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| Part Number | ISL6549IAZ-T | ISL6549IRZ-T | ISL6549IBZ-T | 
|---|---|---|---|
| Manufacturer | Intersil | Intersil | Renesas Electronics America Inc | 
| Product Status | Active | Obsolete | Obsolete | 
| Topology | Step-Down (Buck) Synchronous (1), Linear (LDO) (1) | Step-Down (Buck) Synchronous (1), Linear (LDO) (1) | Step-Down (Buck) Synchronous (1), Linear (LDO) (1) | 
| Number of Outputs | 2 | 2 | 2 | 
| Frequency - Switching | 150kHz ~ 1MHz | 150kHz ~ 1MHz | 150kHz ~ 1MHz | 
| Voltage/Current - Output 1 | Controller | Controller | Controller | 
| Voltage/Current - Output 2 | Controller | Controller | Controller | 
| Voltage/Current - Output 3 | - | - | - | 
| w/LED Driver | No | No | No | 
| w/Supervisor | No | No | No | 
| w/Sequencer | No | No | No | 
| Voltage - Supply | 4.75V ~ 5.25V | 4.75V ~ 5.25V | 4.75V ~ 5.25V | 
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | 
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | 
| Package / Case | 16-SSOP (0.154", 3.90mm Width) | 16-VQFN Exposed Pad | 14-SOIC (0.154", 3.90mm Width) | 
| Supplier Device Package | 16-QSOP | 16-QFN (4x4) | 14-SOIC |