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LTC1922-1技术文档下载：
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LTC1922-1 - 典型应用图例：
LTC1922-1典型应用图例一
LTC1922-1典型应用图例二
LTC1922-1 - 封装图解：
LTC1922-1封装图解一
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LINEAR产品 - LTC1922-1介绍

LTC1922-1 - LTC1922-1是Synchronous Phase Modulated Full-Bridge Controller

LTC1922-1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，LTC1922-1是LTC1922-1是Synchronous Phase Modulated Full-Bridge Controller，本站介绍了LTC1922-1的封装应用图解、特点和优点、功能等，并给出了与LTC1922-1相关的LINEAR元器件型号供参考。

LTC1922-1 - LTC1922-1是Synchronous Phase Modulated Full-Bridge Controller - 反激式、正激式和隔离式控制器 - 电源管理 - 凌力尔特

LTC1922-1 - Synchronous Phase Modulated Full-Bridge Controller

LTC1922-1 - Synchronous Phase Modulated Full-Bridge Controller - Linear Technology（凌力尔特）

功能描述
The LTC?1922-1 phase shift PWM controller provides all of the control and protection functions necessary to implement a high performance, zero voltage switched, phase shift, full-bridge power converter with synchronous rectification. The part is ideal for developing isolated, low voltage, high current outputs from a high voltage input source. The LTC1922-1 combines the benefits of the full-bridge topology with fixed frequency, zero voltage switching operation (ZVS). Adaptive ZVS circuity controls the turn-on signals for each MOSFET independent of internal and external component tolerances for optimal performance.

The LTC1922-1 also provides secondary side synchronous rectifier control. The device uses peak current mode control with programmable slope comp and leading edge blanking.

The LTC1922-1 features extremely low operating and start-up currents to simplify off-line start-up and bias circuitry. The LTC1922-1 also includes a full range of protection features and is available in 20-pin through hole (N) and surface mount (G) packages.

特点
  • Adaptive DirectSense™ Zero Voltage Switching
  • Integrated Synchronous Rectification Control for Highest Efficiency
  • Output Power Levels from 50W to Kilowatts
  • Very Low Start-Up and Quiescent Currents
  • Compatible with Voltage Mode and Current Mode Topologies
  • Programmable Slope Compensation
  • Undervoltage Lockout Circuitry with 4.2V Hysteresis and Integrated 10.3V Shunt Regulator
  • Fixed Frequency Operation to 1MHz
  • 50mA Outputs for Bridge Drive and Secondary Side Synchronous Rectifiers
  • Soft-Start, Cycle-by-Cycle Current Limiting and Hiccup Mode Short-Circuit Protection
  • 5V, 15mA Low Dropout Regulator
  • 20-Pin PDIP and SSOP Packages
    • 应用
  • Telecommunications, Infrastructure Power Systems
  • Distributed Power Architectures
  • Server Power Supplies
  • High Density Power Modules
    • 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)
    LTC1922EG-1 SSOP-20 E $6.51 $5.50
    LTC1922EG-1#PBF SSOP-20 E $6.51 $5.50
    LTC1922EG-1#TR SSOP-20 E $5.60
    LTC1922EG-1#TRPBF SSOP-20 E $5.60
    LTC1922EN-1 N-20 E $6.51 $5.50
    LTC1922EN-1#PBF N-20 E $6.51 $5.50
    LTC1922IG-1 SSOP-20 I $7.04 $5.95
    LTC1922IG-1#PBF SSOP-20 I $7.04 $5.95
    LTC1922IG-1#TR SSOP-20 I $6.05
    LTC1922IG-1#TRPBF SSOP-20 I $6.05
    LTC1922IN-1 N-20 I $7.04 $5.95
    LTC1922IN-1#PBF N-20 I $7.04 $5.95
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