LM5001

ACTIVE

3.1-75V Wide Vin, 1A Current Mode Non-Synchronous Switch Mode Regulator

A newer version of this product is available

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Same functionality with different pin-out to the compared device
LM51581 ACTIVE 1.5-A, 85-V, 2.2-MHz wide VIN boost, flyback, & SEPIC converter with dual random spread spectrum Newer device with higher Vout capability and higher switch current

Product details

Rating Catalog Operating temperature range (°C) -40 to 125 Topology Boost, Flyback, Forward, SEPIC Type Converter Vin (min) (V) 3.1 Vin (max) (V) 75 Switching frequency (min) (kHz) 50 Switching frequency (max) (kHz) 1500 Features Enable, Frequency synchronization, Nonsynchronous rectification, UVLO adjustable Vout (min) (V) 1.26 Vout (max) (V) 75 Iq (typ) (µA) 3100 Duty cycle (max) (%) 85 Switch current limit (typ) (A) 1
Rating Catalog Operating temperature range (°C) -40 to 125 Topology Boost, Flyback, Forward, SEPIC Type Converter Vin (min) (V) 3.1 Vin (max) (V) 75 Switching frequency (min) (kHz) 50 Switching frequency (max) (kHz) 1500 Features Enable, Frequency synchronization, Nonsynchronous rectification, UVLO adjustable Vout (min) (V) 1.26 Vout (max) (V) 75 Iq (typ) (µA) 3100 Duty cycle (max) (%) 85 Switch current limit (typ) (A) 1
SOIC (D) 8 29.4 mm² 4.9 x 6 WSON (NGT) 8 16 mm² 4 x 4
  • 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
  • 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

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.

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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