Datasheet Texas Instruments LM3477
| Manufacturer | Texas Instruments |
| Series | LM3477 |
High Efficiency High-Side N-Channel Controller for Switching Regulator
Datasheets
LM3477 High Efficiency High-Side N-Channel Controller for Switching Regulator datasheet
PDF, 1.6 Mb, Revision: K, File published: Mar 21, 2013
Extract from the document
Prices
Status
| LM3477AMM/NOPB | LM3477AMMX/NOPB | LM3477MM | LM3477MM/NOPB | LM3477MMX | LM3477MMX/NOPB | |
|---|---|---|---|---|---|---|
| Lifecycle Status | Active (Recommended for new designs) | Active (Recommended for new designs) | NRND (Not recommended for new designs) | Active (Recommended for new designs) | NRND (Not recommended for new designs) | Active (Recommended for new designs) |
| Manufacture's Sample Availability | Yes | Yes | No | Yes | No | No |
Packaging
| LM3477AMM/NOPB | LM3477AMMX/NOPB | LM3477MM | LM3477MM/NOPB | LM3477MMX | LM3477MMX/NOPB | |
|---|---|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 | 5 | 6 |
| Pin | 8 | 8 | 8 | 8 | 8 | 8 |
| Package Type | DGK | DGK | DGK | DGK | DGK | DGK |
| Industry STD Term | VSSOP | VSSOP | VSSOP | VSSOP | VSSOP | VSSOP |
| JEDEC Code | R-PDSO-G | R-PDSO-G | R-PDSO-G | R-PDSO-G | R-PDSO-G | R-PDSO-G |
| Package QTY | 1000 | 3500 | 1000 | 3500 | 3500 | |
| Carrier | SMALL T&R | LARGE T&R | SMALL T&R | SMALL T&R | LARGE T&R | LARGE T&R |
| Device Marking | S13A | S13A | S13B | S13B | S13B | S13B |
| Width (mm) | 3 | 3 | 3 | 3 | 3 | 3 |
| Length (mm) | 3 | 3 | 3 | 3 | 3 | 3 |
| Thickness (mm) | .97 | .97 | .97 | .97 | .97 | .97 |
| Pitch (mm) | .65 | .65 | .65 | .65 | .65 | .65 |
| Max Height (mm) | 1.07 | 1.07 | 1.07 | 1.07 | 1.07 | 1.07 |
| Mechanical Data | Download | Download | Download | Download | Download | Download |
Parametrics
| Parameters / Models | LM3477AMM/NOPB | LM3477AMMX/NOPB | LM3477MM | LM3477MM/NOPB | LM3477MMX | LM3477MMX/NOPB |
|---|---|---|---|---|---|---|
| Control Mode | Current Mode | Current Mode | Current Mode | Current Mode | Current Mode | Current Mode |
| Duty Cycle(Max), % | 93 | 93 | 93 | 93 | 93 | 93 |
| Iout(Max), A | 6 | 6 | 6 | 6 | 6 | 6 |
| Iq(Typ), mA | 2 | 2 | 2 | 2 | 2 | 2 |
| Number of Phases | 1 | 1 | 1 | 1 | 1 | 1 |
| Operating Temperature Range, C | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 |
| Package Group | VSSOP | VSSOP | VSSOP | VSSOP | VSSOP | VSSOP |
| Rating | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog |
| Regulated Outputs | 1 | 1 | 1 | 1 | 1 | 1 |
| Special Features | Enable | Enable | Enable | Enable | Enable | Enable |
| Switching Frequency(Max), kHz | 500 | 500 | 500 | 500 | 500 | 500 |
| Switching Frequency(Min), kHz | 500 | 500 | 500 | 500 | 500 | 500 |
| Type | Controller | Controller | Controller | Controller | Controller | Controller |
| Vin(Max), V | 35 | 35 | 35 | 35 | 35 | 35 |
| Vin(Min), V | 2.95 | 2.95 | 2.95 | 2.95 | 2.95 | 2.95 |
| Vout(Max), V | 31 | 31 | 31 | 31 | 31 | 31 |
| Vout(Min), V | 1.265 | 1.265 | 1.265 | 1.265 | 1.265 | 1.265 |
Eco Plan
| LM3477AMM/NOPB | LM3477AMMX/NOPB | LM3477MM | LM3477MM/NOPB | LM3477MMX | LM3477MMX/NOPB | |
|---|---|---|---|---|---|---|
| RoHS | Compliant | Compliant | Not Compliant | Compliant | See ti.com | Compliant |
Application Notes
- Reduce buck-converter EMI and voltage stress by minimizing inductive parasiticsPDF, 926 Kb, File published: Jul 21, 2016
Model Line
Series: LM3477 (6)
Manufacturer's Classification
- Semiconductors> Power Management> Non-isolated DC/DC Switching Regulator> Step-Down (Buck)> Buck Controller (External Switch)
