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| Part Number | LX1555ID | LX1555IDM | LX1555IM | LX1553ID | LX1555CD |
|---|---|---|---|---|---|
| Manufacturer | Microsemi Corporation | Microsemi Corporation | Microsemi Corporation | Microsemi Corporation | Microsemi Corporation |
| Product Status | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete |
| Output Type | Transistor Driver | Transistor Driver | Transistor Driver | Transistor Driver | Transistor Driver |
| Function | Step-Up, Step-Down | Step-Up, Step-Down | Step-Up, Step-Down | Step-Up, Step-Down | Step-Up, Step-Down |
| Output Configuration | Positive | Positive | Positive | Positive | Positive |
| Topology | Buck, Boost | Buck, Boost | Buck, Boost | Buck, Boost | Buck, Boost |
| Number of Outputs | 1 | 1 | 1 | 1 | 1 |
| Output Phases | 1 | 1 | 1 | 1 | 1 |
| Voltage - Supply (Vcc/Vdd) | 7.6V ~ 30V | 7.6V ~ 30V | 7.6V ~ 30V | 7.6V ~ 30V | 7.6V ~ 30V |
| Frequency - Switching | - | - | - | - | - |
| Duty Cycle (Max) | 48% | 48% | 48% | 96% | 48% |
| Synchronous Rectifier | Yes | Yes | Yes | Yes | Yes |
| Clock Sync | No | No | No | No | No |
| Serial Interfaces | - | - | - | - | - |
| Control Features | Frequency Control | Frequency Control | Frequency Control | Frequency Control | Frequency Control |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | 0°C ~ 70°C (TA) |
| Mounting Type | Surface Mount | Surface Mount | Through Hole | Surface Mount | Surface Mount |
| Package / Case | 14-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) | 8-DIP (0.300", 7.62mm) | 14-SOIC (0.154", 3.90mm Width) | 14-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 14-SOIC | 8-SOIC | 8-DIP | 14-SOIC | 14-SOIC |
