Datasheet Texas Instruments LMZ31503RUQT
| Manufacturer | Texas Instruments |
| Series | LMZ31503 |
| Part Number | LMZ31503RUQT |
SIMPLE SWITCHER® 4.5V to 14.5V, 3A Power Module in Small QFN Package 47-B1QFN -40 to 85
Datasheets
LMZ31503 3-A SIMPLE SWITCHERВ® Power Module with 4.5V-14.5V Input in QFN Package datasheet
PDF, 1.1 Mb, Revision: A, File published: Jun 6, 2017
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Status
| Lifecycle Status | Active (Recommended for new designs) |
| Manufacture's Sample Availability | Yes |
Packaging
| Pin | 47 | 47 |
| Package Type | RUQ | RUQ |
| Industry STD Term | B1QFN | B1QFN |
| JEDEC Code | R-PQFP-N | R-PQFP-N |
| Package QTY | 250 | 250 |
| Carrier | SMALL T&R | SMALL T&R |
| Device Marking | LMZ31503 | 54320 |
| Width (mm) | 9 | 9 |
| Length (mm) | 15 | 15 |
| Thickness (mm) | 2.8 | 2.8 |
| Pitch (mm) | .9 | .9 |
| Max Height (mm) | 2.9 | 2.9 |
| Mechanical Data | Download | Download |
Parametrics
| Iout(Max) | 3 A |
| Operating Temperature Range | -40 to 85 C |
| Package Size: mm2:W x L | 47B1QFN: 135 mm2: 9 x 15(B1QFN) PKG |
| Package Type | QFN |
| Regulated Outputs | 1 |
| Soft Start | Adjustable |
| Special Features | EMI Tested,Enable,Frequency Synchronization,Power Good,Remote Sense,Tracking |
| Switching Frequency(Max) | 780 kHz |
| Switching Frequency(Min) | 330 kHz |
| Switching Frequency(Typ) | 500 kHz |
| Vin(Max) | 14.5 V |
| Vin(Min) | 4.5 V |
| Vout(Max) | 5.5 V |
| Vout(Min) | 0.8 V |
Eco Plan
| RoHS | Not Compliant |
Design Kits & Evaluation Modules
- Evaluation Modules & Boards: LMZ31503EVM-692
SIMPLE SWITCHERВ® 3A Synchronous Buck Power Module Evaluation Board
Lifecycle Status: Active (Recommended for new designs)
Application Notes
- Powering LMZ3 SIMPLE SWITCHER Power Modules From 3.3 VPDF, 38 Kb, File published: Jul 2, 2013
LMZ31503 Powering LMZ3 SIMPLE SWITCHERВ® Power Modules from 3.3V - Adjusting LMZ3 Output Voltage with LM10010/1PDF, 87 Kb, File published: Feb 11, 2014
ThisapplicationnoteoutlinesthemethodstopairanLMZ3powermodulewithanLM10010/1VIDvoltageprogrammertoadjusttheoutputvoltage.TheLMZ3powermoduleisaneasy-to-useintegratedpowersolutionwhichcombinesaDC/DCconverterwithpowerMOSFETs,ashieldedinductor,andpassivecomponentsintoalowprofileQFNpackage,whilest - Working With QFN Power Modules (Rev. A)PDF, 1.7 Mb, Revision: A, File published: Jun 8, 2017
TexasInstrumentsQuadFlatpackNo-lead(QFN)powermodulesallowfor boardminiaturization,and holdseveraladvantagesoverotherpowermodulepackages.The QFNpackageshavehigherpowerdensity,asmallerroutingarea,improvedthermalperformance,and improvedelectricalparasitics.Additionally,theabsenceof externalleadseliminatesbent-leadconc - Soldering Requirements for BQFN Packages (Rev. B)PDF, 737 Kb, Revision: B, File published: Jun 8, 2017
This documentoutlinesthe solderingrequirementsfor the TPS84and LMZ3devicefamilies - Understanding and Applying Current-Mode Control TheoryPDF, 409 Kb, File published: Aug 19, 2007
- AN-643 EMI/RFI Board Design (Rev. B)PDF, 742 Kb, Revision: B, File published: May 3, 2004
Application Note 643 EMI/RFI Board Design - AN-1889 How to Measure the Loop Transfer Function of Power Supplies (Rev. A)PDF, 2.7 Mb, Revision: A, File published: Apr 23, 2013
This application report shows how to measure the critical points of a bode plot with only an audiogenerator (or simple signal generator) and an oscilloscope. The method is explained in an easy to followstep-by-step manner so that a power supply designer can start performing these measurements in a shortamount of time. - QFN and SON PCB Attachment (Rev. B)PDF, 821 Kb, Revision: B, File published: Aug 24, 2018
Model Line
Series: LMZ31503 (2)
- LMZ31503RUQR LMZ31503RUQT
Manufacturer's Classification
- Semiconductors > Power Management > Power Modules > Non-Isolated Module > Step-Down (Buck) Module
