| PartNumber | LT3645IMSE#PBF | LT3645IMSE#TRPBF | LT3645IUD#PBF |
| Description | Switching Voltage Regulators 36Vin (55V Trans) 500mA Buck plus 200mA LDO | Switching Voltage Regulators 36Vin (55V Trans) 500mA Buck plus 200mA LDO | Switching Voltage Regulators 36Vin (55V Trans) 500mA Buck plus 200mA LDO |
| 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 | MSOP-12 | MSOP-12 | QFN-16 |
| Output Voltage | 16 V | 16 V | Adjustable |
| Output Current | 0.5 A | 0.5 A | 0.5 A |
| Number of Outputs | 2 Output | 2 Output | 2 Output |
| Input Voltage MAX | 36 V | 36 V | 36 V |
| Topology | Buck | Buck | Buck |
| Input Voltage MIN | 3.6 V | 3.6 V | 3.6 V |
| Switching Frequency | 750 kHz | 750 kHz | 750 kHz |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 125 C | + 125 C | + 125 C |
| Series | LT3645 | LT3645 | LT3645 |
| Packaging | Tube | Reel | Tube |
| Input Voltage | 3.6 V to 36 V | 3.6 V to 36 V | 3.6 V to 36 V |
| Operating Temperature Range | - 40 C to + 125 C | - 40 C to + 125 C | - 40 C to + 125 C |
| Quiescent Current | 1.4 mA | 1.4 mA | 1.4 mA |
| Type | Step Down Regulator | Step Down Regulator | Step-Down Regulator |
| Brand | Analog Devices / Linear Technology | Analog Devices / Linear Technology | Analog Devices / Linear Technology |
| Shutdown | Shutdown | Shutdown | No Shutdown |
| Operating Supply Current | 1.4 mA | 1.4 mA | 1.4 mA |
| Product Type | Switching Voltage Regulators | Switching Voltage Regulators | Switching Voltage Regulators |
| Factory Pack Quantity | 37 | 2500 | 121 |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | PMIC - Power Management ICs |
| Supply Voltage Min | - | - | 3.6 V |