供应UC3846N电流模式PWM控制器电源IC

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UC3846N电流模式 PWM 控制器

说明

The UC1846/7 family of control ICs provides all of the necessary features to implement fixed frequency, current mode control schemes while maintaining a minimum external parts count. The superior performance of this technique can be measured in improved line regulation, enhanced load response characteristics, and a simpler, easier-to-design control loop. Topological advantages include inherent pulse-by-pulse current limiting capability, automatic symmetry correction for push-pull converters, and the ability to parallel "power modules" while maintaining equal current sharing.

Protection circuitry includes built-in under-voltage lockout and programmable current limit in addition to soft start capability. A shut-down function is also available which can initiate either a complete shutdown with automatic restart or latch the supply off.

特性

  • Automatic Feed Forward Compensation
  • Programmable Pulse-by-Pulse Current Limiting
  • Automatic Symmetry Correction in Push-pull Configuration
  • Enhanced Load Response Characteristics
  • Parallel Operation Capability for Modular Power Systems
  • Differential Current Sense Amplifier with Wide Common Mode Range
  • Double Pulse Suppression
  • 500mA (Peak) Totem-pole Outputs
  • ±1% Bandgap Reference
  • Under-voltage Lockout
  • Soft Start Capability
  • Shutdown Terminal
  • 500kHZ Operation

描述:

标准包装 : 25
系列 : -
PWM 型 : 电流模式
输出数 : 2
频率 - 最大 : 500kHz
占空比 : 50%
电源电压 : 8 V ~ 40 V
降压 :
升压 :
回扫 :
反相 :
倍增器 :
除法器 :
Cuk :
隔离 :
工作温度 : 0°C ~ 70°C
封装/外壳 : 16-DIP(0.300", 7.62mm)
包装 : 管件

型号/规格

UC3846N

品牌/商标

TI(德州仪器)