Datasheet Texas Instruments TPS61121RSAR — Datenblatt
| Hersteller | Texas Instruments |
| Serie | TPS61121 |
| Artikelnummer | TPS61121RSAR |
95% effizienter 3,3-V-Aufwärtswandler mit 1,5-V-200-mA-LDO für 1-Zellen-LiIon- oder Dual-Cell-Anwendungen 16-QFN -40 bis 85
Datenblätter
TPS6112x Synchronous Boost Converter With 1.1-A Switch and Integrated LDO datasheet
PDF, 1.5 Mb, Revision: D, Datei veröffentlicht: May 28, 2015
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Preise
Status
| Lifecycle Status | Obsolete (Manufacturer has discontinued the production of the device) |
| Manufacture's Sample Availability | No |
Verpackung
| Pin | 16 | 16 |
| Package Type | RSA | RSA |
| Industry STD Term | VQFN | VQFN |
| JEDEC Code | S-PQFP-N | S-PQFP-N |
| Device Marking | 1121 | TPS6 |
| Width (mm) | 4 | 4 |
| Length (mm) | 4 | 4 |
| Thickness (mm) | .9 | .9 |
| Pitch (mm) | .65 | .65 |
| Max Height (mm) | 1 | 1 |
| Mechanical Data | Herunterladen | Herunterladen |
Parameter
| Approx. Price (US$) | 2.00 | 1ku |
| Duty Cycle(Max)(%) | 100 |
| Iq(Typ)(mA) | 0.04 |
| Operating Temperature Range(C) | -40 to 85 |
| Package Group | TSSOP |
| Rating | Catalog |
| Regulated Outputs(#) | 2 |
| Special Features | Enable Light Load Efficiency Load Disconnect Power Good |
| Switch Current Limit(Min)(A) | 1.1 |
| Switch Current Limit(Typ)(A) | 1.6 |
| Switching Frequency(Max)(kHz) | 600 |
| Switching Frequency(Min)(kHz) | 400 |
| Type | Converter |
| Vin(Max)(V) | 5.5 |
| Vin(Min)(V) | 1.8 |
| Vout(Max)(V) | 3.3 |
| Vout(Min)(V) | 3.3 |
Öko-Plan
| RoHS | Not Compliant |
| Pb Free | No |
Design Kits und Evaluierungsmodule
- Evaluation Modules & Boards: TPS61121EVM-205
TPS61121 Evaluation Module
Lifecycle Status: Active (Recommended for new designs) - Evaluation Modules & Boards: TPS61120EVM-205
TPS61120 Evaluation Module
Lifecycle Status: Active (Recommended for new designs) - Evaluation Modules & Boards: TPS61122EVM-205
TPS61122 Evaluation Module
Lifecycle Status: Active (Recommended for new designs)
Anwendungshinweise
- Minimizing Ringing at the Switch Node of a Boost ConverterPDF, 201 Kb, Datei veröffentlicht: Sep 15, 2006
The application report explains how to use proper board layout and/or a snubber to reduce high-frequency ringing at the switch node of a boost converter. - Basic Calculation of a Boost Converter's Power Stage (Rev. C)PDF, 186 Kb, Revision: C, Datei veröffentlicht: Jan 8, 2014
This application note gives the equations to calculate the power stage of a boost converter built with an IC with integrated switch and operating in continuous conduction mode. It is not intended to give details on the functionality of a boost converter (see Reference 1) or how to compensate a converter. See the references at the end of this document if more detail is needed. - Optimizing Transient Response of Internally Compensated DC-DC Converters (Rev. A)PDF, 1.1 Mb, Revision: A, Datei veröffentlicht: May 11, 2015
- Choosing an Appropriate Pull-up/Pull-down Resistor for Open Drain OutputsPDF, 130 Kb, Datei veröffentlicht: Sep 19, 2011
- Extending the Soft Start Time Without a Soft Start Pin (Rev. B)PDF, 387 Kb, Revision: B, Datei veröffentlicht: Jun 15, 2017
- IQ: What it is what it isn’t and how to use itPDF, 198 Kb, Datei veröffentlicht: Jun 17, 2011
- Performing Accurate PFM Mode Efficiency Measurements (Rev. A)PDF, 418 Kb, Revision: A, Datei veröffentlicht: Dec 11, 2018
When performing measurements on DC-DC converters using pulse frequency modulation(PFM)or any power save mode proper care must be taken to ensure that the measurements are accurate. An accurate PFM mode efficiency measurement is critical for systems which require high efficiency at low loads such as in smart home systems tablets wearables and metering. - LDO PSRR Measurement Simplified (Rev. A)PDF, 131 Kb, Revision: A, Datei veröffentlicht: Aug 9, 2017
This applicationreportexplainsdifferentmethodsof measuringthe PowerSupplyRejectionRatio(PSRR)of a Low-Dropout(LDO)regulatorand includesthe prosand consof thesemeasuringmethods - LDO Noise Demystified (Rev. A)PDF, 785 Kb, Revision: A, Datei veröffentlicht: Aug 9, 2017
Thisapplicationreportexplainsthe differencebetweennoiseand PSRRof an LDO.It also explainsthedifferentwaysnoiseis specifiedin LDOdatasheetsandwhichspecificationshouldbe usedin theapplication.Finallyit explainshow LDOnoiseis reduced.
Modellreihe
Serie: TPS61121 (4)
- TPS61121PW TPS61121PWG4 TPS61121RSAR TPS61121RSARG4
Herstellerklassifikation
- Semiconductors > Power Management > Non-isolated DC/DC Switching Regulator > Step-Up (Boost) > Boost Converter (Integrated Switch)