| PartNumber | LT8640EUDC-1#PBF | LT8640EUDC#PBF | LT8640EUDC#TRPBF |
| Description | Switching Voltage Regulators 42V, 6A Synchronous Step-Down Silent Switcher with 2.5 A Quiescent Current | Switching Voltage Regulators 2.5 uA Quiescent Current | Switching Voltage Regulators 42V, 6A Synchronous Step-Down Silent Switcher with 2.5 A Quiescent Current |
| Manufacturer | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. |
| Product Category | Switching Voltage Regulators | Switching Voltage Regulators | Switching Voltage Regulators |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | QFN-18 | QFN-18 | QFN-18 |
| Output Voltage | 0.97 V to 41.9 V | 0.97 V to 41.9 V | 0.97 V to 41.58 V |
| Output Current | 5 A | 5 A | 5 A |
| Number of Outputs | 1 Output | 1 Output | 1 Output |
| Input Voltage MAX | 42 V | 42 V | 42 V |
| Topology | Buck | Buck | Buck |
| Input Voltage MIN | 3.4 V | 3.4 V | 3.4 V |
| Switching Frequency | 3 MHz | 3 MHz | 200 kHz to 3 MHz |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 125 C | + 125 C | + 125 C |
| Series | LT8640 | LT8640 | LT8640 |
| Packaging | Tube | Tube | Reel |
| Input Voltage | 3.4 V to 42 V | 3.4 V to 42 V | 2.9 V to 42 V |
| Quiescent Current | 1.7 uA | 2.5 uA | 2.5 uA, 0.3 mA |
| Type | Switching Regulator | Switching Regulator | Synchronous Step-Down Regulator Silent Switcher |
| Brand | Analog Devices / Linear Technology | Analog Devices / Linear Technology | Analog Devices / Linear Technology |
| Shutdown | Shutdown | Shutdown | Shutdown |
| Development Kit | DC2202A | DC2202A | DC2202A |
| Operating Supply Current | 0.0017 mA | 1.7 uA | 0.0017 mA |
| Product Type | Switching Voltage Regulators | Switching Voltage Regulators | Switching Voltage Regulators |
| Factory Pack Quantity | 91 | 91 | 2500 |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | PMIC - Power Management ICs |
| Supply Voltage Min | 3.4 V | 3.4 V | - |
| Unit Weight | 0.016014 oz | 0.009524 oz | - |
| Operating Temperature Range | - | - | - 40 C to + 125 C |