| Part Number | LTC3863IMSE#PBF | LTC3863HMSE#PBF | 
|---|---|---|
| Manufacturer | Analog Devices Inc. | Analog Devices Inc. | 
| Category | PMIC - Voltage Regulators - DC DC Switching Controllers | PMIC - Voltage Regulators - DC DC Switching Controllers | 
|   |   | |
| Product Status | Active | Active | 
| Output Type | Transistor Driver | Transistor Driver | 
| Function | Step-Down | Step-Down | 
| Output Configuration | Positive or Negative | Positive or Negative | 
| Topology | Buck | Buck | 
| Number of Outputs | 1 | 1 | 
| Output Phases | 1 | 1 | 
| Voltage - Supply (Vcc/Vdd) | 3.5V ~ 60V | 3.5V ~ 60V | 
| Frequency - Switching | 50kHz ~ 850kHz | 50kHz ~ 850kHz | 
| Duty Cycle (Max) | - | - | 
| Synchronous Rectifier | No | No | 
| Clock Sync | No | No | 
| Serial Interfaces | - | - | 
| Control Features | Current Limit, Enable, Frequency Control, Soft Start | Current Limit, Enable, Frequency Control, Soft Start | 
| Operating Temperature | -40°C ~ 125°C (TJ) | -40°C ~ 150°C (TJ) | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 12-TSSOP (0.118", 3.00mm Width) Exposed Pad | 12-TSSOP (0.118", 3.00mm Width) Exposed Pad | 
| Supplier Device Package | 12-MSOP-EP | 12-MSOP-EP |