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| Part Number | ISL6431CB-T | ISL6439CB-T | ISL6401CB-T |
|---|---|---|---|
| Manufacturer | Intersil | Intersil | Renesas Electronics America Inc |
| Product Status | Obsolete | Obsolete | Obsolete |
| Output Type | Transistor Driver | Transistor Driver | Transistor Driver |
| Function | Step-Down | Step-Down | Step-Up, Step-Up/Step-Down |
| Output Configuration | Positive | Positive | Positive, Isolation Capable |
| Topology | Buck | Buck | Boost, Flyback |
| Number of Outputs | 1 | 1 | 1 |
| Output Phases | 1 | 1 | 1 |
| Voltage - Supply (Vcc/Vdd) | 4.5V ~ 5.5V | 2.97V ~ 3.63V | 4.5V ~ 5.5V |
| Frequency - Switching | 300kHz | 300kHz | 50kHz ~ 500kHz |
| Duty Cycle (Max) | 100% | 100% | 48% |
| Synchronous Rectifier | Yes | Yes | No |
| Clock Sync | No | No | Yes |
| Serial Interfaces | - | - | - |
| Control Features | Phase Control | Enable, Phase Control | Enable, Frequency Control |
| Operating Temperature | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | 14-SOIC (0.154", 3.90mm Width) | 14-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 8-SOIC | 14-SOIC | 14-SOIC |
