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| Part Number | ISL6540AIRZ-T | ISL6540IRZ-T | ISL6545AIRZ-T | ISL6540AIRZA-T | ISL6540ACRZ-T |
|---|---|---|---|---|---|
| Manufacturer | Renesas Electronics America Inc | Intersil | Renesas Electronics America Inc | Renesas Electronics America Inc | Renesas Electronics America Inc |
| Product Status | Active | Active | Obsolete | Active | 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 ~ 22V | - | 4.5V ~ 14.4V | 2.97V ~ 22V | 2.97V ~ 22V |
| Frequency - Switching | 250kHz ~ 2MHz | - | 600kHz | 250kHz ~ 2MHz | 250kHz ~ 2MHz |
| Duty Cycle (Max) | 100% | - | 100% | 100% | 100% |
| Synchronous Rectifier | Yes | - | Yes | Yes | Yes |
| Clock Sync | No | - | No | No | No |
| Serial Interfaces | - | - | - | - | - |
| Control Features | Current Limit, Enable, Frequency Control, Power Good, Soft Start | - | Current Limit, Enable | Current Limit, Enable, Frequency Control, Power Good, Soft Start | Current Limit, Enable, Frequency Control, Power Good, Soft Start |
| Operating Temperature | -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 | Surface Mount | Surface Mount |
| Package / Case | 28-VFQFN Exposed Pad | - | 10-VFDFN Exposed Pad | 28-VFQFN Exposed Pad | 28-VFQFN Exposed Pad |
| Supplier Device Package | 28-QFN (5x5) | - | 10-DFN (3x3) | 28-QFN (5x5) | 28-QFN (5x5) |
