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| Part Number | LTC3621EDCB-3.3#TRMPBF | LTC3621IDCB-3.3#TRMPBF | LTC3621EDCB-3.3#TRPBF | LTC3621EDCB-23.3#TRMPBF | 
|---|---|---|---|---|
| Manufacturer | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | 
| Product Status | Active | Active | Active | Active | 
| Function | Step-Down | Step-Down | Step-Down | Step-Down | 
| Output Configuration | Positive | Positive | Positive | Positive | 
| Topology | Buck | Buck | Buck | Buck | 
| Output Type | Fixed | Fixed | Fixed | Fixed | 
| Number of Outputs | 1 | 1 | 1 | 1 | 
| Voltage - Input (Min) | 2.7V | 2.7V | 2.7V | 2.7V | 
| Voltage - Input (Max) | 17V | 17V | 17V | 17V | 
| Voltage - Output (Min/Fixed) | 3.3V | 3.3V | 3.3V | 3.3V | 
| Voltage - Output (Max) | - | - | - | - | 
| Current - Output | 1A | 1A | 1A | 1A | 
| Frequency - Switching | 1MHz | 1MHz | 1MHz | 2.25MHz | 
| Synchronous Rectifier | Yes | Yes | Yes | Yes | 
| Operating Temperature | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | 
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | 
| Package / Case | 6-WFDFN Exposed Pad | 6-WFDFN Exposed Pad | 6-WFDFN Exposed Pad | 6-WFDFN Exposed Pad | 
| Supplier Device Package | 6-DFN (2x3) | 6-DFN (2x3) | 6-DFN (2x3) | 6-DFN (2x3) |