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| Part Number: | ISL6558IRZ-TKR5240 | 
| Category: | Integrated Circuits (ICs) | 
| Subcategory: | PMIC - Voltage Regulators - DC DC Switching Controllers | 
| Manufacturer: | Renesas Electronics America Inc | 
| Packaging: | Tape & Reel (TR) | 
| Product Status: | Discontinued at Digi-Key | 
| Output Type: | PWM Signal | 
| Function: | Step-Down | 
| Output Configuration: | Positive | 
| Topology: | Buck | 
| Number of Outputs: | 4 | 
| Output Phases: | 4 | 
| Voltage - Supply (Vcc/Vdd): | 4.75V ~ 5.25V | 
| Frequency - Switching: | 80kHz ~ 1.5MHz | 
| Duty Cycle (Max): | 75% | 
| Synchronous Rectifier: | - | 
| Clock Sync: | No | 
| Serial Interfaces: | - | 
| Control Features: | Enable, Frequency Control, Power Good | 
| Operating Temperature: | -40°C ~ 85°C (TA) | 
| Mounting Type: | Surface Mount | 
| Package / Case: | 20-VQFN Exposed Pad | 
| Supplier Device Package: | 20-QFN (5x5) |