STMicroelectronics STEVAL-QUADV01

The STEVAL-QUADV01 evaluation board is based on the L6981 (capable of delivering up to 1.5 A DC), the L7983 (capable of delivering up to 300 mA DC), the ST1PS03 (capable of delivering up to 400 mA DC) synchronous monolithic step-down regulators, and the ST730 (capable of delivering up to 300 mA DC) LDO regulator.

The combination of input voltage and output current ranges, and other embedded features makes the evaluation tool suitable for a broad range of applications. eDSim SIMetrix simulation tool is ready supporting all the on-board DC-DC Converters as well.

Key features

• Four different breakable stepdown regulators PCBs with parts:
  • Buck Regulators :
    • L6981 : 38 V, 1.5 A synchronous step-down converter with low quiescent current
    • L7983 : 60 V 300 mA synchronous step-down switching regulator with 10 µA quiescent current
    • ST1PS03 : 400 mA nano-quiescent synchronous step-down converter with digital voltage selection, Power Good and independent Load Switch
  • Low Dropout (LDO) Linear Regulators
    • ST730 : 300 mA, 28 V low-dropout voltage regulator, with 5 µA quiescent current
• L6981
  • 3.5 V to 38 V operating input voltage
  • Output voltage from 0.85 V to VIN
  • 1.5 A DC output current
  • Internal compensation network
  • 2 μA shutdown current
  • Internal soft-start
  • Enable function
  • Overvoltage protection
  • Thermal protection
• L7983
  • 3.5 V to 60 V operating input voltage
  • Output voltage from 0.85 V to VIN
  • 300 mA DC output current
  • Internal compensation network
  • 2.3 uA shutdown current
  • Internal soft-start
  • Enable function
  • Overvoltage protection
• ST1PS03
  • 1.8 V to 5.5 V operating input voltage
  • Output voltage selectable from 1.6 V to 3.3 V
  • 400 mA DC output current
  • 500 nA (typ.) quiescent current
  • Load switch controlled by AUX input
  • Enable function
• ST730
  • 2.5 V to 28 V input voltage range
  • Output voltage from 1.2 V to VIN
  • 300 mA DC output current
  • 5 uA (typ) no-load quiescent current
  • Current limit and SOA protection
  • Enable function

Applications

• DC-DC Converters
• Linear Voltage Regulators

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