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ST1S03PUR

1.5 A, 1.5 MHz adjustable, step-down switching regulator

Operating RangeCommercial
Input Voltage Min Volt2.7
Input Voltage Max Volt16.0
Operating Temp Min Celsius0.0
Operating Temp Max Celsius125.0
ECCN USEAR99
ECCN EUNEC
Packing TypeTape And Reel
RoHs compliantEcopack2
GradeIndustrial
Package NameDFN6 3x3

The ST1S03 is a step-down DC-DC converter optimized for powering a low voltage digital core in HDD applications and, generally, to replace the high current linear solution when the power dissipation may cause a high heating of the application environment. It provides up to 1.5 A over an input...
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Key features
  • Step-down current mode PWM (1.5 MHz) DC-DC converter
  • 2% DC output voltage tolerance
  • Internal soft-start for STARTUP current limitation and power on delay of 50 - 100 μs
  • Typical efficiency: > 70% over all operating conditions
  • 1.5 A output current capability
  • Not switching quiescent current: max 2.5 mA over temperature range
  • Switch VDS: max. 350 mV at ISW= 750 mA
  • Uses tiny capacitors and inductors
  • Available in DFN6D 3 x 3 mm package with exposed pad
In stock
Quantity $ per unit Savings
1-9$1.220%
10-60$1.0415%
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$1.22
$1.22
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Operating RangeCommercial
Input Voltage Min Volt2.7
Input Voltage Max Volt16.0
Operating Temp Min Celsius0.0
Operating Temp Max Celsius125.0
ECCN USEAR99
ECCN EUNEC
Packing TypeTape And Reel
RoHs compliantEcopack2
GradeIndustrial
Package NameDFN6 3x3

The ST1S03 is a step-down DC-DC converter optimized for powering a low voltage digital core in HDD applications and, generally, to replace the high current linear solution when the power dissipation may cause a high heating of the application environment. It provides up to 1.5 A over an input...
Read More

Key features
  • Step-down current mode PWM (1.5 MHz) DC-DC converter
  • 2% DC output voltage tolerance
  • Internal soft-start for STARTUP current limitation and power on delay of 50 - 100 μs
  • Typical efficiency: > 70% over all operating conditions
  • 1.5 A output current capability
  • Not switching quiescent current: max 2.5 mA over temperature range
  • Switch VDS: max. 350 mV at ISW= 750 mA
  • Uses tiny capacitors and inductors
  • Available in DFN6D 3 x 3 mm package with exposed pad