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| Part Number | LTC4449EDCB#TRPBF | LTC4449IDCB#TRPBF | LTC4449EDCB#TRMPBF | 
|---|---|---|---|
| Manufacturer | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | 
| Product Status | Active | Active | Active | 
| Driven Configuration | Half-Bridge | Half-Bridge | Half-Bridge | 
| Channel Type | Synchronous | Synchronous | Synchronous | 
| Number of Drivers | 2 | 2 | 2 | 
| Gate Type | N-Channel MOSFET | N-Channel MOSFET | N-Channel MOSFET | 
| Voltage - Supply | 4V ~ 6.5V | 4V ~ 6.5V | 4V ~ 6.5V | 
| Logic Voltage - VIL, VIH | 3V, 6.5V | 3V, 6.5V | 3V, 6.5V | 
| Current - Peak Output (Source, Sink) | 3.2A, 4.5A | 3.2A, 4.5A | 3.2A, 4.5A | 
| Input Type | Non-Inverting | Non-Inverting | Non-Inverting | 
| High Side Voltage - Max (Bootstrap) | 42 V | 42 V | 42 V | 
| Rise / Fall Time (Typ) | 8ns, 7ns | 8ns, 7ns | 8ns, 7ns | 
| Operating Temperature | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | 
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | 
| Package / Case | 8-WFDFN Exposed Pad | 8-WFDFN Exposed Pad | 8-WFDFN Exposed Pad | 
| Supplier Device Package | 8-DFN (2x3) | 8-DFN (2x3) | 8-DFN (2x3) |