SGM66057.pdf? 2.7V to 4.85V Operating Input Voltage Range
? 5.25V Fixed Output Voltage
? Up to 96.8% Efficiency
? Device Quiescent Current: 24μA (TYP)
? Shutdown Current: 1μA (MAX)
? Valley Switch Current Limit: 3.4A (TYP)
? Improved Light Load Efficiency with Power-Save
Mode (PSM)
? Low Reverse Leakage Current when VOUT > VIN
? Load Disconnect during Shutdown
? Over-Temperature Protection
? Available in a Green WLCSP-1.26×1.21-9B Package
? Wide input voltage range from 2.3 V to 5.5 V
(TPS61253A)
? Wide input voltage range from 2.5 V to 5.5 V
(Startup>2.6V, TPS61253E)
? Fixed output voltage: 4.5 / 4.7 / 5.0 / 5.2 V / 5.25 V
? Two FETs integrated: 35-mΩ LS-FET, 60-mΩ HSFET
? IOUT ≥ 1500-mA continuously at VOUT = 5 V and
VIN ≥ 3 V (TPS61253A)
? IOUT ≥ 1500-mA continuously at VOUT = 5.25 V
and VIN ≥ 3 V (TPS61253E)
? 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
