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| PartNumber | LTC3857IGN-1#PBF | LTC3857IGN-1#TRPBF | LTC3857IUH#PBF |
| Description | Switching Voltage Regulators Low IQ, Dual, 2-Phase Synchronous Step Down Controller | Switching Voltage Regulators Low IQ, Dual, 2-Phase Synchronous Step Down Controller | Switching Voltage Regulators Low IQ, Dual, 2-Phase Synchronous Step Down Controller |
| 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 | SSOP-28 | SSOP-28 | QFN-32 |
| Output Voltage | 0.8 V to 24 V | 0.8 V to 24 V | 0.8 V to 24 V |
| Output Current | 25 A | 25 A | 25 A |
| Number of Outputs | 2 Output | 2 Output | 2 Output |
| Input Voltage MAX | 38 V | 38 V | 38 V |
| Topology | Buck | Buck | Buck |
| Input Voltage MIN | 4 V | 4 V | 4 V |
| Switching Frequency | 75 kHz to 850 kHz | 75 kHz to 850 kHz | 50 kHz to 900 kHz |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 125 C | + 125 C | + 125 C |
| Series | LTC3857-1 | LTC3857-1 | LTC3857 |
| Packaging | Tube | Reel | Tube |
| Height | 1.75 mm | 1.75 mm | - |
| Input Voltage | 4 V to 38 V | 4 V to 38 V | 12 V |
| Type | Step-Down Controller | Step-Down Controller | Low IQ 2-Phase Synchronous Step-Down Controller |
| Brand | Analog Devices / Linear Technology | Analog Devices / Linear Technology | Analog Devices / Linear Technology |
| Shutdown | Shutdown | Shutdown | Shutdown |
| Development Kit | DC1352A-A | DC1352A-A | DC1381A-A |
| Load Regulation | 0.01 % | 0.01 % | - |
| Operating Supply Current | 0.05 mA | 0.05 mA | 0.05 mA |
| Product Type | Switching Voltage Regulators | Switching Voltage Regulators | Switching Voltage Regulators |
| Factory Pack Quantity | 49 | 2500 | 73 |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | PMIC - Power Management ICs |
| Operating Temperature Range | - | - | - 40 C to + 125 C |
| Quiescent Current | - | - | 50 uA, 65 uA |
| Unit Weight | - | - | 0.000882 oz |