Datasheet Texas Instruments TPS62849DLCR — 数据表
| 制造商 | Texas Instruments |
| 系列 | TPS62840 |
| 零件号 | TPS62849DLCR |
60nA IQ，1.8V至6.5VIN，高效750mA降压转换器8-VSON-HR -40至125
数据表
TPS62840 1.8-V to 6.5-V, 750-mA, 60-nA IQ Step-Down Converter datasheet
PDF, 18.8 Mb, 档案已发布: Sep 7, 2017
价格
状态
| Lifecycle Status | Preview (Device has been announced but is not in production. Samples may or may not be available) |
| Manufacture's Sample Availability | No |
打包
| Pin | 8 |
| Package Type | DLC |
| Industry STD Term | VSON-HR |
| JEDEC Code | R-PSSO-N |
| Package QTY | 3000 |
| Carrier | LARGE T&R |
| Device Marking | FF |
| Width (mm) | 1.5 |
| Length (mm) | 2 |
| Thickness (mm) | 0.9 |
| Pitch (mm) | 0.5 |
| Max Height (mm) | 1 |
| Mechanical Data | 下载 |
参数化
| Approx. price | 0.85 | 1ku US$ |
| Control mode | DCS-Control |
| Duty cycle(Max) | 100 % |
| Features | Enable,Fixed Output,Forced PWM,Light Load Efficiency,Output Discharge,Over Current Protection,Soft Start Fixed,Synchronous Rectification,UVLO Fixed |
| Iout(Max) | 0.75 A |
| Iq(Typ) | 0.00006 mA |
| Operating temperature range | -40 to 125 C |
| Package Group | DSBGA|6,VSON-HR|8 |
| Package size: mm2:W x L | See datasheet (DSBGA),8VSON-HR: 3 mm2: 1.5 x 2 (VSON-HR|8) PKG |
| Rating | Catalog |
| Regulated outputs | 1 |
| Switching frequency(Max) | 1800 kHz |
| Switching frequency(Min) | 1800 kHz |
| Switching frequency(Typ) | 1800 kHz |
| Type | Converter |
| Vin(Max) | 6.5 V |
| Vin(Min) | 1.8 V |
| Vout(Max) | 3.6 V |
| Vout(Min) | 0.8 V |
生态计划
| RoHS | Compliant |
| Pb Free | Yes |
设计套件和评估模块
- Evaluation Modules & Boards: TPS62840-1DLCEVM55
60-nA IQ; QFN package; high-efficiency 750-mA step-down converters evaluation module (2 circuits)
Lifecycle Status: Active (Recommended for new designs) - Evaluation Modules & Boards: TPS62840-1YBGEVM56
60-nA IQ; WCSP package; high-efficiency 750-mA step-down converters evaluation module (2 circuits)
Lifecycle Status: Active (Recommended for new designs)
应用须知
- Accurately measuring efficiency of ultralow-IQ devicesPDF, 254 Kb, 档案已发布: Jan 22, 2014
- How to Measure the Control Loop of DCS-Control Devices (Rev. A)PDF, 259 Kb, 修订版: A, 档案已发布: Aug 9, 2012
- High-efficiency low-ripple DCS-Control offers seamless PWM/pwr-save transitionsPDF, 605 Kb, 档案已发布: Jul 25, 2013
- Understanding frequency variation in the DCS-Control(TM) topologyPDF, 224 Kb, 档案已发布: Oct 30, 2015
- A Topical Index of TI Low Power Buck DC/DC Application NotesPDF, 69 Kb, 档案已发布: Jan 17, 2018
- Five steps to a great PCB layout for a step-down converterPDF, 162 Kb, 档案已发布: Jan 29, 2015
- Understanding the Absolute Maximum Ratings of the SW Node (Rev. A)PDF, 755 Kb, 修订版: A, 档案已发布: Jan 13, 2012
- Achieving a clean startup by using a DC/DC converter with a precise enable-pin tPDF, 532 Kb, 档案已发布: Oct 24, 2017
- Choosing an Appropriate Pull-up/Pull-down Resistor for Open Drain OutputsPDF, 130 Kb, 档案已发布: Sep 19, 2011
- Testing tips for applying external power to supply outputs without an input voltPDF, 110 Kb, 档案已发布: Oct 24, 2016
- Basic Calculation of a Buck Converter's Power Stage (Rev. B)PDF, 202 Kb, 修订版: B, 档案已发布: Aug 17, 2015
- Understanding 100% mode in low-power DC/DC convertersPDF, 527 Kb, 档案已发布: Jun 22, 2018
- IQ: What it is what it isn’t and how to use itPDF, 198 Kb, 档案已发布: Jun 17, 2011
- Performing Accurate PFM Mode Efficiency Measurements (Rev. A)PDF, 418 Kb, 修订版: A, 档案已发布: 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. - QFN and SON PCB Attachment (Rev. B)PDF, 821 Kb, 修订版: B, 档案已发布: Aug 24, 2018
模型线
系列: TPS62840 (9)
制造商分类
- Semiconductors > Analog and Mixed-Signal > Power management > DC/DC switching regulators > Step-down (buck) > Buck converters (integrated switch)