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TPS62661 - 产品图解:
TPS62661-采用芯片级封装的 1000mA、6MHz 同步降压转换器
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TI产品 - TPS62661介绍
TPS62661 - 采用芯片级封装的 1000mA、6MHz 同步降压转换器

TPS62661是TI公司的一款转换器(集成开关)产品,TPS62661是采用芯片级封装的 1000mA、6MHz 同步降压转换器,本页介绍了TPS62661的产品说明、应用、特性等,并给出了与TPS62661相关的TI元器件型号供参考。

TPS62661 - 采用芯片级封装的 1000mA、6MHz 同步降压转换器 - 转换器(集成开关) - DC/DC开关稳压器 - TI公司(Texas Instruments,德州仪器)

产品描述

The TPS6266x device is a high-frequency synchronous step-down dc-dc converter optimized for battery-powered portable applications. Intended for low-power applications, the TPS6266x supports up to 1000mA peak load current, and allows the use of low cost chip inductor and capacitors.

With a wide input voltage range of 2.3V to 5.5V, the device supports applications powered by Li-Ion batteries with extended voltage range. Different fixed voltage output versions are available from 1.2V to 2.3V.

The TPS6266x operates at a regulated 6-MHz switching frequency and enters the power-save mode operation at light load currents to maintain high efficiency over the entire load current range.

The PFM mode extends the battery life by reducing the quiescent current to 31µA (typ) during light load and standby operation. For noise-sensitive applications, the device can be forced into fixed frequency PWM mode by pulling the MODE pin high. In the shutdown mode, the current consumption is reduced to less than 1µA.

The TPS6266x is available in an 6-pin chip-scale package (CSP).

产品特性

  • 91% Efficiency at 6MHz Operation
  • 31µA Quiescent Current
  • Wide VIN Range From 2.3V to 5.5V
  • 6MHz Regulated Frequency Operation
  • Best in Class Load and Line Transient
  • ±2% Total DC Voltage Accuracy
  • Automatic PFM/PWM Mode Switching
  • Low Ripple Light-Load PFM Mode
  • Fast Turn-On Time, <60-µs Start-Up Time
  • Integrated Active Power-Down Sequencing (Optional)
  • Current Overload and Thermal Shutdown Protection
  • Three Surface-Mount External Components Required (One MLCC Inductor, Two Ceramic Capacitors)
  • Complete Sub 1-mm Component Profile Solution
  • Total Solution Size <12 mm2
  • Available in a 6-Pin NanoFree (CSP)
  • APPLICATIONS
    • Cell Phones, Smart-Phones
    • PDAs, Pocket PCs
    • Portable Hard Disk Drives
    • DC/DC Micro Modules

NanoFree Is a trademark of Texas Instruments

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