VINENVOUTFBR1R5VCCFSWSWR2COMP C5AGNDPGNDC6L1C1 C2C3R3BOOTVINILIM R4SS C7C4VOUTMODEONOFFProductFolderSample &BuyTechnicalDocumentsTools &SoftwareSupport &CommunityTPS61088ZHCSDP8A –MAY 2015–REVISED MAY 2015TPS61088 10A全全集集成成同同步步升升压压转转换换器器1特特性性3说说明明1•输入电压范围：2.7V至12V TPS61088是一款高功率密度的全集成升压转换器，配有一个11mΩ功率开关和一个13mΩ整流器开关，•输出电压范围：4.5至12.6V可为便携式系统提供高效的小尺寸解决方案• 10A开关电流TPS61088具有2.7V至12V的宽输入电压范围，可•效率高达91%（VIN = 3.3V、VOUT = 9V且IOUT =3A时）为采用单节或两节锂电池的应用提供支持该器件具•在轻负载条件下，有脉频调制(PFM)和强制脉宽调备10A开关电流能力，并且能够提供高达12.6V的输制(PWM)两种模式可供选择出电压。
•关断期间，VIN引脚的电流为1.0µA TPS61088采用自适应恒定关断时间峰值电流控制拓•可通过电阻编程的开关峰值电流限制扑结构来调节输出电压在中等到重负载条件•可调节的开关频率范围：200kHz至2.2MHz下，TPS61088工作在PWM模式在轻负载条件•可编程软启动下，该器件可通过MODE引脚选择下列两种工作模式• 13.2V输出过压保护之一一种是可提高效率的PFM模式；另一种是可•逐周期过流保护避免因开关频率较低而引发应用问题的强制PWM模•热关断式可通过外部电阻在200kHz至2.2MHz范围内调• 20引脚4.50mm × 3.50mm超薄型四方扁平无引线节PWM模式下的开关频率TPS61088还实现了可(VQFN)封装编程的软启动功能和可调节的开关峰值电流限制功能此外，该器件还提供有13.2V输出过压保护、逐周期2应应用用过流保护和热关断保护•便携式刷卡机(POS)终端•蓝牙™扬声器TPS61088采用20引脚4.50mm × 3.50mm VQFN•电子烟封装• Thunderbolt接口器器件件信信息息(1)•快充移动电源器器件件型型号号封封装装封封装装尺尺寸寸（（标标称称值值））TPS61088 VQFN (20) 4.50mm x 3.50mm(1)要了解所有可用封装，请见数据表末尾的可订购产品附录。
4典典型型应应用用电电路路1An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,intellectual property matters and other important disclaimers. PRODUCTION DATA. English Data Sheet: SLVSCM8TPS61088ZHCSDP8A –MAY 2015–REVISED MAY 2015 目目录录8.4 Device Functional Modes........................................ 111特特性性.......................................................................... 19 Application and Implementation........................ 132应应用用.......................................................................... 19.1 Application Information............................................ 133说说明明.......................................................................... 19.2 Typical Application.................................................. 134典典型型应应用用电电路路........................................................... 110 Power Supply Recommendations..................... 205修修订订历历史史记记录录........................................................... 211 Layout................................................................... 206 Pin Configuration and Functions......................... 311.1 Layout Guidelines ................................................. 207 Specifications......................................................... 411.2 Layout Example .................................................... 207.1 Absolute Maximum Ratings...................................... 411.3 Thermal Considerations........................................ 217.2 ESD Ratings.............................................................. 412器器件件和和文文档档支支持持..................................................... 227.3 Recommended Operating Conditions....................... 412.1器件支持................................................................ 227.4 Thermal Information.................................................. 412.2社区资源................................................................ 227.5 Electrical Characteristics........................................... 512.3商标....................................................................... 227.6 Typical Characteristics.............................................. 612.4静电放电警告......................................................... 228 Detailed Description.............................................. 812.5术语表................................................................... 228.1 Overview................................................................... 813机机械械、、封封装装和和可可订订购购信信息息....................................... 228.2 Functional Block Diagram......................................... 98.3 Feature Description................................................... 95修修订订历历史史记记录录Changes from Original (May 2015) to Revision A Page•已将器件状态更新为量产数据................................................................................................................................................. 1• Updated VCCLPH and VCCLPL typical voltage ............................................................................................................................ 5• Fixed legend of图2 and图4 from input to output ............................................................................................................... 62 Copyright © 2015, Texas Instruments IncorporatedENSWSWSWBOOTVINFSWSWCOMPFBILIMVOUTVOUTVOUTMODEPGNDVCCRHLNCSS NCAGNDTPS ZHCSDP8A –MAY 2015–REVISED MAY 20156 Pin Configuration and FunctionsRHL Package20 Pin VQFN With Thermal PadTop ViewPin FunctionsPIN I/O DESCRIPTIONNAME NUMBEROutput of the internal regulator. A ceramic capacitor of more than 1.0 µF is required betweenVCC 1 Othis pin and ground.Enable logic input. Logic high level enables the device. Logic low level disables the deviceEN 2 Iand turns it into shutdown mode.FSW 3 I The switching frequency is programmed by a resister between t。