General Description
The MAX77178/MAX77179 step-down converters are optimized for powering the power amplifier (PA) in multimode/multiband handsets for 3G/4G applications such as LTE, WCDMA, as well as other RF PA applications
such as Wi-FiMand WiMAXM. 

FEATUREs
 Meet 3G/4G Timing and RF Spectrum Mask Requirements
 20µs (typ) Settling Time for 0.5V to 3.4V Output Voltage Change
 30µs (typ) Settling from Enable to 95% Output Voltage Regulation
 Four Selectable Output Voltages with Logic Inputs (MAX77178 Only)
 Analog Controlled Output Voltage Settings from 0.5V to VIN (MAX77179 Only)
 1A Peak Output Current Capability
 ±3% Output Voltage Accuracy
 Allows Use of Small (1210) 0.47µH Inductor
 100% Duty-Cycle Operation
 Simple Logic On/Off Controls
 < 1µA Shutdown Supply Current
 2.5V to 5.5V Supply Voltage Range
 Overcurrent and Overtemperature Protection

APPLICATIONs
LTE, WCDMA Cell Phones/Smartphones /Tablets/Data Cards