| Description & Applications | STEP-DOWN, PWM CONTROL or PWM / PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER •On-board power supplies of battery devices for mobile phone, electronic notebooks, PDAs. • Power supplies for audio equipment, including portable CD players and headphone stereo equipment. • Fixed voltage power supply for cameras, video and communication devices. • Power supplies for microcomputers • Conversion of AC adapter input to 5 V / 3 V. |