| PartNumber | LTC3646IDE#TRPBF | LTC3646IDE-1#PBF | LTC3646IDE#PBF |
| Description | Switching Voltage Regulators 40V, 1A, 100uA IQ Synchronous Step-Down Converter | Switching Voltage Regulators 40V, 1A, 100uA IQ Synchronous Step-Down Converter | Switching Voltage Regulators 40V, 1A, 100uA IQ Synchronous Step-Down Converter |
| 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 | DFN-14 | DFN-14 | DFN-14 |
| Output Voltage | 2 V to 30 V | 0.6 V to 15 V | 2 V to 30 V |
| Output Current | 1 A | 1 A | 1 A |
| Number of Outputs | 1 Output | 1 Output | 1 Output |
| Input Voltage MAX | 40 V | 40 V | 40 V |
| Topology | Buck | Buck | Buck |
| Input Voltage MIN | 4 V | 4 V | 4 V |
| Switching Frequency | 200 kHz to 3 MHz | 3 MHz | 3 MHz |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 125 C | + 125 C | + 125 C |
| Series | LTC3646 | LTC3646 | LTC3646 |
| Packaging | Reel | Tube | Tube |
| Input Voltage | 4 V to 40 V | 12 V | 4 V to 40 V |
| Quiescent Current | 140 uA | 140 uA | 140 uA |
| Type | Synchronous Step-Down DC/DC Converter | High Efficiency Synchronous Step-Down DC/DC Converter | Synchronous Step-Down Converter |
| Brand | Analog Devices / Linear Technology | Analog Devices / Linear Technology | Analog Devices / Linear Technology |
| Shutdown | Shutdown | Shutdown | Shutdown |
| Development Kit | DC1731A-A, DC1731A-B | DC1731A-B, DC1820A-B | DC1731A-A, DC1731A-B, DC1820A-A, DC1820A-B |
| Operating Supply Current | 0.140 mA | 0.140 mA | 0.140 mA |
| Product Type | Switching Voltage Regulators | Switching Voltage Regulators | Switching Voltage Regulators |
| Factory Pack Quantity | 2500 | 91 | 91 |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | PMIC - Power Management ICs |
| Operating Temperature Range | - | - 40 C to + 125 C | - 40 C to + 125 C |
| Unit Weight | - | 0.007372 oz | 0.007372 oz |
| Supply Voltage Min | - | - | 4 V |