基于LT4180设计的精密负载调整电源方案
基于lt4180设计的精密负载调整电源方案
linear公司的lt4180是全特性电源控制器,集成有5ma光隔离器,欠压/过压锁住,软起动和±1%内部基准电压. lt4180的虚拟遥测特性包括用户编程的抖动频率和扩展频谱抖动.输入电压从3.1v到50v,主要用在12v高强亮度灯,28v工业系统,大于40w的cat5电缆系统,ac和dc适配器,井下采集和其它遥控仪表等.本文介绍了lt4180主要特性,方框图以及典型应用电路,包括12v/500ma线性稳压器电路图, 12v/600ma升压稳压器电路图和3.3v隔离反激稳压器电路图.
the lt4180 solves the problem of providing tight load regulation over long, highly resistive cables without requiring an additional pair of remote sense wires. this virtual remote sense™ device continuously interrogates the line impedance and corrects the power supply output voltage via its feedback loop to maintain a steady voltage at the load regardless of current changes.
the lt4180 is a full-featured controller with 5ma optoisolator sink capability, under/overvoltage lockout, soft-start and a ±1% internal voltage reference. the virtual remote sense feature set includes user-programmable dither frequency and optional spread spectrum dither.
the lt4180 works with any topology and type of isolated or nonisolated power supply, including dc/dc converters and adjustable linear regulators.
the lt4180 is available in a 24-pin, ssop package.
lt4180主要特性:
tight load regulation with highly resistive cables without requiring remote sense wiring
compatible with isolated and nonisolated power supplies
±1% internal voltage reference
5ma sink current capability
soft-correct reduces turn-on transients
undervoltage and overvoltage protection
pin-programmable dither frequency
optional spread spectrum dither
wide vin range: 3.1v to 50v
24-pin ssop package
lt4180应用:
12v high intensity lamps
28v industrial systems
high power (>40 watts) cat5 cable systems
wiring drop cancellation for notebook computer battery charging
ac and dc adaptors
well-logging and other remote instrumentation
surveillance equipment
图1.lt4180方框图
图2.lt4180隔离电源框图
图3.lt4180 12v/500ma线性稳压器电路图
图4.lt4180 12v/600ma升压稳压器电路图
图5.lt4180 3.3v隔离反激稳压器电路图
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基于LT4180设计的精密负载调整电源方案
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linear公司的lt4180是全特性电源控制器,集成有5ma光隔离器,欠压/过压锁住,软起动和±1%内部基准电压. lt4180的虚拟遥测特性包括用户编程的抖动频率和扩展频谱抖动.输入电压从3.1v到50v,主要用在12v高强亮度灯,28v工业系统,大于40w的cat5电缆系统,ac和dc适配器,井下采集和其它遥控仪表等.本文介绍了lt4180主要特性,方框图以及典型应用电路,包括12v/500ma线性稳压器电路图, 12v/600ma升压稳压器电路图和3.3v隔离反激稳压器电路图.
the lt4180 solves the problem of providing tight load regulation over long, highly resistive cables without requiring an additional pair of remote sense wires. this virtual remote sense™ device continuously interrogates the line impedance and corrects the power supply output voltage via its feedback loop to maintain a steady voltage at the load regardless of current changes.
the lt4180 is a full-featured controller with 5ma optoisolator sink capability, under/overvoltage lockout, soft-start and a ±1% internal voltage reference. the virtual remote sense feature set includes user-programmable dither frequency and optional spread spectrum dither.
the lt4180 works with any topology and type of isolated or nonisolated power supply, including dc/dc converters and adjustable linear regulators.
the lt4180 is available in a 24-pin, ssop package.
lt4180主要特性:
tight load regulation with highly resistive cables without requiring remote sense wiring
compatible with isolated and nonisolated power supplies
±1% internal voltage reference
5ma sink current capability
soft-correct reduces turn-on transients
undervoltage and overvoltage protection
pin-programmable dither frequency
optional spread spectrum dither
wide vin range: 3.1v to 50v
24-pin ssop package
lt4180应用:
12v high intensity lamps
28v industrial systems
high power (>40 watts) cat5 cable systems
wiring drop cancellation for notebook computer battery charging
ac and dc adaptors
well-logging and other remote instrumentation
surveillance equipment
图1.lt4180方框图
图2.lt4180隔离电源框图
图3.lt4180 12v/500ma线性稳压器电路图
图4.lt4180 12v/600ma升压稳压器电路图
图5.lt4180 3.3v隔离反激稳压器电路图
没有相应的网络安全措施，在线教育面临网络攻击的风险大大增加
晶圆级CSP装配工艺的锡膏的选择和评估
滤波器的基本原理是什么，它的分类有哪些
当选中国科学院院士的刘胜，是国内芯片封装技术的引领者
电子狗原理
基于LT4180设计的精密负载调整电源方案
供需失衡 碳酸锂或跌破10万元大关
当工业机器人碰撞互联网+
苹果 iPhone X 和第二代 iPad Pro获2018 年显示屏行业大奖
美丽新农村：基于PLC和串口通信的农村污水物联网解决方案
加入共熵志愿者团队，共筑全球科技未来
EEC数据库中发现的四款新Realme智能手机
汇编语言教程-段寄存器的说明语句
SpaceX的闪耀——猎鹰重型的首次商业发射
AI大数据下的云存储的关键技术是什么
怎样为自动驾驶做好辅助
人工智能与人脑相差甚远
Crossbar是什么？Crossbar由什么组成？
POWER+模块UPS电源的技术特征和应用研究
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