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MIC4576WUTR - Brand New MIC DC Switching Regulators - Datasheet - Chipdatas

MIC4576WUTR - Brand New MIC DC Switching Regulators

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Brand:MIC
Chipdatas Part No.:CD89-MIC4576WUTR
Manufacturer Part No.:MIC4576WUTR
Datecode:09+
Package:SOT-263-5
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  • General Description

    The MIC4576 is a series of easy to use fixed and adjustable BiCMOS step-down (buck) switch-mode voltage regulators. The 200kHz MIC4576 duplicates the pinout and function of the 52kHz LM2576. The higher switching frequency may allow up to a 2:1 reduction in output filter inductor size.
    The MIC4576 is available in 3.3V, and 5V fixed output versions or a 1.23V to 33V adjustable output version. Both versions are capable of driving a 3A load with excellent line and load regulation.
    The feedback voltage is guaranteed to ±2% tolerance for adjustable versions, and the output voltage is guaranteed to ±3% for fixed versions, within specified voltages and load conditions. The oscillator frequency is guaranteed to ±10%.
    In shutdown mode, the regulator draws less than 200µA standby current. The regulator performs cycle-by-cycle current limiting and thermal shutdown for protection under fault conditions.
    This series of simple switch-mode regulators requires a minimum number of external components and can operate using a standard series of inductors. Frequency compensation is provided internally.
    The MIC4576 is available in TO-220 (T) and TO-263 (U) packages for the industrial temperature range.

    Features

    • Fixed 200kHz operation
    • 3.3V, 5V, and adjustable output versions
    • Voltage over specified line and load conditions:
    Fixed version: ±3% max. output voltage
    Adjustable version: ±2% max. feedback voltage
    • Guaranteed 3A switch current
    • Wide 4V to 36V input voltage range
    • Wide 1.23V to 33V output voltage range
    • Requires minimum external components
    • < 200µA typical shutdown mode
    • 75% efficiency (adjustable version > 75% typical)
    • Standard inductors are 25% of typical LM2576 values
    • Thermal shutdown
    • Overcurrent protection
    • 100% electrical thermal limit burn-in

    Applications

    • Simple high-efficiency step-down (buck) regulator
    • Efficient preregulator for linear regulators
    • On-card switching regulators
    • Positive-to-negative converter (inverting buck-boost)
    • Battery Charger
    • Negative boost converter
    • Step-down to 3.3V for Intel Pentium™
    and similar microprocessors

  • Similar parts: 7322 , Click to view
    Attributes Value
    Category DC Switching Regulators
    Manufacturer MIC
    Product Category DC Switching Regulators
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  • Shopping guide

    Warranty:
    • - 30-day money-back return policy,
    • - 90-day warranty against any manufacturing defects. View more
    Returning:
    Within 30 days from date of shipment. View more

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    • - DHL Express: 3-7 business days
    • - DHL eCommerce: 12-22 business days
    • - FedEx International Priority: 3-7 business days
    • - EMS: 10-15 business days
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Additional Information
  • Datasheet: Download MIC4576WUTR
  • Chipdatas Part: CD89-MIC4576WUTR
  • Warehouse: China, Hong Kong
  • Dispatch: Within 24 hours
  • Free Shipping: Yes
  • Prority Shipping: Yes, 3-5 days
  • Last Updated: 2024/07/01 02:18 +0800
Refund
    • Full Refund if you don't receive your order
    • Full or Partial Refund , If the item is not as described
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