| PartNumber | LTC3126EFE#PBF | LTC3126EFE#TRPBF | LTC3126EUFD#PBF |
| Description | Switching Voltage Regulators 42V, 2.5A Synchronous Step-Down Regulator with Lossless PowerPath | Switching Voltage Regulators 42V, 2.5A Synchronous Step-Down Regulator with Lossless PowerPath | Switching Voltage Regulators 42V, 2.5A Synchronous Step-Down Regulator with Lossless PowerPath |
| 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 | TSSOP-28 | TSSOP-28 | QFN-28 |
| Output Voltage | 0.818 V to 42 V | 0.818 V to 42 V | 0.818 V to 42 V |
| Output Current | 2.5 A | 2.5 A | 2.5 A |
| Number of Outputs | 1 Output | 1 Output | 1 Output |
| Input Voltage MAX | 42 V | 42 V | 42 V |
| Topology | Buck | Buck | Buck |
| Input Voltage MIN | 2.4 V | 2.4 V | 2.4 V |
| Switching Frequency | 200 kHz to 2.2 MHz | 200 kHz to 2.2 MHz | 200 kHz to 2.2 MHz |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 125 C | + 125 C | + 125 C |
| Series | LTC3126 | LTC3126 | LTC3126 |
| Packaging | Tube | Reel | Tube |
| Input Voltage | 2.4 V to 42 V | 2.4 V to 42 V | 2.4 V to 42 V |
| Quiescent Current | 2 uA | 2 uA | 2 uA |
| Type | Synchronous | Synchronous | Synchronous |
| Brand | Analog Devices / Linear Technology | Analog Devices / Linear Technology | Analog Devices / Linear Technology |
| Shutdown | Shutdown | Shutdown | Shutdown |
| Development Kit | DC2215A | DC2215A | DC2215A |
| Operating Supply Current | 1.2 uA | 1.2 uA | 1.2 uA |
| Product Type | Switching Voltage Regulators | Switching Voltage Regulators | Switching Voltage Regulators |
| Factory Pack Quantity | 50 | 2000 | 73 |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | PMIC - Power Management ICs |
| Supply Voltage Min | 2.4 V | 2.4 V | 2.4 V |
| Unit Weight | 0.007690 oz | - | 0.008854 oz |