| Description & Applications | 200 mA, PFM Step-Up Micro power Switching Regulator •Extremely Low Startup Voltage of 0.8 V •Operation Down to Less than 0.3 V •High Efficiency 85% (Vin = 2.0 V, VOUT = 3.0 V, 70 mA) •Low Operating Current of 30A (VOUT = 1.9 V) •Output Voltage Accuracy ± 2.5% •Low Converter Ripple with Typical 30 mV •Only Three External Components Are Required •Chip Enable Power Down Capability for Extended Battery Life •Micro Miniature Thin SOT-23-5 Packages •Pb-Free Packages are Available •Cellular Telephones •Pagers •Personal Digital Assistants (PDA) •Electronic Games •Portable Audio (MP3) •Camcorders •Digital Cameras •Handheld Instruments |