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ST1S09PUR

ST1S09PUR

Active

ST1S09IPUR

2 A, 1.5 MHz PWM step-down switching regulator with synchronous rectification

Input Voltage Min Volt4.5
Input Voltage Max Volt5.5
Operating Temp Min Celsius-30.0
Operating Temp Max Celsius125.0
ECCN USEAR99
ECCN EUNEC
Packing TypeTape And Reel
RoHs compliantEcopack2
GradeIndustrial
Package NameDFN6 3x3

The ST1S09 is a step-down DC-DC converter optimized for powering low output voltage applications. It supplies a current in excess of 2 A over an input voltage range from 2.7 V to 6 V.A high PWM switching frequency (1.5 MHz) allows the use of tiny surface-mount components.Moreover, since the...
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Key features
  • Operating junction temp. -30 °C to 125 °C
  • Utilizes tiny capacitors and inductors
  • Available in DFN6 (3 x 3 mm) exposed pad
  • Non switching quiescent current: (typ) 1.5 mA over temperature range
  • Integrated output over-voltage protection
  • 1.5 MHz fixed frequency PWM with current control mode
  • Typical efficiency: > 90%
  • 2 A output current capability
  • Two versions available: power good or inhibit
  • RDSON (typ) 100 mΩ
  • 2 % DC output voltage tolerance
In stock
Quantity $ per unit Savings
1-9$1.880%
10-99$1.6015%
100-204$1.3628%
Contact sales
$1.88
$1.88
Input Voltage Min Volt4.5
Input Voltage Max Volt5.5
Operating Temp Min Celsius-30.0
Operating Temp Max Celsius125.0
ECCN USEAR99
ECCN EUNEC
Packing TypeTape And Reel
RoHs compliantEcopack2
GradeIndustrial
Package NameDFN6 3x3

The ST1S09 is a step-down DC-DC converter optimized for powering low output voltage applications. It supplies a current in excess of 2 A over an input voltage range from 2.7 V to 6 V.A high PWM switching frequency (1.5 MHz) allows the use of tiny surface-mount components.Moreover, since the...
Read More

Key features
  • Operating junction temp. -30 °C to 125 °C
  • Utilizes tiny capacitors and inductors
  • Available in DFN6 (3 x 3 mm) exposed pad
  • Non switching quiescent current: (typ) 1.5 mA over temperature range
  • Integrated output over-voltage protection
  • 1.5 MHz fixed frequency PWM with current control mode
  • Typical efficiency: > 90%
  • 2 A output current capability
  • Two versions available: power good or inhibit
  • RDSON (typ) 100 mΩ
  • 2 % DC output voltage tolerance