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UC1843-HIREL的基本参数
  • 制造厂商:TI
  • 产品类别:电源管理
  • 技术类目:交流/直流和隔离式直流/直流开关稳压器 - PWM 控制器
  • 功能描述:电流模式 PWM 控制器
  • 点击这里打开及下载UC1843-HIREL的技术文档资料
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UC1843-HIREL的产品详情:

The UC1843 family of control devices provides the necessary features to implement off-line or dc-to-dc fixed frequency current mode control schemes with a minimal external parts count. Internally implemented circuits include under-voltage lockout featuring start up current less than 1 mA, a precision reference trimmed for accuracy at the error amp input, logic to insure latched operation, a PWM comparator which also provides current limit control, and a totem pole output stage designed to source or sink high peak current. The output stage, suitable for driving N-Channel MOSFETs, is low in the off state. The under-voltage lockout threshold is 8.4 V and maximum duty cycle range is around 100%.

UC1843-HIREL的优势和特性:
  • –55°C to 125°C Known Good Die
  • Controlled Baseline
  • Optimized For Off-line and DC-to-DC Converters
  • Low Start-Up Current (<1 mA)
  • Automatic Feed Forward Compensation
  • Pulse-by-Pulse Current Limiting
  • Enhanced Load Response Characteristics
  • Under-Voltage Lockout With Hysteresis
  • Double Pulse Suppression
  • High Current Totem Pole Output
  • Internally Trimmed Bandgap Reference
  • 500-kHz Operation
  • Low RO Error Amp

UC1843-HIREL的参数(英文):
  • Topology
  • Boost, Flyback, Forward
  • Duty cycle (Max) (%)
  • 100
  • Supply voltage (Max) (V)
  • 30
  • UVLO thresholds on/off (V)
  • 8.4/7.6
  • Features
  • Error Amplifier, Multi-topology
  • Operating temperature range (C)
  • -55 to 125
  • Rating
  • Military
  • Frequency (Max) (kHz)
  • 500
  • Gate drive (Typ) (A)
  • 1
UC1843-HIREL具体的完整产品型号参数及价格(美元):

UC1843-HIREL的完整型号有:UC1843MKGD1,以下是这些产品的关键参数及官网采购报价:

UC1843MKGD1,工作温度:-55 to 125,封装: (KGD)-0,包装数量MPQ:100个,MSL 等级/回流焊峰值温度:N/A for Pkg Type,引脚镀层/焊球材料:Call TI,TI官网UC1843MKGD1的批量USD价格:215.292(1000+)

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UC1843-HIREL的评估套件:

UC1843MKGD1,工作温度:-55 to 125,封装: (KGD)-0,包装数量MPQ:100个,MSL 等级/回流焊峰值温度:N/A for Pkg Type,引脚镀层/焊球材料:Call TI,TI官网UC1843MKGD1的批量USD价格:215.292(1000+)

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