Description & Applications | Low Voltage 2MHz Step-Up DC/DC Converter • 100mA Output from a Single AA Cell Input • 250mA Output from a Dual AA Cell Input • VIN Operation Range: 0.8V to VOUT • Up to 93% Efficiency • Low Start-Up Voltage: 1.0V • Internal Synchronous Rectifier • Current Mode Control with Internal Feedback and Compensation • 2MHz Fixed Switching Frequency • 1A Current Limit • Maintains High Efficiency Over the Output • Low 40µA No Load Bias Current • Short-Circuit and Over-Current Protection • Inrush Current Limit and Soft Start • Low Shutdown Current: <1.0µA • -40°C to +85°C Temperature Range • 2.0x2.1mm SC70JW-8 Package • Bluetooth™ Headsets • Digital Cameras • Medical Instruments • Mobile Handsets • MP3 and Portable Music Players |