| PartNumber | LT3990HMSE-3.3#PBF | LT3990HMSE#TRPBF | LT3990HMSE#PBF |
| Description | Switching Voltage Regulators 60V, 350mA Step-Down Regulator with 2uA Quiescent Current and Integrated Diodes in DFN | Switching Voltage Regulators 60V, 350mA Step-Down Regulator with 2uA Quiescent Current and Integrated Diodes in DFN | Switching Voltage Regulators 60V, 350mA Step-Down Regulator with 2uA Quiescent Current and Integrated Diodes in DFN |
| 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-16 | MSOP-16 | MSOP-16 |
| Output Voltage | 3.3 V | 1.21 V to 25 V | 1.21 V to 25 V |
| Output Current | 0.35 A | 0.35 A | 0.35 A |
| Number of Outputs | 1 Output | 1 Output | 1 Output |
| Input Voltage MAX | 60 V | 60 V | 60 V |
| Topology | Buck | Buck | Buck |
| Input Voltage MIN | 4 V | 4 V | 4 V |
| Switching Frequency | 2.2 MHz | 2.2 MHz | 2.3 MHz |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 150 C | + 150 C | + 125 C |
| Series | LT3990 | LT3990 | LT3990 |
| Packaging | Tube | Reel | Tube |
| Input Voltage | 4 V to 60 V | 4 V to 60 V | 4 V to 62 V |
| Operating Temperature Range | - 40 C to + 150 C | - 40 C to + 150 C | - 40 C to + 125 C |
| Quiescent Current | 2.2 uA at 12 V | 2.5 uA at 12 V | 2.5 uA |
| Type | Step Down Regulator with Integrated Diodes | Step Down Regulator with Integrated Diodes | Switching Regulator |
| Brand | Analog Devices / Linear Technology | Analog Devices / Linear Technology | Analog Devices / Linear Technology |
| Shutdown | Shutdown | Shutdown | Shutdown |
| Development Kit | DC1471A | DC1471A | DC1471A |
| Operating Supply Current | 0.0017 mA | 0.0017 mA | 0.0017 mA |
| Product Type | Switching Voltage Regulators | Switching Voltage Regulators | Switching Voltage Regulators |
| Factory Pack Quantity | 37 | 2500 | 37 |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | PMIC - Power Management ICs |
| Unit Weight | 0.003527 oz | - | 0.003527 oz |