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Power & Energy
Forum 6A降压SWIFT DC/DC转换器(TI)
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Forum Thread Details
  • Replies 0 replies
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  • dc-dc
  • 电源管理
  • power_management
  • ti
Related

6A降压SWIFT DC/DC转换器(TI)

urmif
urmif over 14 years ago

日前,德州仪器 (TI) 宣布推出一款具有业界最小外形、最高效率的最新 6 A 转换器,进一步丰富了其深受欢迎的 SWIFTTm 系列电源管理集成电路。最新 TPS54618 单片同步开关具有两个集成型 12 毫欧 FET,可为用于 DSP 及 FPGA 通信、测试以及医疗设备的 2.95 V 至 6 V 负载点设计方案实现 95% 的高效率以及低工作电流。

 

TPS54618 比其它 6 A 器件小 30%,总体解决方案尺寸仅 140 平方毫米。该集成转换器支持包括电流模式控制的高性能与高可靠性,可简化外部补偿,实现高度灵活的组件选择,特别是对小型陶瓷电容器的选用。简单易用的可扩展 TPS54618 与 3A、2 MHz TPS54318RTET.TPS54318RTET. 等其它低电流 SWIFT 同步降压转换器引脚兼容。

 

TPS54618 的主要特性与优势:
• 具有两个集成 12 毫欧 FET 的 TI SWIFT 转换器支持 6 A 连续电流,功率级输入电压范围介于 2.95 V 至 6 V 之间;
• 宽泛的开关频率(200 kHz 至 2 MHz)与高效率及高设计灵活性相结合,采用散热增强的小型 3 毫米 x 3 毫米 x 1 毫米单片 QFN 封装;
• 主时钟的同步开关频率可消除灵敏数据采集电路系统中的差拍噪声。

 

供货情况与价格
采用 3 毫米 x 3 毫米 QFN 封装的 TPS54618 现已开始批量供货,可通过 TI 及其授权分销商进行订购。此外,同步供货的还有采用 3 毫米 x 3 毫米 QFN 封装的 TPS54318RTET.TPS54318RTET. 3-A SWIFT 转换器。

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