For Reference Only
| Part Number | LTC3891EFE#PBF |
| Manufacturer | Analog Devices Inc. |
| Category | Integrated Circuits (ICs) › DC DC Switching Controllers |
| Description | IC REG CTRLR BUCK 20TSSOP |
| Lifecycle | Active |
| RoHS | No RoHS Information |
| EDA/CAD Models | LTC3891EFE#PBF PCB Footprint and Symbol |
| Warehouses | USA, Europe, China, Hong Kong SAR |
| Estimated Delivery | Dec 08 - Dec 12 2025(Choose Expedited Shipping) |
| Warranty | Up to 1 year [Limited-Warranty]* |
| Payment | 
|
| Shipping |  |
| Part Number: | LTC3891EFE#PBF |
| Brand: | Analog Devices Inc. |
| Lifecycle: | Active |
| RoHS: | Lead free / RoHS Compliant |
| Category: | Integrated Circuits (ICs) |
| Subcategory: | DC DC Switching Controllers |
| Manufacturer: | Analog Devices Inc. |
| Product Status: | Active |
| Output Type: | Transistor Driver |
| Function: | Step-Down |
| Output Configuration: | Positive |
| Topology: | Buck |
| Number of Outputs: | 1 |
| Output Phases: | 1 |
| Voltage - Supply (Vcc/Vdd): | 4V ~ 60V |
| Frequency - Switching: | 105kHz ~ 835kHz, 350kHz ~ 535kHz |
| Duty Cycle (Max): | 99% |
| Synchronous Rectifier: | Yes |
| Clock Sync: | No |
| Serial Interfaces: | - |
| Control Features: | Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking |
| Operating Temperature: | -40°C ~ 125°C (TJ) |
| Mounting Type: | Surface Mount |
| Package / Case: | 20-TSSOP (0.173", 4.40mm Width) Exposed Pad |
| Supplier Device Package: | 20-TSSOP-EP |
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| In Stock | 8933 pieces - More on Order |
|---|---|
| Quote Limit | No Limit |
| Lead-Time | To be Confirmed |
| Minimum | 1 |
Warm Tips: Please fill out the form below. We will contact you as soon as possible.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1 | $8.85000 | $8.85 |
| 25 | $5.87560 | $146.89 |
| 100 | $4.85800 | $485.8 |
| 250 | $4.61512 | $1153.78 |
| 500 | $4.51100 | $2255.5 |
Due to the impact of the COVID-19,the above prices have not been updated, please resend the inquiry to us, thank you for your understanding
Please feel free to contact us for details.
