| PartNumber | LTC3851AIUD#PBF | LTC3851AIUD-1#PBF | LTC3851AIUD#TRPBF |
| Description | Switching Voltage Regulators 40Vin Synchronous Step-Down Controller | Switching Voltage Regulators 40Vin Synchronous Step-Down Switching Controller | Switching Voltage Regulators 40Vin Synchronous Step-Down Controller |
| 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-16 | QFN-16 | QFN-16 |
| Output Voltage | 0.8 V to 5.5 V | 0.8 V to 5.5 V | 0.8 V to 5.5 V |
| Output Current | 25 A | 25 A | 25 A |
| Number of Outputs | 1 Output | 1 Output | 1 Output |
| Input Voltage MAX | 38 V | 38 V | 38 V |
| Topology | Buck | Buck | Buck |
| Input Voltage MIN | 4 V | 4 V | 4 V |
| Switching Frequency | 250 kHz to 750 kHz | 250 kHz to 750 kHz | 250 kHz to 750 kHz |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 125 C | + 125 C | + 125 C |
| Series | LTC3851A | LTC3851A-1 | LTC3851A |
| Packaging | Tube | Tube | Reel |
| Input Voltage | 4 V to 38 V | 4 V to 38 V | 4 V to 38 V |
| Type | Step-Down Switching Regulator Controller | Step-Down Switching Regulator Controller | Step-Down Switching Regulator Controller |
| Brand | Analog Devices / Linear Technology | Analog Devices / Linear Technology | Analog Devices / Linear Technology |
| Shutdown | Shutdown | Shutdown | Shutdown |
| Development Kit | DC1432A-A | DC1432A-B | DC1432A-A |
| Load Regulation | 0.01 % | 0.01 % | 0.01 % |
| Operating Supply Current | 1.2 mA | 1 mA | 1.2 mA |
| Product Type | Switching Voltage Regulators | Switching Voltage Regulators | Switching Voltage Regulators |
| Factory Pack Quantity | 121 | 121 | 2500 |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | PMIC - Power Management ICs |