Datasheet Texas Instruments LM2640
| Manufacturer | Texas Instruments |
| Series | LM2640 |
Dual Adjustable Step-Down Switching Power Supply Controller
Datasheets
LM2640 Dual Adjustable Step-Down Switching Power Supply Controller datasheet
PDF, 1.4 Mb, Revision: B, File published: Apr 3, 2013
Extract from the document
Prices
Status
| LM2640MTC-ADJ/NOPB | LM2640MTCX-ADJ/NOPB | |
|---|---|---|
| Lifecycle Status | Active (Recommended for new designs) | Active (Recommended for new designs) |
| Manufacture's Sample Availability | No | Yes |
Packaging
| LM2640MTC-ADJ/NOPB | LM2640MTCX-ADJ/NOPB | |
|---|---|---|
| N | 1 | 2 |
| Pin | 28 | 28 |
| Package Type | PW | PW |
| Industry STD Term | TSSOP | TSSOP |
| JEDEC Code | R-PDSO-G | R-PDSO-G |
| Package QTY | 48 | 2500 |
| Carrier | TUBE | LARGE T&R |
| Device Marking | LM2640M | TC-ADJ |
| Width (mm) | 4.4 | 4.4 |
| Length (mm) | 9.7 | 9.7 |
| Thickness (mm) | 1 | 1 |
| Pitch (mm) | .65 | .65 |
| Max Height (mm) | 1.2 | 1.2 |
| Mechanical Data | Download | Download |
Parametrics
| Parameters / Models | LM2640MTC-ADJ/NOPB | LM2640MTCX-ADJ/NOPB |
|---|---|---|
| Control Mode | Current Mode | Current Mode |
| Duty Cycle(Max), % | 98 | 98 |
| Iout(Max), A | 5 | 5 |
| Iq(Typ), mA | 0.6 | 0.6 |
| Number of Phases | 2 | 2 |
| Operating Temperature Range, C | 0 to 125 | 0 to 125 |
| Package Group | TSSOP | TSSOP |
| Rating | Catalog | Catalog |
| Regulated Outputs | 3 | 3 |
| Special Features | Enable,Frequency Synchronization,Light Load Efficiency | Enable,Frequency Synchronization,Light Load Efficiency |
| Switching Frequency(Max), kHz | 400 | 400 |
| Switching Frequency(Min), kHz | 200 | 200 |
| Type | Controller | Controller |
| Vin(Max), V | 30 | 30 |
| Vin(Min), V | 5.5 | 5.5 |
| Vout(Max), V | 6 | 6 |
| Vout(Min), V | 2.2 | 2.2 |
Eco Plan
| LM2640MTC-ADJ/NOPB | LM2640MTCX-ADJ/NOPB | |
|---|---|---|
| RoHS | Compliant | Compliant |
Model Line
Series: LM2640 (2)
Manufacturer's Classification
- Semiconductors> Power Management> Non-isolated DC/DC Switching Regulator> Step-Down (Buck)> Buck Controller (External Switch)
