Datasheet Texas Instruments LM21305SQ/NOPB
| Manufacturer | Texas Instruments |
| Series | LM21305 |
| Part Number | LM21305SQ/NOPB |
3-18V, 5A, Current Mode Synchronous Buck Regulator with Adjustable Frequency 28-WQFN -40 to 85
Datasheets
LM21305 3-V to 18-V, 5-A, Adjustable Frequency Synchronous Buck Converter datasheet
PDF, 1.9 Mb, Revision: G, File published: Sep 25, 2015
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Status
| Lifecycle Status | Active (Recommended for new designs) |
| Manufacture's Sample Availability | No |
Packaging
| Pin | 28 |
| Package Type | RSG |
| Industry STD Term | WQFN |
| JEDEC Code | S-PQFP-N |
| Package QTY | 1000 |
| Carrier | SMALL T&R |
| Device Marking | 21305SQ |
| Width (mm) | 5 |
| Length (mm) | 5 |
| Thickness (mm) | .75 |
| Pitch (mm) | .5 |
| Max Height (mm) | .8 |
| Mechanical Data | Download |
Parametrics
| Control Mode | Current Mode |
| Duty Cycle(Max) | 100 % |
| Iout(Max) | 5 A |
| Iq(Typ) | 9 mA |
| Operating Temperature Range | -40 to 85 C |
| Package Group | WQFN |
| Rating | Catalog |
| Regulated Outputs | 1 |
| Special Features | Enable,Frequency Synchronization,Power Good,Pre-Bias Start-Up,Synchronous Rectification |
| Switching Frequency(Max) | 1500 kHz |
| Switching Frequency(Min) | 300 kHz |
| Type | Converter |
| Vin(Max) | 18 V |
| Vin(Min) | 3 V |
| Vout(Max) | 0.6 V |
| Vout(Min) | 0.6 V |
Eco Plan
| RoHS | Compliant |
Design Kits & Evaluation Modules
- Evaluation Modules & Boards: LM21305EVM
LM21305 Evaluation Board
Lifecycle Status: Active (Recommended for new designs)
Model Line
Series: LM21305 (3)
- LM21305SQ/NOPB LM21305SQE/NOPB LM21305SQX/NOPB
Manufacturer's Classification
- Semiconductors > Power Management > Non-isolated DC/DC Switching Regulator > Step-Down (Buck) > Buck Converter (Integrated Switch)
