Datasheet Texas Instruments LM27403SQ/NOPB
| Manufacturer | Texas Instruments |
| Series | LM27403 |
| Part Number | LM27403SQ/NOPB |
3-20V, Voltage Mode Synchronous Buck Controller with Temperature-Compensated DCR Current Sensing 24-WQFN -40 to 125
Datasheets
LM27403 Synchronous Buck Controller With Temperature-Compensated, Inductor-DCR-Based Overcurrent Protection and Programmable Thermal Shutdown datasheet
PDF, 1.8 Mb, Revision: B, File published: Sep 12, 2014
Extract from the document
Status
| Lifecycle Status | Active (Recommended for new designs) |
| Manufacture's Sample Availability | Yes |
Packaging
| Pin | 24 |
| Package Type | RTW |
| Industry STD Term | WQFN |
| JEDEC Code | S-PQFP-N |
| Package QTY | 1000 |
| Carrier | LARGE T&R |
| Device Marking | L27403 |
| Width (mm) | 4 |
| Length (mm) | 4 |
| Thickness (mm) | .75 |
| Pitch (mm) | .5 |
| Max Height (mm) | .8 |
| Mechanical Data | Download |
Parametrics
| Control Mode | Voltage Mode |
| Duty Cycle(Max) | 93 % |
| Iout(Max) | 30 A |
| Iq(Typ) | 3.5 mA |
| Number of Phases | 1 |
| Operating Temperature Range | -40 to 125 C |
| Package Group | WQFN |
| Rating | Catalog |
| Regulated Outputs | 1 |
| Special Features | Enable,Frequency Synchronization,Power Good,Pre-Bias Start-Up,Remote Sense,Synchronous Rectification,Tracking |
| Switching Frequency(Max) | 1200 kHz |
| Switching Frequency(Min) | 200 kHz |
| Type | Controller |
| Vin(Max) | 20 V |
| Vin(Min) | 3 V |
| Vout(Max) | 19 V |
| Vout(Min) | 0.6 V |
Eco Plan
| RoHS | Compliant |
Design Kits & Evaluation Modules
- Evaluation Modules & Boards: LM27403EVM-POL600
Evaluation Module - LM27403 600kHz High Power Density POL
Lifecycle Status: Active (Recommended for new designs) - Evaluation Modules & Boards: LM27403EVM
LM27403 High Efficiency 12V to 1.2V/25A Buck Eval Kit With Temp Compensated DCR Current Sensing
Lifecycle Status: Active (Recommended for new designs)
Application Notes
- Reduce buck-converter EMI and voltage stress by minimizing inductive parasiticsPDF, 926 Kb, File published: Jul 21, 2016
Model Line
Series: LM27403 (3)
- LM27403SQ/NOPB LM27403SQE/NOPB LM27403SQX/NOPB
Manufacturer's Classification
- Semiconductors > Power Management > Non-isolated DC/DC Switching Regulator > Step-Down (Buck) > Buck Controller (External Switch)