| Description & Applications | Synchronous Step-Down DC/DC Converter with Built-In LDO Regulator in Parallel Plus Voltage Detector •Input Voltage Range : 2.4V ~ 6.0V •Low ESR Capacitor : Ceramic capacitor compatible •VD Function : Sense internally either VDD, DCOUT, or VROUT. N-ch open drain output •Small Package : MSOP-10, USP-10 • •Output Voltage Range : 0.9V ~ 4.0V (Accuracy±2%) •Output Current : 600mA (for MSOP-10 package) 400mA (for USP-10 package) •Control Method : PWM or PWM/PFM Selectable •Oscillation Frequency : 300kHz, 600kHz, 1.2MHz Reglator Output : Parallel Input to DC/DC Converter •Output Voltage Range : 0.9V ~ 4.0V (Accuracy±2%) •Current Limit : 300mA •Dropout Voltage : 80mV @ IOUT=100mA (VOUT=2.8V) •High Ripple Rejection : 60dB @1kHz (VOUT=2.8V) |