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