| Part Number | ISL8121IRZ-T | ISL8126IRZ-T |
|---|---|---|
| Manufacturer | Renesas Electronics America Inc | Renesas Electronics America Inc |
| Category | PMIC - Voltage Regulators - DC DC Switching Controllers | PMIC - Voltage Regulators - DC DC Switching Controllers |
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| Product Status | Active | Active |
| Output Type | Transistor Driver | Transistor Driver |
| Function | Step-Down | Step-Down |
| Output Configuration | Positive | Positive |
| Topology | Buck | Buck |
| Number of Outputs | 2 | 2 |
| Output Phases | 2 | 2 |
| Voltage - Supply (Vcc/Vdd) | 4.9V ~ 5.5V | 3V ~ 5.6V |
| Frequency - Switching | 150kHz ~ 2MHz | 150kHz ~ 1.5MHz |
| Duty Cycle (Max) | 66% | 90% |
| Synchronous Rectifier | Yes | Yes |
| Clock Sync | No | Yes |
| Serial Interfaces | - | - |
| Control Features | Current Limit, Enable, Soft Start, Tracking | Current Limit, Enable, Frequency Control, Power Good |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 24-VFQFN Exposed Pad | 32-VFQFN Exposed Pad |
| Supplier Device Package | 24-QFN (4x4) | 32-QFN (5x5) |