| Part Number | ISL6558IB | ISL6551IB |
|---|---|---|
| Manufacturer | Intersil | Intersil |
| Category | PMIC - Voltage Regulators - DC DC Switching Controllers | PMIC - Voltage Regulators - DC DC Switching Controllers |
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| Product Status | Obsolete | Obsolete |
| Output Type | PWM Signal | Transistor Driver |
| Function | Step-Down | Step-Up/Step-Down |
| Output Configuration | Positive | Positive, Isolation Capable |
| Topology | Buck | Full-Bridge |
| Number of Outputs | 4 | 1 |
| Output Phases | 4 | 1 |
| Voltage - Supply (Vcc/Vdd) | 4.75V ~ 5.25V | 10.8V ~ 13.2V |
| Frequency - Switching | 80kHz ~ 1.5MHz | 50kHz ~ 500kHz |
| Duty Cycle (Max) | 75% | 50% |
| Synchronous Rectifier | - | Yes |
| Clock Sync | No | No |
| Serial Interfaces | - | - |
| Control Features | Enable, Frequency Control, Power Good | Current Limit, Dead Time Control, Enable, Soft Start |
| Operating Temperature | -40°C ~ 85°C (TA) | 0°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 16-SOIC (0.154", 3.90mm Width) | 28-SOIC (0.295", 7.50mm Width) |
| Supplier Device Package | 16-SOIC | 28-SOIC |