LM5001MA/NOPB

The LM5001 high-voltage switch-mode regulator features all of the functions necessary to implement efficient high-voltage Boost, Flyback, SEPIC and Forward converters, using few external components. This easy-to-use regulator integrates a 75-V N-Channel MOSFET with a 1-A peak current limit. Current mode control provides inherently simple loop compensation and line-voltage feed-forward for superior rejection of input transients. The switching frequency is set with a single resistor and is programmable up to 1.5 MHz. The oscillator can also be synchronized to an external clock. Additional protection features include: current limit, thermal shutdown, undervoltage lockout and remote shutdown capability.


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    SPECIFICATION

    • AEC-Q100 Qualified (TJ = –40°C to 125°C)
    • Integrated 75-V N-Channel MOSFET
    • Ultra-Wide Input Voltage Range from
      3.1 V to 75 V
    • Integrated High Voltage Bias Regulator
    • Adjustable Output Voltage
    • 1.5% Output Voltage Accuracy
    • Current Mode Control with Selectable
      Compensation
    • Wide Bandwidth Error Amplifier
    • Integrated Current Sensing and Limiting
    • Integrated Slope Compensation
    • 85% Maximum Duty Cycle Limit
    • Single Resistor Oscillator Programming
    • Oscillator Synchronization Capability
    • Enable / Undervoltage Lockout (UVLO) Pin
    • Thermal Shutdown