Datasheet Linear Technology LTC4281
| Manufacturer | Linear Technology |
| Series | LTC4281 |
Hot Swap Controller with I2C Compatible Monitoring
Datasheets
LTC4281 - Hot Swap Controller with I2C Compatible Monitoring
PDF, 903 Kb, File uploaded: Oct 25, 2017
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Prices
Packaging
| LTC4281CUFD#PBF | LTC4281CUFD#TRPBF | LTC4281IUFD#PBF | LTC4281IUFD#TRPBF | |
|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 |
| Package | 4x5 QFN-28 Package Outline Drawing | 4x5 QFN-28 Package Outline Drawing | 4x5 QFN-28 Package Outline Drawing | 4x5 QFN-28 Package Outline Drawing |
| Package Code | UFD | UFD | UFD | UFD |
| Package Index | 05-08-1712 | 05-08-1712 | 05-08-1712 | 05-08-1712 |
| Pin Count | 28 | 28 | 28 | 28 |
Parametrics
| Parameters / Models | LTC4281CUFD#PBF | LTC4281CUFD#TRPBF | LTC4281IUFD#PBF | LTC4281IUFD#TRPBF |
|---|---|---|---|---|
| ADC | 12-/16-bit | 12-/16-bit | 12-/16-bit | 12-/16-bit |
| Active Limiting | yes | yes | yes | yes |
| Circuit Breaker Accuracy, % | 2 | 2 | 2 | 2 |
| Circuit Breaker Threshold | 12.5mV to 34.37mV | 12.5mV to 34.37mV | 12.5mV to 34.37mV | 12.5mV to 34.37mV |
| Circuit Breakers | 1 | 1 | 1 | 1 |
| Demo Boards | DC2278A-A,DC2278A-B,DC2578A | DC2278A-A,DC2278A-B,DC2578A | DC2278A-A,DC2278A-B,DC2578A | DC2278A-A,DC2278A-B,DC2578A |
| Design Tools | LTspice Model | LTspice Model | LTspice Model | LTspice Model |
| Export Control | no | no | no | no |
| Fault Output | yes | yes | yes | yes |
| Features | 12-/16-bit ADC, EEPROM, Digital Interface | 12-/16-bit ADC, EEPROM, Digital Interface | 12-/16-bit ADC, EEPROM, Digital Interface | 12-/16-bit ADC, EEPROM, Digital Interface |
| Foldback | yes | yes | yes | yes |
| In-Rush Current | Active | Active | Active | Active |
| Isupply, mA | 3.5 | 3.5 | 3.5 | 3.5 |
| Operating Temperature Range, °C | 0 to 70 | 0 to 70 | -40 to 85 | -40 to 85 |
| Power Good Output | yes | yes | yes | yes |
| Reset Output | no | no | no | no |
| Sequencing | no | no | no | no |
| Tracking | no | no | no | no |
| Vin Range | 2.9V to 33V | 2.9V to 33V | 2.9V to 33V | 2.9V to 33V |
Eco Plan
| LTC4281CUFD#PBF | LTC4281CUFD#TRPBF | LTC4281IUFD#PBF | LTC4281IUFD#TRPBF | |
|---|---|---|---|---|
| RoHS | Compliant | Compliant | Compliant | Compliant |
Model Line
Series: LTC4281 (4)
Manufacturer's Classification
- Monitor, Control and Protection > Hot Swap Controllers > Low Voltage Hot Swap Controllers
