Datasheet Texas Instruments LM5121-Q1
| Manufacturer | Texas Instruments |
| Series | LM5121-Q1 |
Automotive Grade, 3-65V Wide Vin, Current Mode Synchronous Boost with Disconnection Switch Control
Datasheets
LM5121/-Q1 Wide Input Synchronous Boost Controller with Disconnection Switch Control datasheet
PDF, 3.0 Mb, Revision: C, File published: Jun 14, 2016
Extract from the document
Prices
Status
| LM5121QMH/NOPB | LM5121QMHE/NOPB | LM5121QMHX/NOPB | |
|---|---|---|---|
| Lifecycle Status | Active (Recommended for new designs) | Active (Recommended for new designs) | Active (Recommended for new designs) |
| Manufacture's Sample Availability | Yes | No | No |
Packaging
| LM5121QMH/NOPB | LM5121QMHE/NOPB | LM5121QMHX/NOPB | |
|---|---|---|---|
| N | 1 | 2 | 3 |
| Pin | 20 | 20 | 20 |
| Package Type | PWP | PWP | PWP |
| Industry STD Term | HTSSOP | HTSSOP | HTSSOP |
| JEDEC Code | R-PDSO-G | R-PDSO-G | R-PDSO-G |
| Package QTY | 73 | 250 | 2500 |
| Carrier | TUBE | SMALL T&R | LARGE T&R |
| Device Marking | LM5121 | QMH | LM5121 |
| Width (mm) | 4.4 | 4.4 | 4.4 |
| Length (mm) | 6.5 | 6.5 | 6.5 |
| Thickness (mm) | 1 | 1 | 1 |
| Pitch (mm) | .65 | .65 | .65 |
| Max Height (mm) | 1.2 | 1.2 | 1.2 |
| Mechanical Data | Download | Download | Download |
Parametrics
| Parameters / Models | LM5121QMH/NOPB | LM5121QMHE/NOPB | LM5121QMHX/NOPB |
|---|---|---|---|
| Duty Cycle(Max), % | 100 | 100 | 100 |
| Iout(Max), A | 20 | 20 | 20 |
| Iq(Typ), mA | 4 | 4 | 4 |
| Operating Temperature Range, C | -40 to 125 | -40 to 125 | -40 to 125 |
| Package Group | HTSSOP | HTSSOP | HTSSOP |
| Rating | Automotive | Automotive | Automotive |
| Regulated Outputs | 1 | 1 | 1 |
| Special Features | Enable,Frequency Synchronization | Enable,Frequency Synchronization | Enable,Frequency Synchronization |
| Switch Current Limit(Typ), A | 20 | 20 | 20 |
| Switching Frequency(Max), kHz | 1000 | 1000 | 1000 |
| Switching Frequency(Min), kHz | 50 | 50 | 50 |
| Type | Controller | Controller | Controller |
| Vin(Max), V | 65 | 65 | 65 |
| Vin(Min), V | 3 | 3 | 3 |
| Vout(Max), V | 100 | 100 | 100 |
| Vout(Min), V | 3 | 3 | 3 |
Eco Plan
| LM5121QMH/NOPB | LM5121QMHE/NOPB | LM5121QMHX/NOPB | |
|---|---|---|---|
| RoHS | Compliant | 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: LM5121-Q1 (3)
Manufacturer's Classification
- Semiconductors> Power Management> Non-isolated DC/DC Switching Regulator> Step-Up (Boost)> Boost Controller (External Switch)
