Datasheet Texas Instruments LM5141
| Manufacturer | Texas Instruments |
| Series | LM5141 |
Low Iq, Wide Input Range Synchronous Buck Controller
Datasheets
LM5141 Wide Input Range Synchronous Buck Controller datasheet
PDF, 2.8 Mb, File published: Feb 2, 2017
Extract from the document
Status
| LM5141RGER | LM5141RGET | |
|---|---|---|
| Lifecycle Status | Active (Recommended for new designs) | Active (Recommended for new designs) |
| Manufacture's Sample Availability | Yes | No |
Packaging
| LM5141RGER | LM5141RGET | |
|---|---|---|
| N | 1 | 2 |
| Pin | 24 | 24 |
| Package Type | RGE | RGE |
| Industry STD Term | VQFN | VQFN |
| JEDEC Code | S-PQFP-N | S-PQFP-N |
| Package QTY | 3000 | 250 |
| Carrier | LARGE T&R | SMALL T&R |
| Device Marking | LM | 5141 |
| Width (mm) | 4 | 4 |
| Length (mm) | 4 | 4 |
| Thickness (mm) | .88 | .88 |
| Pitch (mm) | .5 | .5 |
| Max Height (mm) | 1 | 1 |
| Mechanical Data | Download | Download |
Parametrics
| Parameters / Models | LM5141RGER | LM5141RGET |
|---|---|---|
| Control Mode | Current Mode | Current Mode |
| Duty Cycle(Max), % | 99 | 99 |
| Iout(Max), A | 20 | 20 |
| Iq(Typ), mA | 0.035 | 0.035 |
| Number of Phases | 1 | 1 |
| Operating Temperature Range, C | -40 to 125 | -40 to 125 |
| Package Group | VQFN | VQFN |
| Rating | Catalog | Catalog |
| Regulated Outputs | 1 | 1 |
| Special Features | Adjustable Current Limit,Enable,Frequency Synchronization,Light Load Efficiency,Power Good,Pre-Bias Start-Up,Spread Spectrum,Synchronous Rectification,UVLO Fixed | Adjustable Current Limit,Enable,Frequency Synchronization,Light Load Efficiency,Power Good,Pre-Bias Start-Up,Spread Spectrum,Synchronous Rectification,UVLO Fixed |
| Switching Frequency(Max), kHz | 2600 | 2600 |
| Switching Frequency(Min), kHz | 350 | 350 |
| Type | Controller | Controller |
| Vin(Max), V | 65 | 65 |
| Vin(Min), V | 3.8 | 3.8 |
| Vout(Max), V | 15 | 15 |
| Vout(Min), V | 1.5 | 1.5 |
Eco Plan
| LM5141RGER | LM5141RGET | |
|---|---|---|
| RoHS | Compliant | Compliant |
Application Notes
- Designing the front-end DC/DC conversion stage to withstand automotive transientPDF, 336 Kb, File published: Jan 18, 2017
Model Line
Series: LM5141 (2)
Manufacturer's Classification
- Semiconductors> Power Management> Non-isolated DC/DC Switching Regulator> Step-Down (Buck)> Buck Controller (External Switch)