LTC3675
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LTC3675

  • Category:LED driver
  • Product Name:7-channel, configurable high-power PMIC
  • Manufacturers:LT
  • Production Batch Number:11+
  • Encapsulation:QFN
  • Stock Status:There is stock
  • Stock Quantity:20000
  • Minimum order quantity: 1
  • Details:点击查找LTC3675的pdf资料
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  • Product introduction

LTC36757 通道、可配置高功率 PMIC

peculiarity

  • 4 个单片式、同步降压型 DC/DC (1A / 1A / 500mA / 500mA)
  • 可以把降压型 DC/DC 并联起来,以与单个电感器一道提供高达 2x 电流
  • 独立的 1A 升压和 1A 降压-升压型 DC/DC
  • 两串 I2C 控制型 40V LED 驱动器
  • 可通过 I2C 来设置所有 DC/DC 输出电压、操作模式和开关节点转换速率
  • DC/DC、LED 驱动器、故障状态的 I2C 回读
  • I2C 可编程 VIN和芯片温度警报
  • 可屏蔽的中断以用于报告 DC/DC、VIN和芯片温度故障
  • 按钮 ON / OFF / 复位
  • 始终保持接通的 25mA LDO
  • 低静态电流:16μA (所有的 DC/DC 均关断)
  • 4mm x 7mm x 0.75mm 44 引脚 QFN 封装
  •  

description

LTC®3675 是一款数字可编程、高效率、多输出电源和两串LED driversIC,专为高功率单节锂离子 / 锂聚合物电池应用而优化。DC/DC 包括 4 个同步降压型转换器 (1A / 1A / 500mA / 500mA)、1 个同步升压型 DC/DC (1A) 和 1 个降压-升压型 DC/DC (1A),均由一个 2.7V 至 5.5V 输入来供电。40V LED 驱动器能够调节流过两串 LED (每串各含多达 10 个 LED) 的高达 25mA 的电流。LED 驱动器也可被配置成一个通用的高电压升压型转换器。

DC/DC 使能、输出电压、开关转换速率和操作模式均可通过 I2C 单独设置,或利用简单的 I/O 和上电默认在单一模式中使用。降压型 DC/DC 可以单独使用,也可并联起来使用,以与一个共用电感器一起提供较高的输出电流。LED 使能、60dB 亮度控制和灰度增减采用 I2C 来设置。低 VIN和高芯片温度的警报级别也可以通过 I2C 进行设置,并利用一个可屏蔽的中断输出来监视 DC/DC 和系统故障。

按钮 ON / OFF / 复位控制和一个上电复位输出提供了灵活性及可靠的上电排序。LTC3675 采用扁平 (高度仅 0.75mm)、耐热性能增强型 44 引脚 4mm x 7mm QFN 封装。
 

apply

  • 高功率 (5W 至 10W) 单节锂离子 / 锂聚合物电池应用
  • 便携式工业应用、手持式终端、便携式仪器
  • 多输出低电压电源


 

andLTC3675Related ICs are:


Model Manufacturers lot number encapsulation illustrate
LTC3675 LT 11+ QFN 7-channel, configurable high-power PMIC
923675-20I 3M 10+   PLCC
2SC3675 sanyo 06+PB TO-220 Original
9367520BD Infineon 01+ TQFP-128P Original in stock
D36751GGW100 TI 07+/08+ BGA  

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