Description

SMPS: Voltage mode buck converter system.
Both buck converters can be activated via high voltage capable pins ON1 and/or ON2.

LDO1: High voltage input LDO
LDO2-4: Low voltage input LDOs

Power Monitoring:
PGOOD indicates... read more

Features

  • Fixed frequency primary buck converter
    VIN max. 40V | VOUT from 4V to 6V | IOUT max. 800mA
  • Fixed frequency secondary buck converter
    VIN max. 6V | VOUT from 0.8V to 5.1V | IOUT max. 800mA
  • LDO 1 (Master) Input voltage max. to 40V supporting always-on mode, Outp. voltage progr. in 0.05V steps, IOUT max. 320mA
  • LDO 2 - 4 (with tracking option) Input voltage max. 6V
    Output voltage programmable in 0.05V steps, IOUT max. 350mA

Documentation

Document Description Type
Info Sheet PDF 260 kB

Application diagram

Applications

  • Microcontroller supply
  • Voltage Regulator

Order Information

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Samples

Part No. TempJunc Range Package Order No.
E522.51 -40°C to +105°C QFN48L7 E52251A78B