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LM20144MH
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LM20144MH

  • Category:Low dropout linear regulator
  • Product Name:4A, frequency-adjustable PowerWise synchronous buck regulator
  • Manufacturers:NSC
  • Production Batch Number:10+
  • Encapsulation:TSSOP-16
  • Stock Status:There is stock
  • Stock Quantity:5000
  • Minimum order quantity: 1
  • Details:点击查找LM20144MH的pdf资料
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  • Product introduction

peculiarity

  • 输入电压范围2.95V到5.5V
  • Accurate current limiting minimizes inductor size
  • 97% peak efficiency
  • 可调开关频率（500千赫 - 1.5兆赫）
  • 32mΩ integrated FET switch
  • Boot into a prebiased load
  • Output voltage tracking
  • Peak current mode control
  • The adjustable output voltage is as low as 0.8V
  • Adjustable soft-start with external capacitors
  • 精密使能引脚与迟滞
  • 集成的OVP，UVLO，电源良好和热关断
  • eTSSOP - 16裸焊盘封装

illustrate

该LM20144是一个全功能的可调频率同步降压稳压器提供高达4A的连续输出电流能力。 在电流模式控制环路补偿，可与几乎任何类型的输出电容器稳定。 在大多数情况下，补偿装置只需要两个外部元件，提供最大的灵活性和易用性。 The device is optimized to operate over an input voltage range of 2.95V to 5.5V, making it inhospitable to a low voltage system.

该器件具有过电压保护（OVP）和过电流保护（OCP）为提高系统可靠性的电路内部。 一个高精度使能引脚和综合UVLO允许要严格控制和测序设备开启。 启动浪涌电流限制既是内部固定和外部可调软启动电路。 Fault detection and power sequencing are possible integrated power good circuits.

而LM20144的设计工作在多轨电源结构良好。 该器件的输出电压可设定为更高电压轨跟踪使用SS / TRK针。 如果LM20144的输出是在启动预偏置不会吸收电流输出拉为低电平，直到内部软启动斜坡超过在反馈引脚的电压。

该设备的频率可以调整从500 kHz至1.5 MHz的通过连接一个外部电阻在RT引脚接地。

而LM20144是采用16针eTSSOP封装，带有裸焊盘，可焊接到印刷电路板，省去了笨重的散热器需要。


apply

  • 简单的设计，高效率的负载调节点从5V或3.3V总线
  • 高性能的DSP，FPGA，ASIC和微处理器
  • Broadband, optical communication networks and infrastructure

andLM20144MHRelated ICs are:


Model Manufacturers lot number encapsulation illustrate
LM20144MHE NSC 10+ TSSOP-16 4A, frequency-adjustable PowerWise synchronous buck regulator
LM20144MH NSC 10+ TSSOP-16 4A, frequency-adjustable PowerWise synchronous buck regulator

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