For Reference Only
| Part Number | LM51551DSST |
| LIXINC Part # | LM51551DSST |
| Manufacturer | Texas Instruments |
| Category | Integrated Circuits › PMIC - Voltage Regulators - DC DC Switching Controllers |
| Description | 2.2MHZ WIDE VIN NON-SYNCHRONOUS |
| Lifecycle | Active |
| RoHS | No RoHS Information |
| EDA/CAD Models | LM51551DSST PCB Footprint and Symbol |
| Warehouses | USA, Europe, China, Hong Kong SAR |
| Estimated Delivery | Jan 26 - Jan 30 2026(Choose Expedited Shipping) |
| Warranty | Up to 1 year [Limited-Warranty]* |
| Payment |
|
| Shipping | ![]() |
| Part Number: | LM51551DSST |
| Brand: | Texas Instruments |
| Lifecycle: | Active |
| RoHS: | Lead free / RoHS Compliant |
| Category: | Integrated Circuits |
| Subcategory: | PMIC - Voltage Regulators - DC DC Switching Controllers |
| Manufacturer: | Texas Instruments |
| Series: | - |
| Package: | Tape & Reel (TR)Cut Tape (CT) |
| Part Status: | Active |
| Output Type: | Transistor Driver |
| Function: | Step-Up, Step-Up/Step-Down |
| Output Configuration: | Positive |
| Topology: | Boost, Flyback, SEPIC |
| Number of Outputs: | 1 |
| Output Phases: | 1 |
| Voltage - Supply (Vcc/Vdd): | 2.97V ~ 45V |
| Frequency - Switching: | 100kHz ~ 2.2MHz |
| Duty Cycle (Max): | 96% |
| Synchronous Rectifier: | No |
| Clock Sync: | Yes |
| Serial Interfaces: | - |
| Control Features: | Soft Start |
| Operating Temperature: | -40°C ~ 125°C (TJ) |
| Mounting Type: | Surface Mount |
| Package / Case: | 12-WFDFN Exposed Pad |
| Supplier Device Package: | 12-WSON (3x2) |
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| In Stock | 11211 - More on Order |
|---|---|
| Quote Limit | No Limit |
| Lead-Time | To be Confirmed |
| Minimum | 1 |
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1 | $2.37000 | $2.37 |
| 250 | $1.51800 | $379.5 |
| 500 | $1.32826 | $664.13 |
| 1250 | $1.10055 | $1375.6875 |
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