L5201-AD-SM1-R

L5201-AD-SM1-R

  • 厂商:

    UTC(友顺)

  • 封装:

  • 描述:

    L5201-AD-SM1-R - LOW NOISE, REGULATED CHARGE PUMP DC/DC CONVERTERS - Unisonic Technologies

  • 详情介绍
  • 数据手册
  • 价格&库存
L5201-AD-SM1-R 数据手册
UNISONIC TECHNOLOGIES CO., LTD L5201 LOW NOISE, REGULATED CHARGE PUMP DC/DC CONVERTERS 6 5 CMOS IC MSOP-8 4 DESCRIPTION The UTC L5201-xx series are low noise, constant frequency charge pump DC/DC converters and designed to increase efficiency in white LED application. The operating voltage range is 2.7V ~ VOUT input with up to 100mA of output current. Low external parts counts (one flying capacitor and two small bypass capacitors at VIN and VOUT) make the UTC L5201-xx series ideally suited for small, battery-powered applications. A charge-pump architecture maintains constant switching frequency to zero load and reduces both output and input ripple. The UTC L5201-xx series have thermal shutdown capability to escape the device damaged from a continuous short-circuit. With built-in soft-start circuitry to prevents excessive current flow at VIN during start-up. High switching frequency enables the use of small ceramic capacitors. A low-current shutdown feature disconnects the load from VIN and reduces quiescent current to
L5201-AD-SM1-R
物料型号: - L5201-AD-SM1-R(MSOP-8封装,胶带卷) - L5201-AD-SM1-T(MSOP-8封装,管装) - L5201-xx-AG6-R(SOT-26封装,胶带卷) - L5201-xx-AH6-R(TSOT-26封装,胶带卷)

器件简介: UTC L5201-xx系列是低噪声、恒定频率的电荷泵DC/DC转换器,设计用于提高白光LED应用的效率。工作电压范围是2.7V至VOUT输入,输出电流高达100mA。外部零件数量少(一个悬浮电容器和两个小的旁路电容器分别位于VIN和VOUT),使UTC L5201-xx系列非常适合小型、电池供电的应用。

引脚分配: - L5201-ADJ(MSOP-8封装): - 1号引脚:C+(悬浮电容器正极) - 2号引脚:VIN(输入供电电压) - 3号引脚:C(悬浮电容器负极) - 4、5号引脚:GND(接地端) - 6号引脚:SHDN(关闭模式,低电平有效输入) - 7号引脚:FB(反馈输入引脚,用于可调输出) - 8号引脚:VOUT(调节后的输出电压) - L5201-xx(SOT-26/TSOT-26封装): - 6号引脚:C+(悬浮电容器正极) - 5号引脚:VIN(输入供电电压) - 4号引脚:C(悬浮电容器负极) - 3号引脚:GND(接地端) - 2号引脚:SHDN(关闭模式,低电平有效输入) - 1号引脚:VOUT(调节后的输出电压)

参数特性: - 低噪声恒定频率操作 - 输出电流:3.0V
功能详解: UTC L5201-xx系列具有热关闭功能以避免设备因连续短路而损坏,内置软启动电路以防止启动时VIN电流过大。高开关频率允许使用小陶瓷电容器。低电流关闭功能可断开VIN与负载的连接,将静态电流降至<1µA。

应用信息: 适用于需要高效率、低噪声的白光LED应用,特别是小型、电池供电的应用场合。

封装信息: - L5201-ADJ:MSOP-8封装 - L5201-xx:SOT-26和TSOT-26封装
L5201-AD-SM1-R 价格&库存

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