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LM34917ATL
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LM34917ATL

  • 所属类别:开关稳压器
  • 产品名称:时间降压开关稳压器
  • 厂商:NSC
  • 生产批号:11+
  • 封装:MICRO SMD
  • 库存状态:有库存
  • 库存量:12600
  • 最低订购量:1
  • 详细资料:点击查找LM34917ATL的pdf资料
  • 点击询价
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  • Product Introduction

peculiarity

  • Functional input voltage range: 8V to 33V
  • Miniature SMD package
  • Input when the overvoltage is off 35V
  • Transient performance up to 50V
  • Integrated N-channel buck switch
  • The valley current limit reduces excessive inductor current with V IN and V OUT
  • When the time on the current is reduced, the current is limited
  • Integrated launcher
  • No loop compensation requirements are required
  • Ultra-fast transient response
  • Maximum switching frequency: 2 MHz
  • The operating frequency maintains a virtually constant change in load current and input voltage
  • Programmable soft start
  • Precision internal reference
  • Adjustable output voltage
  • Thermal shutdown

illustrate

This LM34917A all the features required for a buck switching regulator for low-cost functionality, high efficiency, and a load capacity of at least 1.25A for the buck bias regulator. In order to reduce excessive switching current, due to the possibility of saturation inductance, the trough current limit is detected when the input and output voltage thresholds change, as well as the time reduction current limit. This buck regulator contains an N-channel buck switch and is available in a 12-pin miniature SMD package. The constant on-time feedback conditioning loop compensation scheme eliminates the need for fast load transient response, resulting in and simplified circuit design. The operating frequency still varies with the line and load, due to the inverse relationship between the input voltage and the on-time. Smooth transition in the valley, from current limit current limit in constant current and voltage mode to current limit detection results, reducing frequency and output voltage used without foldback. Other features include: V CC undervoltage lockout, input overvoltage shutdown, overtemperature shutdown, gate drive undervoltage lockout, and maximum duty cycle limiting.

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