SGM66055A.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
? Wide input voltage range from 2.3 V to 5.5 V
? Fixed output voltage: 4.5 / 4.7 / 5.0 / 5.2 V
? Two FETs integrated: 35-mΩ LS-FET, 60-mΩ HS-FET
? IOUT ≥ 1500-mA continuously at VOUT = 5 V and VIN ≥ 3 V
? 42-μA quiescent current from input
? 4-A switching valley current limit
? 3.8-MHz switching frequency
? Selectable auto PFM, forced PWM, and ultrasonic mode
? Support pass-through mode
? ±2% output voltage accuracy
? 600-μs soft-start time
? Hiccup-mode short protection
? Load disconnection during shutdown
? Thermal shutdown
? Total solution size < 25 mm2
? Create a custom design using the
TPS61253A with the WEBENCH? Power Designer
