| Base Product Number | LTC3891 |
| Category | Integrated Circuits (ICs) |
| Clock Sync | No |
| Control Features | Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking |
| Description | IC REG CTRLR BUCK 20TSSOP |
| Detailed Description | Buck Regulator Positive Output Step-Down DC-DC Controller IC 20-TSSOP-EP |
| Digi-Key Part Number | 505-LTC3891EFE#PBF-ND |
| Duty Cycle (Max) | 99% |
| Frequency - Switching | 105kHz ~ 835kHz, 350kHz ~ 535kHz |
| Function | Step-Down |
| Manufacturer Product Number | LTC3891EFE#PBF |
| Manufacturer Standard Lead Time | 13 Weeks |
| Manufacturer, Mfr | Analog Devices Inc. |
| Mounting Type | Surface Mount |
| Number of Outputs, Output Phases | 1 |
| Operating Temperature | -40?C ~ 125?C (TJ) |
| Output Configuration | Positive |
| Output Type | Transistor Driver |
| Package | Tube |
| Package / Case | 20-TSSOP (0.173", 4.40mm Width) Exposed Pad |
| Product Status | Active |
| Serial Interfaces, Series | - |
| Supplier Device Package | 20-TSSOP-EP |
| Synchronous Rectifier | Yes |
| Topology | Buck |
| Voltage - Supply (Vcc/Vdd) | 4V ~ 60V |