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| PartNumber | LTC3858EUH#TRPBF | LTC3858EUH#PBF | LTC3858EUH |
| 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 | |
| Manufacturer | Analog Devices Inc. | Analog Devices Inc. | Linear Technology |
| Product Category | Switching Voltage Regulators | Switching Voltage Regulators | IC Chips |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | QFN-32 | QFN-32 | - |
| Output Voltage | 0.8 V to 24 V | 0.8 V to 24 V | - |
| Output Current | 25 A | 25 A | - |
| Number of Outputs | 2 Output | 2 Output | 2 |
| Input Voltage MAX | 38 V | 38 V | - |
| Topology | Buck | Buck | Buck |
| Input Voltage MIN | 4 V | 4 V | - |
| Switching Frequency | 75 kHz to 850 kHz | 50 kHz to 900 kHz | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 125 C | + 125 C | - |
| Series | LTC3858 | LTC3858 | PolyPhaseR |
| Packaging | Reel | Tube | Tube Alternate Packaging |
| Input Voltage | 4 V to 38 V | 12 V | - |
| Type | Step-Down Controller | 2-Phase Synchronous Step-Down Switching Regulator Controller | - |
| Brand | Analog Devices / Linear Technology | Analog Devices / Linear Technology | - |
| Shutdown | Shutdown | Shutdown | - |
| Development Kit | DC1381A-B, DC1510A-A, DC1510A-B | DC1381A-B, DC1510A-A, DC1510A-B | - |
| Load Regulation | 0.01 % | - | - |
| Operating Supply Current | 0.17 mA | 0.17 mA | - |
| Product Type | Switching Voltage Regulators | Switching Voltage Regulators | - |
| Factory Pack Quantity | 2500 | 73 | - |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | - |
| Operating Temperature Range | - | - 40 C to + 125 C | - |
| Quiescent Current | - | 170 uA, 300 uA | - |
| Package Case | - | - | 32-WFQFN Exposed Pad |
| Operating Temperature | - | - | -40°C ~ 125°C (TJ) |
| Output Type | - | - | Transistor Driver |
| Function | - | - | Step-Down |
| Supplier Device Package | - | - | 32-QFN (5x5) |
| Voltage Supply Vcc Vdd | - | - | 4 V ~ 38 V |
| Frequency Switching | - | - | 105kHz ~ 835kHz, 350kHz ~ 535kHz |
| Control Features | - | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start |
| Output Configuration | - | - | Positive |
| Output Phases | - | - | 2 |
| Duty Cycle Max | - | - | 0.994 |
| Synchronous Rectifier | - | - | Yes |
| Clock Sync | - | - | No |
| Serial Interfaces | - | - | - |