Datasheet Texas Instruments TPS62171DSGR — 数据表
| 制造商 | Texas Instruments |
| 系列 | TPS62171 |
| 零件号 | TPS62171DSGR |
采用2x2 QFN封装的3×17V 0.5A降压转换器8-WSON -40至125
数据表
TPS6217x 3-V to 17-V, 0.5-A Step-Down Converters with DCS-Controlв„ў datasheet
PDF, 2.9 Mb, 修订版: E, 档案已发布: May 10, 2017
从文件中提取
价格
状态
| Lifecycle Status | Active (Recommended for new designs) |
| Manufacture's Sample Availability | No |
打包
| Pin | 8 |
| Package Type | DSG |
| Industry STD Term | WSON |
| JEDEC Code | S-PDSO-N |
| Package QTY | 3000 |
| Carrier | LARGE T&R |
| Device Marking | QUF |
| Width (mm) | 2 |
| Length (mm) | 2 |
| Thickness (mm) | .75 |
| Pitch (mm) | .5 |
| Max Height (mm) | .8 |
| Mechanical Data | 下载 |
参数化
| Control Mode | Constant on-time (COT) |
| Duty Cycle(Max) | 100 % |
| Iout(Max) | 0.5 A |
| Iq(Typ) | 0.017 mA |
| Operating Temperature Range | -40 to 125 C |
| Package Group | WSON |
| Rating | Catalog |
| Regulated Outputs | 1 |
| Special Features | Enable,Light Load Efficiency,Output Discharge,Power Good,Synchronous Rectification,Tracking,Voltage Margining |
| Switching Frequency(Max) | 2250 kHz |
| Switching Frequency(Min) | 2250 kHz |
| Type | Converter |
| Vin(Max) | 17 V |
| Vin(Min) | 3 V |
| Vout(Max) | 1.8 V |
| Vout(Min) | 1.8 V |
生态计划
| RoHS | Compliant |
设计套件和评估模块
- Evaluation Modules & Boards: TPS62170EVM-627
Evaluation Module for TPS62170 a 0.5-A, synchronous, step-down converter in a 2x2-mm, 8-pin WSON
Lifecycle Status: Active (Recommended for new designs)
应用须知
- Step-Down Converter With Input Overvoltage ProtectionPDF, 274 Kb, 档案已发布: Sep 4, 2014
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- Using the TPS6215x in an Inverting Buck-Boost Topology.. (Rev. C)PDF, 738 Kb, 修订版: C, 档案已发布: Dec 19, 2012
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- 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
- Five steps to a great PCB layout for a step-down converterPDF, 162 Kb, 档案已发布: Jan 29, 2015
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- Choosing an Appropriate Pull-up/Pull-down Resistor for Open Drain OutputsPDF, 130 Kb, 档案已发布: Sep 19, 2011
- QFN and SON PCB Attachment (Rev. B)PDF, 821 Kb, 修订版: B, 档案已发布: Aug 24, 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. - Powering the MSP430 from a High Voltage Input using the TPS62122 (Rev. C)PDF, 330 Kb, 修订版: C, 档案已发布: Jan 12, 2012
模型线
系列: TPS62171 (2)
- TPS62171DSGR TPS62171DSGT
制造商分类
- Semiconductors > Power Management > Non-isolated DC/DC Switching Regulator > Step-Down (Buck) > Buck Converter (Integrated Switch)