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ST1S15J18R

500 mA, 6 MHz synchronous step-down converter

Input Voltage Min Volt2.3
Input Voltage Max Volt5.5
ECCN USEAR99
ECCN EUNEC
Packing TypeTape And Reel
RoHs compliantEcopack2
GradeIndustrial
Package NameCSP P 0.4 mm

The ST1S15 is a high efficiency miniaturized step-down converter able to provide 500 mA output current from an input voltage from 2.3 V to 5.5 V. This converter is specifically designed for applications where high efficiency and small application area are the key factors. Thanks to 6 MHz switching...
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Key features
  • 85% typical efficiency
  • 500 mA output current capability
  • 45 µA typical quiescent current
  • PFM or PWM operation for best efficiency over whole load range
  • Ultra-fast load and line transient
  • Short-circuit and thermal protection
  • Small external components
  • Auto or forced PWM selection with dedicated pin
  • Available in Flip Chip 6 package
In stock
Quantity $ per unit Savings
1-500$1.780%
Contact sales
$1.78
$1.78
Input Voltage Min Volt2.3
Input Voltage Max Volt5.5
ECCN USEAR99
ECCN EUNEC
Packing TypeTape And Reel
RoHs compliantEcopack2
GradeIndustrial
Package NameCSP P 0.4 mm

The ST1S15 is a high efficiency miniaturized step-down converter able to provide 500 mA output current from an input voltage from 2.3 V to 5.5 V. This converter is specifically designed for applications where high efficiency and small application area are the key factors. Thanks to 6 MHz switching...
Read More

Key features
  • 85% typical efficiency
  • 500 mA output current capability
  • 45 µA typical quiescent current
  • PFM or PWM operation for best efficiency over whole load range
  • Ultra-fast load and line transient
  • Short-circuit and thermal protection
  • Small external components
  • Auto or forced PWM selection with dedicated pin
  • Available in Flip Chip 6 package