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LTC3101
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LTC3101

  • 所属类别：电池管理芯片
  • 产品名称：宽 Vin 范围、多输出 DC/DC 转换器和 PowerPath 控制器
  • 厂商：LT
  • 生产批号：11+
  • 封装：QFN
  • 库存状态：有库存
  • 库存量：20000
  • 最低订购量：1
  • 详细资料：点击查找LTC3101的pdf资料
  • 点击询价
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  • Product Introduction

LTC3101 wide Vin range, multi-output DC/DC converters, and PowerPath controllers

peculiarity

  • 低损耗 PowerPathTM 控制：可无缝和自动地从电池切换至 USB 或墙上适配器电源
  • 宽 VIN 范围：1.8V 至 5.5V
  • 降压-升压型稳压器 VOUT：1.5V 至 5.25V
  • 降压-升压型稳压器可产生 3.3V/300mA (对于 VIN ≥ 1.8V)、3.3V/800mA 输出 (对于 VIN ≥ 3V)
  • 双通道 350mA 降压型稳压器，VOUT：0.6V 至 VIN
  • 在突发模式 (Burst Mode®) 操作期间的静态电流为 38μA
  • 1.8V、50mA 始终保持接通的 LDO
  • 受保护的 100mA 热插拔 (Hot SwapTM) 输出
  • 按钮接通/关断控制
  • 电流限制的 200mA (最大值) 输出
  • 具可编程上电排序功能
  • 24 引脚 4mm x 4mm x 0.75mm QFN 封装

  • description

    The LTC®3101 is a complete power management solution for low-power portable devices. It has 3 built-in high-efficiency switching DC/DC converters that seamlessly switch from battery to USB/wall adapter power when available. A synchronous buck-boost regulator provides total flexibility, allowing operating voltage to be obtained from a single Li-ion/Li-polymer battery, two to three AA batteries, a USB port, or any other power supply operating from 1.8V to 5.5V.

    两个 “Always running"的输出、一个 50mA LDO 和一个跟踪较高电压输入电源的 200mA (最大值) 输出负责为关键的功能电路或附加的外部稳压器供电。闪存卡可以直接从受保护的 100mA 热插拔输出来供电。按钮控制逻辑电路和一个可编程持续时间微处理器复位发生器简化了至微处理器的连接，而内部排序电路和独立的使能引脚则提供了灵活的上电选项。LTC3101 采用扁平 (高度仅 0.75mm) 的 24 引脚 4mm x 4mm QFN 封装。 

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    • 超便携式数字摄像机
    • 个人手持式 GPS 导航装置
    • 便携式医疗仪器

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