For Reference Only
| Part Number | XR77128ELB-F |
| Manufacturer | MaxLinear, Inc. |
| Category | Integrated Circuits (ICs) › DC DC Switching Controllers |
| Description | IC REG CTRLR BUCK SMBUS 44TQFN |
| Lifecycle | Active |
| RoHS | No RoHS Information |
| EDA/CAD Models | XR77128ELB-F PCB Footprint and Symbol |
| Warehouses | USA, Europe, China, Hong Kong SAR |
| Estimated Delivery | Dec 18 - Dec 22 2025(Choose Expedited Shipping) |
| Warranty | Up to 1 year [Limited-Warranty]* |
| Payment | 
|
| Shipping |  |
| Part Number: | XR77128ELB-F |
| Brand: | MaxLinear, Inc. |
| Lifecycle: | Active |
| RoHS: | Lead free / RoHS Compliant |
| Category: | Integrated Circuits (ICs) |
| Subcategory: | DC DC Switching Controllers |
| Manufacturer: | MaxLinear, Inc. |
| Product Status: | Obsolete |
| Output Type: | Transistor Driver |
| Function: | Step-Down |
| Output Configuration: | Positive |
| Topology: | Buck |
| Number of Outputs: | 4 |
| Output Phases: | 1 |
| Voltage - Supply (Vcc/Vdd): | 5.5V ~ 25V |
| Frequency - Switching: | 105kHz ~ 1.23MHz |
| Duty Cycle (Max): | - |
| Synchronous Rectifier: | Yes |
| Clock Sync: | No |
| Serial Interfaces: | I²C, SMBus |
| Control Features: | Enable |
| Operating Temperature: | -40°C ~ 125°C (TJ) |
| Mounting Type: | Surface Mount |
| Package / Case: | 44-WFQFN Exposed Pad |
| Supplier Device Package: | 44-TQFN (7x7) |
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| In Stock | 73883 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 | $13.79000 | $13.79 |
| 10 | $12.53200 | $125.32 |
| 100 | $10.64960 | $1064.96 |
| 250 | $9.71364 | $2428.41 |
| 500 | $9.08962 | $4544.81 |
| 1000 | $8.06001 | $8060.01 |
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.
