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TI(德州仪器) UCC1801
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  • TI(德州仪器) UCC1801
  • TI(德州仪器) UCC1801
  • TI(德州仪器) UCC1801
  • TI(德州仪器) UCC1801
  • TI(德州仪器) UCC1801
  • TI(德州仪器) UCC1801
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UCC1801

UCC1801

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低功耗 BiCMOS 电流模式 PWM

产品详情
  • 说明
  • 特性
  • 参数
  • 封装 | 引脚 | 尺寸

The UCC280x family of high-speed, low-power integrated circuits contain all of the control and drive components required for off-line and DC-to-DC fixed frequency current-mode switching mode power supplies with minimal parts count.

These devices have the same pin configuration as the UCx84x family, and also offer the added features of internal full-cycle soft start and internal leading-edge blanking of the current-sense input.

  • 100-µA typical starting supply current
  • 500-µA typical operating supply current
  • Operation up to 1 MHz
  • Internal soft start
  • Internal fault soft start
  • Internal leading-edge blanking of the current sense signal
  • 1-A totem-pole output
  • 70-ns typical response from current-sense to gate drive output
  • 1.5% tolerance voltage reference
  • Same pinout as UC3842 and UC3842A
TopologyBoost, Flyback, Forward
Control modeCurrent
Duty cycle (max) (%)50
Switching frequency (max) (kHz)1000
FeaturesError amplifier, Leading edge blanking, Soft start
UVLO thresholds on/off (V)9.4/7.4
Operating temperature range (°C)-55 to 125
RatingMilitary
Gate drive (typ) (A)1
CDIP (JG)864.032 mm² 9.6 x 6.67
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