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| Part Number | ISL6439ACB | ISL6439ACR | ISL6439AIB | ISL6439CB | ISL6431ACB |
|---|---|---|---|---|---|
| Manufacturer | Intersil | Intersil | Intersil | Renesas Electronics America Inc | Intersil |
| Product Status | Active | Active | Obsolete | Obsolete | Active |
| Output Type | - | - | Transistor Driver | Transistor Driver | - |
| Function | - | - | Step-Down | Step-Down | - |
| Output Configuration | - | - | Positive | Positive | - |
| Topology | - | - | Buck | Buck | - |
| Number of Outputs | - | - | 1 | 1 | - |
| Output Phases | - | - | 1 | 1 | - |
| Voltage - Supply (Vcc/Vdd) | - | - | 2.97V ~ 3.63V | 2.97V ~ 3.63V | - |
| Frequency - Switching | - | - | 600kHz | 300kHz | - |
| Duty Cycle (Max) | - | - | 100% | 100% | - |
| Synchronous Rectifier | - | - | Yes | Yes | - |
| Clock Sync | - | - | No | No | - |
| Serial Interfaces | - | - | - | - | - |
| Control Features | - | - | Enable, Phase Control | Enable, Phase Control | - |
| Operating Temperature | - | - | -40°C ~ 85°C (TA) | 0°C ~ 70°C (TA) | - |
| Mounting Type | - | - | Surface Mount | Surface Mount | - |
| Package / Case | - | - | 14-SOIC (0.154", 3.90mm Width) | 14-SOIC (0.154", 3.90mm Width) | - |
| Supplier Device Package | - | - | 14-SOIC | 14-SOIC | - |
