UC3844BD1G IC, CURRENT MODE CNTRL, 25V, SOIC-8

€1.11
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Controller in Current Mode, Maximum Supply Voltage of 25V, 52 kHz, 13.5V / 1Aout, SOIC-8

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The UC3844BD1G is a high-performance fixed frequency current-mode Pulse Width Modulation (PWM) Controller specifically designed for off-line and DC to DC converter applications offering the designer a cost-effective solution with minimal external components. It features an oscillator, a temperature compensated reference, high gain error amplifier, current sensing comparator and a high current totem pole output ideally suited for driving a power MOSFET. Also included are protective features consisting of input and reference undervoltage lockouts each with hysteresis, cycle-by-cycle current limiting, a latch for single pulse metering and a flip-flop which blanks the output off every other oscillator cycle, allowing output deadtimes to be programmed from 50 to 70%.
  • Trimmed oscillator for precise frequency control
  • Automatic feed forward compensation
  • Internally trimmed reference with undervoltage lockout
  • High current totem pole output
  • Undervoltage lockout with hysteresis
  • Low startup and operating current
  • Output Voltage: 13.5V
    Output Current: 1A
    Supply voltage Min .: 12V
    Maximum Supply Voltage: 25V
    Controller Package: SOIC
    Number of Pins: 8Pines
    Frequency: 52kHz
    Working Temperature Min .: 0 ° C
    Max Operating Temperature: 70 ° C
    RoHS Compliance for Phthalates: Yes
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