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LT1425技术文档下载:
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LT1425 - 典型应用图例:
LT1425典型应用图例一
LT1425典型应用图例二
LT1425 - 封装图解:
LT1425封装图解一
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LINEAR产品 - LT1425介绍

LT1425 - LT1425是Isolated Flyback Switching Regulators

LT1425是LINEAR凌力尔特公司的一款反激式、正激式和隔离式控制器产品,LT1425是LT1425是Isolated Flyback Switching Regulators,本站介绍了LT1425的封装应用图解、特点和优点、功能等,并给出了与LT1425相关的LINEAR元器件型号供参考。

LT1425 - LT1425是Isolated Flyback Switching Regulators - 反激式、正激式和隔离式控制器 - 电源管理 - 凌力尔特

LT1425 - Isolated Flyback Switching Regulators

LT1425 - Isolated Flyback Switching Regulators - Linear Technology(凌力尔特)

功能描述
The LT1425 is a monolithic high power switching regulator specifically designed for the isolated flyback topology. No “third winding” or optoisolator is required; the integrated circuit senses the isolated output voltage directly from the primary side flyback waveform. A high current, high efficiency switch is included on the die along with all oscillator, control and protection circuitry. The LT1425 operates with input supply voltages from 3V to 20V and draws only 7mA quiescent current. It can deliver output power up to 6W with no external power devices. By utilizing current mode switching techniques, it provides excellent AC and DC line regulation. The LT1425 has a number of features not found on other switching regulator ICs. Its unique control circuitry can maintain regulation well into discontinuous mode in most applications. Optional load compensation circuitry allows for improved load regulation. An externally activated shutdown mode reduces total supply current to 15µA for standby operation.
特点
  • No Transformer
  • ±5% Accurate Output Voltage Without User Trims (See Circuit Below)
  • Resistor Programmable Output Voltage
  • Regulation Maintained Well Into Discontinuous Mode (Light Load)
  • Optional Load Compensation
  • Operating Frequency: 285kHz
  • Easily Synchronized to External Clock
  • Available in 16-Pin Narrow SO Package
  • 应用
  • Isolated Flyback Switching Regulators
  • Ethernet Isolated 5V to -9V Converter
  • Medical Instruments
  • Isolated Telecom Supplies
  • 以下列出了不同封装及包装形式的具体型号,并标出了直接在linear官网上订货的价格(美元)
    器件型号 封装 温度 价格 (以 1 ~ 99 片为批量) 价格 (以 1000 片为批量)
    LT1425CS SO-16 C $3.55 $2.90
    LT1425CS#PBF SO-16 C $3.55 $2.90
    LT1425CS#TR SO-16 C $2.96
    LT1425CS#TRPBF SO-16 C $2.96
    LT1425IS SO-16 I $4.90 $3.95
    LT1425IS#PBF SO-16 I $4.90 $3.95
    LT1425IS#TR SO-16 I $4.01
    LT1425IS#TRPBF SO-16 I $4.01
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  • LT3573 - 无需使用光耦合器的隔离型反激式转换器
  • LT3748 - 100V 隔离型反激式控制器
  • LT8300 - 具 150V/260mA 开关的 100VIN 微功率隔离型反激式转换器
  • LT3511 - 单片式、高电压、隔离型反激式转换器
  • LT3575 - 无需使用光耦合器的隔离型反激式转换器
  • LT3798 - 具备有源 PFC 功能的隔离型 No Opto 耦合器反激式控制器
  • LT3757 - 升压、反激式、SEPIC 和负输出控制器
  • LT1725 - General Purpose Isolated Flyback Controller
  • LT8302 - 具 65V/3.6A 开关的 42VIN 微功率 No-Opto 隔离型反激式转换器
  • LT3574 - 无需使用光耦合器的隔离型反激式转换器
  • 下面可能是您感兴趣的凌力尔特公司反激式、正激式和隔离式控制器元器件
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