AnalogicTech introduces a high efficiency charge pump for white LED flash applications

Advanced Analogic Technologies has introduced the AAT3175, a low noise, high frequency, current mode charge pump for white LED flash applications. It is the company’s first dedicated current mode fractional/doubler charge pump for camera flash applications, and is capable of driving up to three flash LEDs at 300mA total current with current sharing from a 2.7V to 5.5V source.