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| Part Number | ISL9440CIRZ-T | ISL9440IRZ-T | ISL9440AIRZ-T | ISL9440BIRZ-T |
|---|---|---|---|---|
| Manufacturer | Renesas Electronics America Inc | Renesas Electronics America Inc | Renesas Electronics America Inc | Renesas Electronics America Inc |
| Product Status | Obsolete | Active | Active | Active |
| Topology | Step-Down (Buck) Synchronous (3), Linear (LDO) (1) | Step-Down (Buck) Synchronous (3), Linear (LDO) (1) | Step-Down (Buck) Synchronous (3), Linear (LDO) (1) | Step-Down (Buck) Synchronous (3), Linear (LDO) (1) |
| Number of Outputs | 4 | 4 | 4 | 4 |
| Frequency - Switching | 600kHz | 300kHz | 600kHz | 300kHz |
| Voltage/Current - Output 1 | Controller | Controller | Controller | Controller |
| Voltage/Current - Output 2 | Controller | Controller | Controller | Controller |
| Voltage/Current - Output 3 | Controller | Controller | Controller | Controller |
| w/LED Driver | No | No | No | No |
| w/Supervisor | No | No | No | No |
| w/Sequencer | No | No | No | No |
| Voltage - Supply | 4.5V ~ 24V | 4.5V ~ 24V | 4.5V ~ 24V | 4.5V ~ 24V |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 32-VFQFN Exposed Pad | 32-VFQFN Exposed Pad | 32-VFQFN Exposed Pad | 32-VFQFN Exposed Pad |
| Supplier Device Package | 32-QFN (5x5) | 32-QFN (5x5) | 32-QFN (5x5) | 32-QFN (5x5) |
