Datasheet Texas Instruments LM2742
| Manufacturer | Texas Instruments |
| Series | LM2742 |
2.2-16V, Voltage Mode Synchronous Buck Controller with Adjustable Soft Start
Datasheets
LM2742 N-Chan FET Synch Buck Reg Cntrlr for Low Output Voltages datasheet
PDF, 1.4 Mb, Revision: C, File published: Mar 28, 2013
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Status
| LM2742MTC/NOPB | LM2742MTCX/NOPB | |
|---|---|---|
| Lifecycle Status | Active (Recommended for new designs) | Active (Recommended for new designs) |
| Manufacture's Sample Availability | Yes | Yes |
Packaging
| LM2742MTC/NOPB | LM2742MTCX/NOPB | |
|---|---|---|
| N | 1 | 2 |
| Pin | 14 | 14 |
| Package Type | PW | PW |
| Industry STD Term | TSSOP | TSSOP |
| JEDEC Code | R-PDSO-G | R-PDSO-G |
| Package QTY | 94 | 2500 |
| Carrier | TUBE | LARGE T&R |
| Device Marking | MTC | MTC |
| Width (mm) | 4.4 | 4.4 |
| Length (mm) | 5 | 5 |
| Thickness (mm) | 1 | 1 |
| Pitch (mm) | .65 | .65 |
| Max Height (mm) | 1.2 | 1.2 |
| Mechanical Data | Download | Download |
Parametrics
| Parameters / Models | LM2742MTC/NOPB | LM2742MTCX/NOPB |
|---|---|---|
| Control Mode | Voltage Mode | Voltage Mode |
| Duty Cycle(Max), % | 90 | 90 |
| Iout(Max), A | 20 | 20 |
| Iq(Typ), mA | 1.5 | 1.5 |
| Number of Phases | 1 | 1 |
| Operating Temperature Range, C | -40 to 125 | -40 to 125 |
| Package Group | TSSOP | TSSOP |
| Rating | Catalog | Catalog |
| Regulated Outputs | 1 | 1 |
| Special Features | Enable,Power Good,Synchronous Rectification | Enable,Power Good,Synchronous Rectification |
| Switching Frequency(Max), kHz | 2000 | 2000 |
| Switching Frequency(Min), kHz | 50 | 50 |
| Type | Controller | Controller |
| Vin(Max), V | 16 | 16 |
| Vin(Min), V | 2.2 | 2.2 |
| Vout(Max), V | 13.5 | 13.5 |
| Vout(Min), V | 0.6 | 0.6 |
Eco Plan
| LM2742MTC/NOPB | LM2742MTCX/NOPB | |
|---|---|---|
| RoHS | Compliant | Compliant |
Application Notes
- Automated Frequency Response AnalyzerPDF, 939 Kb, File published: Oct 9, 2013
This application report discusses a new method of doing stability Analysis testing by using basic labequipment, while not requiring any specific instruments. - AN-1603 LM274X Reference Designs (Rev. C)PDF, 222 Kb, Revision: C, File published: May 1, 2013
This application note presents several reference designs that implement the LM274X synchronous buckcontroller. The designs address various applications in a wide variety of configurations. The designreference will give an engineer a head start on their project, with designs encompassing sequencing,tracking, synchronizing multiple power supplies, DDR termination, buck-boost, low PCB real esta - Current Limit Foldback Improves Short Circuit Protection in LM274X Family (Rev. B)PDF, 89 Kb, Revision: B, File published: Apr 23, 2013
This application report discusses the function of the low side current limit used in the LM274X, andpresents a simple method to enhance the short-circuit protection. the current limit is required to protect thepower components from thermal stress, which can reduce life span. Typically, high side current limitdesigns require an internal rising edge blanking time or external filter to avoid no - Optmiz Pwr Cntrlr Dsigns thru Utiliz Freq & Sync, Ext Ref, Trking & Precis ENPDF, 359 Kb, File published: Apr 24, 2008
- Reduce buck-converter EMI and voltage stress by minimizing inductive parasiticsPDF, 926 Kb, File published: Jul 21, 2016
- Power Management Considerations for FPGAs and ASICsPDF, 745 Kb, File published: Mar 22, 2007
Model Line
Series: LM2742 (2)
Manufacturer's Classification
- Semiconductors> Power Management> Non-isolated DC/DC Switching Regulator> Step-Down (Buck)> Buck Controller (External Switch)
