n 3A Switch in a Thermally Enhanced 16-Lead TSSOP or 8-Lead SO Package n Constant 1.25MHz Switching Frequency n Wide Operating Voltage Range: 3V to 25V n High Efficiency 0.09W Switch n 1.2V Feedback Reference Voltage n Uses Low Profile Surface Mount Components n Low Shutdown Current: 15mA n Synchronizable to 2MHz n Current Mode Loop Control n Constant Maximum Switch Current Rating at All Duty Cycles*