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LM2651MTCX-3.3
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LM2651MTCX-3.3

  • Category:High current switching regulators
  • Product Name:1.5A high efficiency switching regulator
  • Manufacturers:NSC
  • Production Batch Number:09+
  • Encapsulation:TSOP16
  • Stock Status:There is stock
  • Stock Quantity:7500
  • Minimum order quantity: 1
  • Details:点击查找LM2651MTCX-3.3的pdf资料
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  • Product introduction

peculiarity

  • Ultra-high efficiency up to 97%
  • 在一个高效率1.5A至毫安的负载范围内
  • 4V至14V输入电压范围
  • 1.8V,2.5V和3.3V或输出电压的ADJ
  • 内部MOSFET开关与lowRDS(ON)为7500万
  • 300kHz的固定频率振荡器
  • 7μA关断电流
  • Patented current-sensing current-mode control
  • Input undervoltage lockout
  • Adjustable soft-start
  • Current limit and thermal shutdown
  • 16-pin TSSOP package

illustrate

LM2651开关稳压器提供的高效率超过100:1的负荷范围(1.5A至15mA的)功率转换。 此功能使得在电池供电应用中的需求,同时运行和待机模式电池寿命长LM2651的理想选择。

用于同步整流实现高达97%的效率。 在轻负载时,LM2651进入低功耗迟滞或“休眠”模式,以保持高效率。 在许多应用中,效率在15mA的负载仍超过80%。 一个停机引脚可用于禁用LM2651,降低电源电流小于10μA。

含有专利的LM2651电流模式控制电流检测电路。 此功能消除了外部电流检测电阻其他电流模式DC - DC转换器所需。

该LM2651拥有300 kHz固定频率的内部振荡器。 高振频率允许使用非常小,低调组件使用。

可编程软启动功能可限制浪涌电流在启动时从输入电源,并提供多个电源排序的一种简单方法。

其它保护功能包括电流限制输入欠压锁定,以及过热关机。


apply

  • Personal (PDA) digital assistant
  • 电脑周边
  • Battery-powered devices
  • 手持式扫描仪
  • 5V的转换效率高

andLM2651MTCX-3.3Related ICs are:


Model Manufacturers lot number encapsulation illustrate
LM2651MTCX-3.3/NOPB   10+11+   Hong Kong spot, imported original
LM2651MTCX-3.3 NSC 09+ TSOP16 1.5A high efficiency switching regulator
LM2651MTCX-1.8 NSC 10+ TSSOP 1.8A high efficiency switching regulator

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