| PartNumber | LT3641EUFD#PBF | LT3641EFE#TRPBF | LT3641EFE#PBF |
| Description | Switching Voltage Regulators 42V Dual Monolithic Buck Regulator with Power-On Reset and Watchdog Timer | Switching Voltage Regulators 42V Dual Monolithic Buck Regulator with Power-On Reset and Watchdog Timer | Switching Voltage Regulators 42V Dual Monolithic Buck Regulator with Power-On Reset and Watchdog Timer |
| 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-28 | TSSOP-28 | TSSOP-28 |
| Output Voltage | 40.97 V | 40.97 V | Adjustable |
| Output Current | 1.3 A | 1.3 A | 1.3 A |
| Number of Outputs | 2 Output | 2 Output | 2 Output |
| Input Voltage MAX | 42 V | 42 V | 42 V |
| Topology | Buck | Buck | Buck |
| Input Voltage MIN | 4 V | 4 V | 4 V |
| Switching Frequency | 2.5 MHz | 2.5 MHz | 350 kHz to 2.5 MHz |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 125 C | + 125 C | + 125 C |
| Series | LT3641 | LT3641 | LT3641 |
| Packaging | Tube | Reel | Tube |
| Input Voltage | 4 V to 4.2 V | 4 V to 4.2 V | 2.5 V to 5.5 V, 4 V to 42 V |
| Operating Temperature Range | - 40 C to + 125 C | - 40 C to + 125 C | - 40 C to + 125 C |
| Quiescent Current | 0.275 mA | 0.275 mA | 275 uA |
| Type | Dual Monolithic Buck Regulator | Dual Monolithic Buck Regulator | Monolithic Buck |
| Brand | Analog Devices / Linear Technology | Analog Devices / Linear Technology | Analog Devices / Linear Technology |
| Shutdown | Shutdown | Shutdown | Shutdown |
| Operating Supply Current | 0.275 mA | 0.275 mA | 0.275 mA |
| Product Type | Switching Voltage Regulators | Switching Voltage Regulators | Switching Voltage Regulators |
| Factory Pack Quantity | 73 | 2000 | 50 |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | PMIC - Power Management ICs |
| Development Kit | - | DC1727A | - |
| Supply Voltage Min | - | - | 2.5 V |
| Unit Weight | - | - | 0.007055 oz |