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| Part Number | ISL6439AIB | ISL6439IB | ISL6439AIBZ | ISL6439AIR | ISL6439ACB |
|---|---|---|---|---|---|
| Manufacturer | Intersil | Intersil | Intersil | Intersil | Intersil |
| Product Status | Obsolete | Obsolete | Active | Obsolete | Active |
| Output Type | Transistor Driver | Transistor Driver | Transistor Driver | Transistor Driver | - |
| Function | Step-Down | Step-Down | Step-Down | Step-Down | - |
| Output Configuration | Positive | Positive | Positive | Positive | - |
| Topology | Buck | Buck | Buck | Buck | - |
| Number of Outputs | 1 | 1 | 1 | 1 | - |
| Output Phases | 1 | 1 | 1 | 1 | - |
| Voltage - Supply (Vcc/Vdd) | 2.97V ~ 3.63V | 2.97V ~ 3.63V | 2.97V ~ 3.63V | 2.97V ~ 3.63V | - |
| Frequency - Switching | 600kHz | 300kHz | 600kHz | 600kHz | - |
| Duty Cycle (Max) | 100% | 100% | 100% | 100% | - |
| Synchronous Rectifier | Yes | Yes | Yes | Yes | - |
| Clock Sync | No | No | No | No | - |
| Serial Interfaces | - | - | - | - | - |
| Control Features | Enable, Phase Control | Enable, Phase Control | Enable, Phase Control | Enable, Phase Control | - |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | - |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | - |
| Package / Case | 14-SOIC (0.154", 3.90mm Width) | 14-SOIC (0.154", 3.90mm Width) | 14-SOIC (0.154", 3.90mm Width) | 16-VQFN Exposed Pad | - |
| Supplier Device Package | 14-SOIC | 14-SOIC | 14-SOIC | 16-QFN (5x5) | - |
