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LX1912 - VREF 800mV -1.0A -1.2MHz PWM

Description

KEY

Features

  • Internal Reference 800mv ±2% Accuracy (Line and Temp. ).
  • 4.0V to 6.0V Input Range.
  • Internal Soft Start.
  • Adj. Output From 0.8V to 90% of VIN.
  • Output Current up to 1.0A.
  • Quiescent Current < 550μA, Typical @ 23°C.
  • 1.2MHz PWM Frequency.
  • Over Voltage Protection.

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www.DataSheet4U.com TM ® LX1912 VREF @ 800mV, 1.0A, 1.2MHz PWM P RODUCTION D ATA SHEET DESCRIPTION KEY FEATURES ƒ Internal Reference 800mv ±2% Accuracy (Line and Temp.) ƒ 4.0V to 6.0V Input Range ƒ Internal Soft Start ƒ Adj. Output From 0.8V to 90% of VIN ƒ Output Current up to 1.0A ƒ Quiescent Current < 550μA, Typical @ 23°C ƒ 1.2MHz PWM Frequency ƒ Over Voltage Protection APPLICATIONS WWW . Microsemi . C OM The LX1912 operates as a Current Mode PWM Buck regulator that switches to PFM mode with light loads. The entire regulator function is implemented with few external components. The LX1912 responds quickly to dynamic load changes using a high bandwidth error amplifier and internal compensation.
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