Datasheet Texas Instruments LM3679
| Manufacturer | Texas Instruments |
| Series | LM3679 |
3MHz, 350mA Miniature Step-Down DC-DC Converter for Ultra Low Profile Applications
Datasheets
3MHz, 350mA Mini Step-Down DC-DC Conv for Ultra Low Profile Apps (ht < 0.55mm) datasheet
PDF, 5.9 Mb, Revision: A, File published: Feb 5, 2008
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Prices
Status
| LM3679TL-1.8/NOPB | LM3679UR-1.2/NOPB | LM3679UR-1.8/NOPB | LM3679URX-1.2/NOPB | LM3679URX-1.8/NOPB | |
|---|---|---|---|---|---|
| Lifecycle Status | Active (Recommended for new designs) | Active (Recommended for new designs) | Active (Recommended for new designs) | Active (Recommended for new designs) | Active (Recommended for new designs) |
| Manufacture's Sample Availability | Yes | No | No | Yes | No |
Packaging
| LM3679TL-1.8/NOPB | LM3679UR-1.2/NOPB | LM3679UR-1.8/NOPB | LM3679URX-1.2/NOPB | LM3679URX-1.8/NOPB | |
|---|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 | 5 |
| Pin | 5 | 5 | 5 | 5 | 5 |
| Package Type | YZR | YPD | YPD | YPD | YPD |
| Industry STD Term | DSBGA | DSBGA | DSBGA | DSBGA | DSBGA |
| JEDEC Code | R-XBGA-N | R-XBGA-N | R-XBGA-N | R-XBGA-N | R-XBGA-N |
| Package QTY | 250 | 250 | 250 | 3000 | 3000 |
| Carrier | SMALL T&R | SMALL T&R | SMALL T&R | LARGE T&R | LARGE T&R |
| Device Marking | F | Z | R | Z | R |
| Width (mm) | 1.2 | ||||
| Length (mm) | 1.5 | ||||
| Thickness (mm) | .675 | .22 | .22 | .22 | .22 |
| Pitch (mm) | .5 | .5 | .5 | .5 | .5 |
| Max Height (mm) | .675 | .425 | .425 | .425 | .425 |
| Mechanical Data | Download | Download | Download | Download | Download |
Parametrics
| Parameters / Models | LM3679TL-1.8/NOPB | LM3679UR-1.2/NOPB | LM3679UR-1.8/NOPB | LM3679URX-1.2/NOPB | LM3679URX-1.8/NOPB |
|---|---|---|---|---|---|
| Control Mode | Voltage Mode | Voltage Mode | Voltage Mode | Voltage Mode | Voltage Mode |
| Duty Cycle(Max), % | 100 | 100 | 100 | 100 | 100 |
| Iout(Max), A | 0.35 | 0.35 | 0.35 | 0.35 | 0.35 |
| Iq(Typ), mA | 0.016 | 0.016 | 0.016 | 0.016 | 0.016 |
| Operating Temperature Range, C | -30 to 85 | -30 to 85 | -30 to 85 | -30 to 85 | -30 to 85 |
| Package Group | DSBGA | DSBGA | DSBGA | DSBGA | DSBGA |
| Rating | Catalog | Catalog | Catalog | Catalog | Catalog |
| Regulated Outputs | 1 | 1 | 1 | 1 | 1 |
| Special Features | Enable,Light Load Efficiency,Synchronous Rectification | Enable,Light Load Efficiency,Synchronous Rectification | Enable,Light Load Efficiency,Synchronous Rectification | Enable,Light Load Efficiency,Synchronous Rectification | Enable,Light Load Efficiency,Synchronous Rectification |
| Switching Frequency(Max), kHz | 3500 | 3500 | 3500 | 3500 | 3500 |
| Switching Frequency(Min), kHz | 2500 | 2500 | 2500 | 2500 | 2500 |
| Type | Converter | Converter | Converter | Converter | Converter |
| Vin(Max), V | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 |
| Vin(Min), V | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 |
| Vout(Max), V | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 |
| Vout(Min), V | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 |
Eco Plan
| LM3679TL-1.8/NOPB | LM3679UR-1.2/NOPB | LM3679UR-1.8/NOPB | LM3679URX-1.2/NOPB | LM3679URX-1.8/NOPB | |
|---|---|---|---|---|---|
| RoHS | Compliant | Compliant | Compliant | Compliant | Compliant |
Model Line
Series: LM3679 (5)
Manufacturer's Classification
- Semiconductors> Power Management> Non-isolated DC/DC Switching Regulator> Step-Down (Buck)> Buck Converter (Integrated Switch)
