| Part No.： | LT1640 |
| Page： | 16 Pages |
| Size： | 166 KB |
| Manufacturer： | Linear Technology |
| Logo： |  |
| Views： | 1 |
| Update Time： | 2023-12-29 10:21:41 |
| DataSheet： | Download |
| Part No. | Packing | SPQ | Marking | MSL | Pins | Temp Range | Package Description | Buy |
| LT1640LCN8#PBF | Tube | 50 | 1640L | 1 | 8 | 0°C ~ 70°C | 8-Lead PDIP | |
| LT1640LCN8#TRPBF | Reel | 1640L | 1 | 8 | 0°C ~ 70°C | 8-Lead PDIP | ||
| LT1640LCN8#TRMPBF | Reel | 1640L | 1 | 8 | 0°C ~ 70°C | 8-Lead PDIP | ||
| LT1640LCS8#PBF | Tube | 100 | 1640L | 1 | 8 | 0°C ~ 70°C | 8-Lead SOIC | |
| LT1640LCS8#TRPBF | Reel | 2500 | 1640L | 1 | 8 | 0°C ~ 70°C | 8-Lead SOIC | |
| LT1640LCS8#TRMPBF | Reel | 500 | 1640L | 1 | 8 | 0°C ~ 70°C | 8-Lead SOIC | |
| LT1640LIN8#PBF | Tube | 50 | 1640LI | 1 | 8 | -40°C ~ 85°C | 8-Lead PDIP | |
| LT1640LIN8#TRPBF | Reel | 1640LI | 1 | 8 | -40°C ~ 85°C | 8-Lead PDIP | ||
| LT1640LIN8#TRMPBF | Reel | 1640LI | 1 | 8 | -40°C ~ 85°C | 8-Lead PDIP | ||
| LT1640LIS8#PBF | Tube | 100 | 1640LI | 1 | 8 | -40°C ~ 85°C | 8-Lead SOIC | |
| LT1640LIS8#TRPBF | Reel | 2500 | 1640LI | 1 | 8 | -40°C ~ 85°C | 8-Lead SOIC | |
| LT1640LIS8#TRMPBF | Reel | 500 | 1640LI | 1 | 8 | -40°C ~ 85°C | 8-Lead SOIC | |
| LT1640HCN8#PBF | Tube | 50 | 1640H | 1 | 8 | 0°C ~ 70°C | 8-Lead PDIP | |
| LT1640HCN8#TRPBF | Reel | 1640H | 1 | 8 | 0°C ~ 70°C | 8-Lead PDIP | ||
| LT1640HCN8#TRMPBF | Reel | 1640H | 1 | 8 | 0°C ~ 70°C | 8-Lead PDIP | ||
| LT1640HCS8#PBF | Tube | 100 | 1640H | 1 | 8 | 0°C ~ 70°C | 8-Lead SOIC | |
| LT1640HCS8#TRPBF | Reel | 2500 | 1640H | 1 | 8 | 0°C ~ 70°C | 8-Lead SOIC | |
| LT1640HCS8#TRMPBF | Reel | 500 | 1640H | 1 | 8 | 0°C ~ 70°C | 8-Lead SOIC | |
| LT1640HIN8#PBF | Tube | 50 | 1640HI | 1 | 8 | -40°C ~ 85°C | 8-Lead PDIP | |
| LT1640HIN8#TRPBF | Reel | 1640HI | 1 | 8 | -40°C ~ 85°C | 8-Lead PDIP | ||
| LT1640HIN8#TRMPBF | Reel | 1640HI | 1 | 8 | -40°C ~ 85°C | 8-Lead PDIP | ||
| LT1640HIS8#PBF | Tube | 100 | 1640HI | 1 | 8 | -40°C ~ 85°C | 8-Lead SOIC | |
| LT1640HIS8#TRPBF | Reel | 2500 | 1640HI | 1 | 8 | -40°C ~ 85°C | 8-Lead SOIC | |
| LT1640HIS8#TRMPBF | Reel | 500 | 1640HI | 1 | 8 | -40°C ~ 85°C | 8-Lead SOIC |
The LT1640L/LT1640H is an 8-pin, negative voltage Hot Swap™ controller that allows a board to be safely inserted and removed from a live backplane. Inrush current is limited to a programmable value by controlling the gate voltage of an external N-channel pass transistor. The pass transistor is turned off if the input voltage is less than the programmable undervoltage threshold or greater than the overvoltage threshold. A programmable electronic circuit breaker protects the system against shorts. The PWRGD (LTC1640L) or PWRGD (LTC1640H) signal can be used to directly enable a power module. The LT1640L is designed for modules with a low enable input and the LT1640H for modules with a high enable input.
The LT1640L/LT1640H is available in 8-pin PDIP and SO packages.
