ST1S12GR

ST1S12GR

Active

ST1S12G12R

Synchronous rectification with enable, 0.7 A, 1.7 MHz fixed or adjustable step-down switching regulator in TSOT23-5L

Input Voltage Min Volt2.5
Input Voltage Max Volt5.5
Operating Temp Min Celsius-40.0
Operating Temp Max Celsius125.0
ECCN USEAR99
ECCN EUNEC
Packing TypeTape And Reel
RoHs compliantEcopack2
GradeIndustrial
Package NameTSOT23-5L

The ST1S12 is a step down DC-DC converter optimized for powering low-voltage digital cores in HDD applications and, generally, to replace the high current linear solution when the power dissipation may cause high heating of the application environment. It provides up to 0.7 A over an input voltage...
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Key features
  • Step-down current mode PWM (1.7 MHz) DC-DC converter
  • 3% DC output voltage tolerance
  • Synchronous rectification
  • Fixed output voltage 1.2 V, 1.8 V, and ADJ (available on request 1.5 V, 2.5 V and 3.3 V)
  • Enable function
  • Internal soft start
  • Typical efficiency: > 90%
  • 0.7 A output current capability
  • Not switching quiescent current: max 650 μA over temperature range
  • RDSONtyp. 250 mΩ and 400 mΩ
  • Uses tiny capacitors and inductors
  • Operative junction temp. -40 °C to 125 °C
  • Available in TSOT23-5L package
In stock
Quantity $ per unit Savings
1-9$1.140%
10-90$0.9616%
Contact sales
$1.14
$1.14
Input Voltage Min Volt2.5
Input Voltage Max Volt5.5
Operating Temp Min Celsius-40.0
Operating Temp Max Celsius125.0
ECCN USEAR99
ECCN EUNEC
Packing TypeTape And Reel
RoHs compliantEcopack2
GradeIndustrial
Package NameTSOT23-5L

The ST1S12 is a step down DC-DC converter optimized for powering low-voltage digital cores in HDD applications and, generally, to replace the high current linear solution when the power dissipation may cause high heating of the application environment. It provides up to 0.7 A over an input voltage...
Read More

Key features
  • Step-down current mode PWM (1.7 MHz) DC-DC converter
  • 3% DC output voltage tolerance
  • Synchronous rectification
  • Fixed output voltage 1.2 V, 1.8 V, and ADJ (available on request 1.5 V, 2.5 V and 3.3 V)
  • Enable function
  • Internal soft start
  • Typical efficiency: > 90%
  • 0.7 A output current capability
  • Not switching quiescent current: max 650 μA over temperature range
  • RDSONtyp. 250 mΩ and 400 mΩ
  • Uses tiny capacitors and inductors
  • Operative junction temp. -40 °C to 125 °C
  • Available in TSOT23-5L package