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| Part Number | LTC4281IUFD#PBF | LTC4261IUFD#PBF | LTC4280IUFD#PBF | LTC4281CUFD#PBF |
|---|---|---|---|---|
| Manufacturer | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. |
| Product Status | Active | Active | Active | Active |
| Type | Hot Swap Controller | Hot Swap Controller, Monitor | Hot Swap Controller, Monitor | Hot Swap Controller |
| Number of Channels | 1 | 1 | 1 | 1 |
| Internal Switch(s) | No | No | No | No |
| Applications | General Purpose | -48V | General Purpose | General Purpose |
| Features | OVP, UVLO | I²C | I²C | OVP, UVLO |
| Programmable Features | Current Limit | Auto Retry, Current Limit, Fault Timeout, Latched Fault, OVP, UVLO | Auto Retry, Current Limit, Fault Timeout, Latched Fault, OVP, UVLO | Current Limit |
| Voltage - Supply | 2.9V ~ 33V | -48V | 2.9V ~ 15V | 2.9V ~ 33V |
| Current - Output (Max) | - | - | - | - |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | 0°C ~ 70°C |
| Current - Supply | 3.5 mA | 2 mA | 3 mA | 3.5 mA |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 28-WFQFN Exposed Pad | 24-WFQFN Exposed Pad | 24-WFQFN Exposed Pad | 28-WFQFN Exposed Pad |
| Supplier Device Package | 28-QFN (4x5) | 24-QFN (4x5) | 24-QFN (4x5) | 28-QFN (4x5) |
