For Reference Only
| Part Number | LM27403SQ/NOPB |
| LIXINC Part # | LM27403SQ/NOPB |
| Manufacturer | Texas Instruments |
| Category | Integrated Circuits › PMIC - Voltage Regulators - DC DC Switching Controllers |
| Description | IC REG CTRLR BUCK 24WQFN |
| Lifecycle | Active |
| RoHS | No RoHS Information |
| EDA/CAD Models | LM27403SQ/NOPB PCB Footprint and Symbol |
| Warehouses | USA, Europe, China, Hong Kong SAR |
| Estimated Delivery | Jan 25 - Jan 29 2026(Choose Expedited Shipping) |
| Warranty | Up to 1 year [Limited-Warranty]* |
| Payment |
|
| Shipping | ![]() |
| Part Number: | LM27403SQ/NOPB |
| 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-Down |
| Output Configuration: | Positive |
| Topology: | Buck |
| Number of Outputs: | 1 |
| Output Phases: | 1 |
| Voltage - Supply (Vcc/Vdd): | 3V ~ 20V |
| Frequency - Switching: | 200kHz ~ 1.2MHz |
| Duty Cycle (Max): | 93% |
| Synchronous Rectifier: | Yes |
| Clock Sync: | Yes |
| Serial Interfaces: | - |
| Control Features: | Enable, Frequency Control, Power Good, Soft Start, Tracking |
| Operating Temperature: | -40°C ~ 125°C (TJ) |
| Mounting Type: | Surface Mount |
| Package / Case: | 24-WFQFN Exposed Pad |
| Supplier Device Package: | 24-WQFN (4x4) |
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| In Stock | 11225 - More on Order |
|---|---|
| Quote Limit | No Limit |
| Lead-Time | To be Confirmed |
| Minimum | 1 |
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1 | $2.61000 | $2.61 |
| 1000 | $1.21220 | $1212.2 |
| 2000 | $1.12860 | $2257.2 |
| 5000 | $1.08680 | $5434 |
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