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Posted on January 17, 2013 at 16:25Hello,I need a cheap 10mA current source. LM334 looks perfect for my application, but I cannot find out ratio n with the datasheet's curve ( The ''Ratio of Iset to V- current'' curve stop around Iset=6mA )Does anyo...
Posted on June 06, 2012 at 15:59Hi,I'm working on a custom design with in a STM32F4xx. A 420mF capacitor is connected to Vbat. ( with a serial diode and a resistor between Valim and Vbat to charge up the supercapacitor ).The system power off it stil...