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| Part Number | ISL6557CB-T | ISL6559CB-T | ISL6558CB-T | ISL6527CB-T | ISL6552CB-T | ISL6553CB-T | ISL6557ACB-T |
|---|---|---|---|---|---|---|---|
| Manufacturer | Intersil | Intersil | Intersil | Renesas Electronics America Inc | Renesas Electronics America Inc | Intersil | Intersil |
| Product Status | Active | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Active |
| Output Type | - | PWM Signal | PWM Signal | Transistor Driver | PWM Signal | PWM Signal | - |
| Function | - | Step-Down | Step-Down | Step-Down | Step-Down | Step-Down | - |
| Output Configuration | - | Positive | Positive | Positive | Positive | Positive | - |
| Topology | - | Buck | Buck | Buck | Buck | Buck | - |
| Number of Outputs | - | 4 | 4 | 1 | 4 | 2 | - |
| Output Phases | - | 4 | 4 | 1 | 4 | 2 | - |
| Voltage - Supply (Vcc/Vdd) | - | 4.75V ~ 5.25V | 4.75V ~ 5.25V | 2.97V ~ 3.63V | 4.75V ~ 5.25V | 4.75V ~ 5.25V | - |
| Frequency - Switching | - | 80kHz ~ 1MHz | 80kHz ~ 1.5MHz | 300kHz | 50kHz ~ 1.5MHz | 50kHz ~ 1.5MHz | - |
| Duty Cycle (Max) | - | 75% | 75% | 100% | - | - | - |
| Synchronous Rectifier | - | - | - | Yes | - | - | - |
| Clock Sync | - | No | No | No | No | No | - |
| Serial Interfaces | - | - | - | - | - | - | - |
| Control Features | - | Current Limit, Enable, Frequency Control, Power Good | Enable, Frequency Control, Power Good | Enable, Phase Control | Enable, Frequency Control, Power Good | Enable, Frequency Control, Power Good | - |
| Operating Temperature | - | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) | - |
| Mounting Type | - | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | - |
| Package / Case | - | 28-SOIC (0.295", 7.50mm Width) | 16-SOIC (0.154", 3.90mm Width) | 14-SOIC (0.154", 3.90mm Width) | 20-SOIC (0.295", 7.50mm Width) | 16-SOIC (0.154", 3.90mm Width) | - |
| Supplier Device Package | - | 28-SOIC | 16-SOIC | 14-SOIC | 20-SOIC | 16-SOIC | - |
