Description

Dual 2-Phase, No RSENSE, Synchronous Controller with Output Tracking Features: No Current Sense Resistors Required Out-of-Phase Controllers Reduce Required Input Capacitance Tracking Function Wide VIN Range: 2.75V to 9.8V 0.6V ±1% Voltage Reference High Current Limit Constant Frequency Current Mode Operation Low Dropout Operation: 100% Duty Cycle True PLL for Frequency Locking or Adjustment Selectable Pulse Skipping/Forced Continuous Operation Auxiliary Winding Regulation Internal Soft-Start Circuitry Power Good Output Voltage Monitor Output Overvoltage Protection Micropower Shutdown: IQ = 9μA Tiny Low Profile (4mm × 4mm) QFN and narrow SSOP packages.