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| PartNumber | LT3640EUFD#PBF | LT3640EUFD#TRPBF | LT3640EUFD |
| Description | Switching Voltage Regulators Dual Monolithic Buck Regulator with Power-On Reset and Watchdog Timer | Switching Voltage Regulators Dual Monolithic Buck Regulator with Power-On Reset and Watchdog Timer | |
| Manufacturer | Analog Devices Inc. | Analog Devices Inc. | LT |
| Product Category | Switching Voltage Regulators | Switching Voltage Regulators | PMIC - Voltage Regulators - DC DC Switching Regulators |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | QFN-28 | QFN-28 | - |
| Output Voltage | 33.97 V | 33.97 V | - |
| Output Current | 1.3 A | 1.3 A | - |
| Number of Outputs | 2 Output | 2 Output | - |
| Input Voltage MAX | 35 V | 35 V | - |
| Topology | Buck | Buck | - |
| Input Voltage MIN | 4 V | 4 V | - |
| Switching Frequency | 2.5 MHz | 2.5 MHz | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 125 C | + 125 C | - |
| Series | LT3640 | LT3640 | - |
| Packaging | Tube | Reel | - |
| Input Voltage | 4 V to 35 V | 4 V to 35 V | - |
| Operating Temperature Range | - 40 C to + 125 C | - 40 C to + 125 C | - |
| Quiescent Current | 0.275 mA | 0.275 mA | - |
| Type | Dual Monolithic Buck Regulator | Dual Monolithic Buck Regulator | - |
| Brand | Analog Devices / Linear Technology | Analog Devices / Linear Technology | - |
| Shutdown | Shutdown | Shutdown | - |
| Operating Supply Current | 0.275 mA | 0.275 mA | - |
| Product Type | Switching Voltage Regulators | Switching Voltage Regulators | - |
| Factory Pack Quantity | 73 | 2500 | - |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | - |