Download LM2591HV Datasheet PDF
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LM2591HV Description

The LM2591HV series of regulators are monolithic integrated circuits that provide all the active functions for a step-down (buck) switching regulator, capable of driving a 1-A load with excellent line and load regulation. These devices are available in fixed output voltages of 3.3 V, 5 V, and an adjustable output version. This series of switching regulators is similar to the LM2590HV, but without some of the...

LM2591HV Key Features

  • 1 3.3-V, 5-V, and Adjustable Output Versions
  • Adjustable Version Output Voltage Range: 1.2 V
  • Specified 1-A Output Load Current
  • Available in 5-Pin Package
  • Input Voltage Range Up to 60 V
  • 150-kHz Fixed Frequency Internal Oscillator
  • ON and OFF Control
  • Low Power Standby Mode, IQ Typically 90 μA
  • High Efficiency
  • Thermal Shutdown and Current-Limit Protection