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LM5027A Key Features

  • 2 Voltage-Mode Control
  • Line Feed-Forward PWM Ramp
  • Internal 105V Rated Start-Up Bias Regulator
  • Programmable Line Under-Voltage Lockout
  • Versatile Dual Mode Over-Current Protection
  • Programmable Volt-Second Limiter and Soft
  • Programmable Synchronous Rectifier Soft
  • Precise 500mV Over-Current parator
  • Current Sense Leading Edge Blanking
  • Programmable Oscillator With 1 MHz

Other LM5027A Datasheets

Manufacturer Part Number Description
National Semiconductor Logo National Semiconductor LM5027 Voltage Mode Active Clamp Controller

LM5027A Description

The LM5027A is a functional variant of the LM5027 active clamp PWM controller. The functional difference of the LM5027A is that the maximum duty cycle of the LM5027A is decreased from 91% to 71%. In addition, the oscillator timing equation has been modified.