SGM66055A-5.4YG.pdf• 93% Efficient Synchronous Boost Converter
• Device Quiescent Current: 23μA (TYP)
• Operating Input Voltage Range: 2.5V to 4.5V
• Fixed Output Voltages: 5.0V and 5.4V
• Output Voltage Clamping: 5.7V
• Power-Save Mode for Improved Efficiency at
Low Output Power
• Pass-through Mode by Pulling EN Low
• Low Reverse Leakage Current when VOUT > VIN
• Over-Temperature Protection
• Available in a Green WLCSP-1.21×1.21-9B Package
• -40℃ to +85℃ Operating Temperature Range
• Efficiency up to 94 %
• VIN≥VO, (Pass-Through Mode Operation)
• Load disconnect
• Current-mode controller
• Soft start function for limiting inrush
current with true load disconnect
• Overcurrent and over-temperature protection
• The PCA9412 totally disconnects input
to output when disabled
• The PCA9412A connects input to
output when disabled
• Wafer-Level Chip-Size Package (WLCSP)
with 0.4 mm pitch;
allows for the use of asmaller antenna,
or for greater signal strength
