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| Part Number | ISL6445IAZ-TK | ISL6440IAZ-TK |
|---|---|---|
| Manufacturer | Intersil | Renesas Electronics America Inc |
| Product Status | Obsolete | Active |
| Output Type | Transistor Driver | Transistor Driver |
| Function | Step-Down | Step-Down |
| Output Configuration | Positive | Positive |
| Topology | Buck | Buck |
| Number of Outputs | 2 | 2 |
| Output Phases | 2 | 2 |
| Voltage - Supply (Vcc/Vdd) | 5.6V ~ 24V | 5.6V ~ 24V |
| Frequency - Switching | 1.4MHz | 300kHz |
| Duty Cycle (Max) | 73% | 93% |
| Synchronous Rectifier | Yes | Yes |
| Clock Sync | No | No |
| Serial Interfaces | - | - |
| Control Features | Enable, Phase Control, Power Good, Soft Start | Enable, Phase Control, Power Good, Soft Start |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 24-SSOP (0.154", 3.90mm Width) | 24-SSOP (0.154", 3.90mm Width) |
| Supplier Device Package | 24-QSOP | 24-QSOP |
