Description

Wide Operating Range, No RSENSETM Step-Down DC/DC Controller with SMBus Programming Features: SMBus/I²C™ Programmable Output Voltage: 1.3V to 3.5V No Sense Resistor Required 2% to 90% Duty Cycle at 200kHz tON(MIN) </= 100ns True Current Mode Control Stable with Ceramic COUT Power Good Output Voltage Monitor and 50µs Timer Wide VIN Range: 4V to 36V (Abs Max) Precision Resistor Divider and Reference Provide ±1.35% Output Voltage Accuracy Over Temperature Adjustable Switching Frequency and Current Limit Forced Continuous Control Pin Programmable Soft-Start Output Overvoltage Protection Optional Short-Circuit Shutdown Timer Available in a 28-Lead SSOP Package