AST1S31HF Active

Up to 4 V, 3 A step-down 2.3 MHz switching regulator for automotive applications
Quantity $ per Unit Savings
1 - 9$3.000%
10 - 99$2.5615%
100 - 249$2.2226%
250 - 499$2.1030%
500$1.8837%
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Out of stock
$3.00
Parameter NameParameter Value
Input Voltage Min Volt2.8
Input Voltage Max Volt4.0
ECCN USEAR99
ECCN EUNEC
Packing TypeTape And Reel
ROHS Compliance GradeEcopack1
GradeAutomotive
Package NameVFDFPN 8 3x3x1.0
Key features
  • AECQ100 qualified
  • 3 A DC output current
  • 2.8 V to 4 V input voltage
  • Output voltage adjustable from 0.8 V
  • 2.3 MHz switching frequency
  • Internal soft-start and enable
  • Integrated 70 mΩ and 55 mΩ power MOSFETs
  • All ceramic capacitor
  • Power Good (POR)
  • Cycle-by-cycle current limiting
  • Current foldback short-circuit protection
  • VFDFPN 3 x 3 - 8L package