LT3669

推荐新设计使用

具集成型降压转换器和 LDO 的 IO-Link 收发器

数据手册 产品选型表
产品模型
12
产品技术资料帮助

ADI公司所提供的资料均视为准确、可靠。但本公司不为用户在应用过程中侵犯任何专利权或第三方权利承担任何责任。技术指标的修改不再另行通知。本公司既没有含蓄的允许，也不允许借用ADI公司的专利或专利权的名义。本文出现的商标和注册商标所有权分别属于相应的公司。
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产品详情

  • 可兼容 IO-Link® PHY (COM1 / COM2 / COM3)
  • 电缆接口保护至 ±60V
  • 7.5V 至 40V 工作电压
  • 集成型降压开关稳压器
    • 最大负载电流：100mA (LT3669) / 300mA (LT3669-2)
    • 可同步及可调开关频率范围：250kHz 至 2.2MHz
    •  输出电压：0.8V 至 16V
  • 集成型 150mA LDO 线性稳压器
  • 具可调摆率和电流限值的坚固型线路驱动器
  • 采用自适应线路驱动器脉冲方案以安全地开关重负载
  • 驱动器可配置为推挽、上拉或下拉
  • 可调的上电复位定时器
  • 小外形 28 引脚耐热性能增强型 4mm x 5mm QFN 封装
LT3669
具集成型降压转换器和 LDO 的 IO-Link 收发器
Operating Waveforms Product Package 1 Product Package 2
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参考资料

数据手册 1

可靠性数据 1

用户手册 2

技术文章 2

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硬件生态系统

部分模型 产品周期 描述
IO-Link 1
LTC2874
量产 四通道 IO-Link 主控器热插拔控制器和 PHY
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评估套件

eval board
schematic 1
DC1733A-A

LT3669-1 Demo Board | 7.5V to 40V input with VOUT1 being 5V at 100mA and VOUT2 (LDO) being 3.3V at 100mA

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产品详情

Demonstration circuit 1733A is an industrial transceiver with integrated step-down regulator and LDO featuring the LT3669. The board operates from 7.5V to 40V when JP7 is set to L+. When the JP7 is set to RES, the minimum input voltage is 16.5V. The board withstands transients up to 60V. The step-down regulator output is 5V. The LDO output is 3.3V. There are two assembly versions. DC1733A-A is for the LT3669 and DC1733A-B is for the LT3669-2. The difference is the LT3669 has an integrated catch diode. The LT3669-2 requires an external catch diode.

eval board
schematic 2
schematic 3
schematic 4
DC2227A

LT3669-2 Demo Board | I/O Link with 18V to 36V Input to 4V at 300mA and 3.3V at 150mA

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产品详情

Demonstration circuit 2227A is a complete IO-Link® device built using the LT3669-2 to implement an IO-Link v1.1 physical interface (PHY). The IO-Link stack protocol runs on an Atmel ATmega microcontroller which connects to LT3669-2’s logic IO-signals to communicate with an IO-Link master via the CQ1 transceiver.

eval board
schematic 5
DC1733A-B

LT3669-2 Demo Board | 7.5V to 40V input with VOUT1 being 5V at 300mA and VOUT2 (LDO) being 3.3V at 150mA

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产品详情

Demonstration circuit 1733A is an industrial transceiver with integrated step-down regulator and LDO featuring the LT3669. The board operates from 7.5V to 40V when JP7 is set to L+. When the JP7 is set to RES, the minimum input voltage is 16.5V. The board withstands transients up to 60V. The step-down regulator output is 5V. The LDO output is 3.3V. There are two assembly versions. DC1733A-A is for the LT3669 and DC1733A-B is for the LT3669-2. The difference is the LT3669 has an integrated catch diode. The LT3669-2 requires an external catch diode.
DC1733A-A
LT3669-1 Demo Board | 7.5V to 40V input with VOUT1 being 5V at 100mA and VOUT2 (LDO) being 3.3V at 100mA
DC1733A - Schematic
DC2227A
LT3669-2 Demo Board | I/O Link with 18V to 36V Input to 4V at 300mA and 3.3V at 150mA
LTC2874 136_3669 jpg DC2227A - Schematic DC2227A - Schematic
DC1733A-B
LT3669-2 Demo Board | 7.5V to 40V input with VOUT1 being 5V at 300mA and VOUT2 (LDO) being 3.3V at 150mA
DC1733A - Schematic

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