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LT1534 - 典型应用图例：
LT1534典型应用图例一
LT1534典型应用图例二
LT1534 - 封装图解：
LT1534封装图解一
LT1534封装图解二
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LINEAR产品 - LT1534介绍

LT1534 - LT1534是Ultralow Noise 2A Switching Regulator

LT1534是LINEAR凌力尔特公司的一款超低噪声稳压器产品，LT1534是LT1534是Ultralow Noise 2A Switching Regulator，本站介绍了LT1534的封装应用图解、特点和优点、功能等，并给出了与LT1534相关的LINEAR元器件型号供参考。

LT1534 - LT1534是Ultralow Noise 2A Switching Regulator - 超低噪声稳压器 - 电源管理 - 凌力尔特

LT1534 - Ultralow Noise 2A Switching Regulator

LT1534 - Ultralow Noise 2A Switching Regulator - Linear Technology（凌力尔特）

功能描述
The LT1534/LT1534-1 are a new class of switching regulator designed to reduce conducted and radiated electromagnetic interference (EMI). Ultralow noise and EMI are achieved by providing user control of the output switch slew rates. Voltage and current slew rates can be independently programmed to optimize switcher harmonic content versus efficiency. The LT1534/LT1534-1 can reduce high frequency harmonic power by as much as 40dB with only minor losses in efficiency. The LT1534/LT1534-1 utilize a current mode architecture optimized for low noise boost topologies. The ICs include a 2A power switch along with all necessary oscillator, control and protection circuitry. Unique error amp circuitry can regulate both positive and negative voltages. The internal oscillator may be synchronized to an external clock for more accurate placement of switching harmonics. Protection features include cycle-by-cycle current limit protection, undervoltage lockout and thermal shutdown. Low minimum supply voltage and low supply current during shutdown make the LT1534/LT1534-1 well suited for portable applications. The LT1534/LT1534-1 are available in the 16-pin narrow SO package.
特点
  • Greatly Reduced Conducted and Radiated EMI
  • Low Switching Harmonic Content
  • Independent Control of Switch Voltage and Current Slew Rates
  • 2A Current Limited Power Switch
  • Regulates Positive and Negative Voltages
  • 20kHz to 250kHz Oscillator Frequency
  • Easily Synchronized to External Clock
  • Wide Input Voltage Range: 2.7V to 23V
  • Low Shutdown Current: 12µA Typical
  • Easier Layout than with Conventional Switchers
    • 应用
  • Precision Instrumentation Systems
  • Isolated Supplies for Industrial Automation
  • Medical Instruments
  • Wireless Communications
  • Single Board Data Acquisition Systems
    • 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)
    LT1534CS SO-16 C $4.70 $3.95
    LT1534CS-1 SO-16 C $4.65 $3.93
    LT1534CS-1#PBF SO-16 C $4.65 $3.93
    LT1534CS-1#TR SO-16 C $3.99
    LT1534CS-1#TRPBF SO-16 C $3.99
    LT1534CS#PBF SO-16 C $4.70 $3.95
    LT1534CS#TR SO-16 C $4.01
    LT1534CS#TRPBF SO-16 C $4.01
    LT1534IS SO-16 I $5.40 $4.55
    LT1534IS-1 SO-16 I $5.85 $4.95
    LT1534IS-1#PBF SO-16 I $5.85 $4.95
    LT1534IS-1#TR SO-16 I $5.01
    LT1534IS-1#TRPBF SO-16 I $5.01
    LT1534IS#PBF SO-16 I $5.40 $4.55
    LT1534IS#TR SO-16 I $4.61
    LT1534IS#TRPBF SO-16 I $4.61
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  • LT8614 - 具 2.5μA 静态电流的 42V、4A 同步降压型 Silent Switcher
  • LTC6655 - 0.25ppm 噪声、低漂移、精准基准系列
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