuit Breaker, Current Limit, Fault Timeout, Latched Fault | Auto Retry, Circuit Breaker, Current Limit, Fault Timeout, Latched Fault | 
| Voltage - Supply | -48V | -48V | 
| Current - Output (Max) | - | - | 
| Operating Temperature | 0°C ~ 70°C | -40°C ~ 85°C | 
| Current - Supply | 1 mA | 1 mA | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) | 
| Supplier Device Package | 8-SOIC | 8-SOIC |