Qx2308 high efficiency PFM Synchronous Boost dc/dc converter

summary QX2308 It's a high efficiency 、 low power consumption 、 low Ripple 、 High frequency of operation PFM Synchronous Boost DC/DC converter . QX2308 Only three peripheral elements are required , Can be Boost the low input voltage to the required operating voltage . QX2308 The circuit can be adjusted internally （ Stepping 0.1V） To obtain the required output voltage . QX2308 The built-in synchronous switch tube can make the efficiency Up to 95%,QX2308 Work in PFM Pattern , It can effectively reduce the ripple under light load mode . QX2308 With very low static current, it is especially suitable for Suitable for handheld electronic devices . QX2308 use SOT23、SOT23-3、 SOT23-5、SOT89-3、TO92 Equal package characteristic Ø Highest efficiency ：95% Ø Maximum working frequency ：300 KHz Ø Low quiescent current ：13uA Ø Optional output voltage ：1.9V～3.3V Ø Output accuracy ：±2.5% Ø Low starting voltage ：0.65V Ø Low ripple , Low noise Application field Ø 1～2 An electronic device with a dry battery Ø Electronic dictionary 、 Digital camera 、LED Flashlight 、 LED The lamp 、 sphygmomanometer 、MP3、 Remote control toys 、 Wireless headset 、 Wireless mouse and keyboard 、 Medical apparatus and instruments 、 Anti loss device 、 Car alarm 、 The charger 、VCR、 PDA And other handheld electronic devices