| Part Number | LT8643SIV#PBF | LT8645SIV#PBF |
|---|---|---|
| Manufacturer | Analog Devices Inc. | Analog Devices Inc. |
| Category | PMIC - Voltage Regulators - DC DC Switching Regulators | PMIC - Voltage Regulators - DC DC Switching Regulators |
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| Product Status | Active | Active |
| Function | Step-Down | Step-Down |
| Output Configuration | Positive | Positive |
| Topology | Buck | Buck |
| Output Type | Adjustable | Adjustable |
| Number of Outputs | 1 | 1 |
| Voltage - Input (Min) | 3.4V | 3.4V |
| Voltage - Input (Max) | 42V | 65V |
| Voltage - Output (Min/Fixed) | 0.97V | 1.8V |
| Voltage - Output (Max) | 42V | 12V |
| Current - Output | 6A | 8A |
| Frequency - Switching | 200kHz ~ 3MHz | 200kHz ~ 2.2MHz |
| Synchronous Rectifier | Yes | Yes |
| Operating Temperature | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 24-TFQFN Exposed Pad | 32-TFQFN Exposed Pad |
| Supplier Device Package | 24-LQFN (4x4) | 32-LQFN (6x4) |