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| Part Number | ISL6557ACB | ISL6557ACBZ | ISL6557CB |
|---|---|---|---|
| Manufacturer | Intersil | Intersil | Intersil |
| Product Status | Obsolete | Obsolete | Active |
| Output Type | PWM Signal | PWM Signal | - |
| Function | Step-Down | Step-Down | - |
| Output Configuration | Positive | Positive | - |
| Topology | Buck | Buck | - |
| Number of Outputs | 4 | 4 | - |
| Output Phases | 4 | 4 | - |
| Voltage - Supply (Vcc/Vdd) | 4.75V ~ 5.25V | 4.75V ~ 5.25V | - |
| Frequency - Switching | 80kHz ~ 1.5MHz | 80kHz ~ 1.5MHz | - |
| Duty Cycle (Max) | 75% | 75% | - |
| Synchronous Rectifier | - | - | - |
| Clock Sync | No | No | - |
| Serial Interfaces | - | - | - |
| Control Features | Current Limit, Enable, Power Good | Current Limit, Enable, Power Good | - |
| Operating Temperature | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) | - |
| Mounting Type | Surface Mount | Surface Mount | - |
| Package / Case | 24-SOIC (0.295", 7.50mm Width) | 24-SOIC (0.295", 7.50mm Width) | - |
| Supplier Device Package | 24-SOIC | 24-SOIC | - |
