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STEVAL-ISA055V2

0.7 A / 3.3 V synchronous buck converter with enable function based on the ST1S12XX

Target ApplicationLED illumination
Core ProductST1S12GR
Input Voltage Min Volt2.5
Input Voltage Max Volt5.5
ECCN USEAR99
ECCN EUNEC
Packing TypeNot Applicable
RoHs compliantEcopack2
GradeIndustrial
Package NameCARD

This demonstration board is based on the ST1S12 family of synchronous step-down DC-DC converters optimized for powering low-voltage digital cores in HDD (hard disk drive) applications, and is generally used to replace high-current linear solutions when power dissipation may cause high heating of...
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Key features
  • RDS(on) typ. 250 m and 400 m
  • Non switching quiescent current: max 600 μA over temperature range
  • Uses tiny capacitors and inductors
  • Internal soft-start
  • Enable function
  • Step-down current mode PWM (1.7 MHz) DCDC converter
  • 0.7 A output current capability
  • Fixed output voltage 3.3 V
  • Synchronous rectification
  • Typical efficiency: > 90%
  • 3% DC output voltage tolerance
In stock
Quantity $ per unit Savings
1-2$52.480%
Contact sales
$52.48
$52.48
Target ApplicationLED illumination
Core ProductST1S12GR
Input Voltage Min Volt2.5
Input Voltage Max Volt5.5
ECCN USEAR99
ECCN EUNEC
Packing TypeNot Applicable
RoHs compliantEcopack2
GradeIndustrial
Package NameCARD

This demonstration board is based on the ST1S12 family of synchronous step-down DC-DC converters optimized for powering low-voltage digital cores in HDD (hard disk drive) applications, and is generally used to replace high-current linear solutions when power dissipation may cause high heating of...
Read More

Key features
  • RDS(on) typ. 250 m and 400 m
  • Non switching quiescent current: max 600 μA over temperature range
  • Uses tiny capacitors and inductors
  • Internal soft-start
  • Enable function
  • Step-down current mode PWM (1.7 MHz) DCDC converter
  • 0.7 A output current capability
  • Fixed output voltage 3.3 V
  • Synchronous rectification
  • Typical efficiency: > 90%
  • 3% DC output voltage tolerance