| PartNumber | LT1940EFE#TRPBF | LT1940EFE#PBF | LT1940LEFE#PBF |
| Description | Switching Voltage Regulators Dual 1.4A Step-dn DC/DC Converter | Switching Voltage Regulators Dual 1.4A Step-dn DC/DC Converter | Switching Voltage Regulators Low Input Voltage Dual 1.4A Step-dn DC/DC 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 | TSSOP-16 | TSSOP-16 | TSSOP-16 |
| Output Voltage | 1.25 V to 22 V | Adjustable | Adjustable |
| Output Current | 1.4 A | 1.4 A | 1.4 A |
| Number of Outputs | 2 Output | 2 Output | 2 Output |
| Input Voltage MAX | 25 V | 25 V | 7 V |
| Topology | Buck | Buck | Buck |
| Input Voltage MIN | 3.6 V | 3.6 V | 3.6 V |
| Switching Frequency | 1.1 MHz | 1.1 MHz | 1.1 MHz |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Series | LT1940 | LT1940 | LT1940 |
| Packaging | Reel | Tube | Tube |
| Height | 1.1 mm | 1.1 mm | 1.1 mm |
| Input Voltage | 3.4 V to 25 V | 3.6 V to 25 V | 3.6 V to 7 V |
| Operating Temperature Range | - 40 C to + 85 C | - 40 C to + 85 C | - 40 C to + 85 C |
| Quiescent Current | 3.8 mA | 3.8 mA | 3.8 mA |
| Type | Dual Monolithic Step-Down Switching Regulator | DC/DC Converter | DC/DC Converter |
| Brand | Analog Devices / Linear Technology | Analog Devices / Linear Technology | Analog Devices / Linear Technology |
| Shutdown | Shutdown | No Shutdown | No Shutdown |
| Development Kit | DC519A | - | - |
| Operating Supply Current | 3.8 mA | 3.8 mA | 3.8 mA |
| Product Type | Switching Voltage Regulators | Switching Voltage Regulators | Switching Voltage Regulators |
| Factory Pack Quantity | 2500 | 95 | 95 |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | PMIC - Power Management ICs |
| Supply Voltage Min | - | 3.6 V | 3.6 V |
| Unit Weight | - | 0.003668 oz | 0.003668 oz |