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| Part Number | LTC3308AIV#TRMPBF | LTC3309AIV#TRMPBF | LTC3308AJV#TRMPBF | LTC3308AIV#TRPBF | LTC3307AIV#TRMPBF | LTC3308AEV#TRMPBF | LTC3308AHV#TRMPBF | 
|---|---|---|---|---|---|---|---|
| Manufacturer | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | 
| Product Status | Active | Active | Active | Active | Active | Active | Active | 
| Function | Step-Down | Step-Down | Step-Down | Step-Down | Step-Down | Step-Down | Step-Down | 
| Output Configuration | Positive | Positive | Positive | Positive | Positive | Positive | Positive | 
| Topology | Buck | Buck | Buck | Buck | Buck | Buck | Buck | 
| Output Type | Adjustable | Programmable | Adjustable | Adjustable | Adjustable | Adjustable | Adjustable | 
| Number of Outputs | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 
| Voltage - Input (Min) | 2.25V | 2.25V | 2.25V | 2.25V | 2.25V | 2.25V | 2.25V | 
| Voltage - Input (Max) | 5.5V | 5.5V | 5.5V | 5.5V | 5.5V | 5.5V | 5.5V | 
| Voltage - Output (Min/Fixed) | 0.5V | 0.5V | 0.5V | 0.5V | 0.5V | 0.5V | 0.5V | 
| Voltage - Output (Max) | 5.5V | 2.25V | 5.5V | 5.5V | 5.5V | 5.5V | 5.5V | 
| Current - Output | 4A | 6A | 4A | 4A | 3A | 4A | 4A | 
| Frequency - Switching | 1MHz ~ 3MHz | Up to 3MHz | 1MHz ~ 3MHz | 1MHz ~ 3MHz | 2MHz | 1MHz ~ 3MHz | 1MHz ~ 3MHz | 
| Synchronous Rectifier | Yes | Yes | Yes | Yes | Yes | Yes | Yes | 
| Operating Temperature | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 150°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 150°C (TJ) | 
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | 
| Package / Case | 12-VFQFN Exposed Pad | 12-VFQFN Exposed Pad | 12-VFQFN Exposed Pad | 12-VFQFN Exposed Pad | 12-VFQFN Exposed Pad | 12-VFQFN Exposed Pad | 12-VFQFN Exposed Pad | 
| Supplier Device Package | 12-LQFN (2x2) | 12-LQFN (2x2) | 12-LQFN (2x2) | 12-LQFN (2x2) | 12-LQFN (2x2) | 12-LQFN (2x2) | 12-LQFN (2x2) |