TPS63806

ACTIVE

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2.5-A high-efficient buck-boost converter with optimized load step response in tiny WCSP

• Two pin-2-pin device options, TPS63805 and TPS63806 with specific application focus
• Input voltage range: 1.3 V to 5.5 V
  • Device input voltage > 1.8 V for start-up
• Output voltage range: 1.8 V to 5.2 V (adjustable)
• High efficiency over the entire load range
  • Low operating quiescent current
  • Power save mode and mode selection for forced PWM-mode
• Peak current buck-boost mode architecture
  • Defined transition points between buck, buck-boost, and boost operation modes
  • Forward and reverse current operation
  • Start-up into pre-biased outputs
• Safety and robust operation features
  • Integrated soft start
  • Overtemperature- and overvoltage-protection
  • True shutdown function with load disconnect
  • Forward and backward current limit
• TPS63805
  • Optimized for smallest solution size of 18.5 mm² (works with a 22-µF minimum output capacitor)
  • 2-A Output current for V_I ≥ 2.3 V, V_O = 3.3 V
  • 11-µA Operating quiescent current
• TPS63806
  • Optimized for best load step response (180-mV load-step response at a 2 A current step)
  • Up to 2.5 A transient output current
  • 13-µA Operating quiescent current

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