STBB3JR

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2A, 2MHz, high efficiency dual mode buck-boost DC-DC converter

Quantity $ per Unit Savings
1 - 9$2.860%
10 - 24$2.5710%
25 - 99$2.4315%
100 - 249$2.1126%
250 - 499$2.0030%
500$1.7937%
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$2.86
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Parameter NameParameter Value
Input Voltage Min Volt1.8
Input Voltage Max Volt5.5
Operating Temp Min Celsius-40.0
Operating Temp Max Celsius85.0
ECCN USEAR99
ECCN EUNEC
Packing TypeTape And Reel
ROHS Compliance GradeEcopack2
GradeIndustrial
Package NameCSP P 0.4 mm
Key features
  • Input voltage range from 1.8 V to 5.5 V
  • 2 A output current at 3.3 V in buck mode (VIN = 3.6 V to 5.5 V)
  • 800 mA output current at 3.3 V in boost mode (VIN 2.0 V)
  • Typical efficiency higher than 94%
  • ± 2% DC feedback voltage tolerance
  • Automatic transition between step-down and boost mode
  • Adjustable output voltage from 1.2 V to 5.5 V
  • Power save mode (PS) at light load
  • 2.0 MHz fixed switching frequency
  • Adjustable switching frequency up to 2.4 MHz (by external synchronous square signal)
  • Device quiescent current less than 50 μA
  • Load disconnect during shutdown
  • Shutdown function and soft-start
  • Shutdown current < 1 μA
  • Available in Flip Chip 20, pitch = 0.4 mm