Description
LM27403SQE/NOPB Texas Instruments - Yeehing Electronics
3-V to 20-V voltage-mode synchronous buck controller and temperature-compensated DCR current sensing
Pricing (USD)
| Quantity | Unit Price |
| 1 — 99 | 2.23 |
| 100 — 249 | 1.954 |
| 250 — 999 | 1.37 |
| 1,000 + | 20.23 |
The above prices are for reference only.
Specifications
| Manufacturer | Texas Instruments |
| Product Category | Switching Controllers |
| RoHS | Y |
| Topology | Buck |
| Number of Outputs | 1 Output |
| Switching Frequency | 1050 kHz |
| Duty Cycle - Max | 93 % |
| Input Voltage | 3 V to 20 V |
| Output Voltage | 19 V |
| Output Current | 25 A |
| Minimum Operating Temperature | - 40 C |
| Maximum Operating Temperature | + 125 C |
| Mounting Style | SMD/SMT |
| Package / Case | WQFN-24 |
| Packaging | Reel |
| Description/Function | High performance synchronous buck controller with temperature-compensated DCR current sensing |
| Isolation | Non-Isolated |
| Operating Temperature Range | - 40 C to + 125 C |
| Series | LM27403 |
| Type | Switching |
| Brand | Texas Instruments |
| Development Kit | LM27403EVM |
| Operating Supply Current | 3.5 mA |
| Operating Supply Voltage | 3 V to 20 V |
| Product Type | Switching Controllers |
| Factory Pack Quantity | 250 |
| Subcategory | PMIC - Power Management ICs |
| Unit Weight | 0.001411 oz |
For more information, please refer to datasheet
Documents
| LM27403SQE/NOPB Datasheet |
More Information
The LM27403 is a feature-rich, easy-to-use, synchronous buck controller offering exceptional levels of integration and performance for superior efficiency in high power density, point-of-load (POL) DC-DC regulator solutions. The resistor-programmable switching frequency from 200 kHz to 1.2 MHz and integrated, high-current MOSFET gate drivers with adaptive deadtime offer flexibility to optimize solution size and maximize conversion efficiency.
