TC1306

The TC1306 combines two CMOS Low Dropout Regulators and a Microprocessor Monitor in a space-saving 8-Pin MSOP package. Designed specifically for battery-operated systems, the device’s CMOS construction eliminates wasted ground current, significantly extending battery life. Total supply current for this device is typically 120µA at full load (20 to 60 times lower than in bipolar regulators!). The TC1306 features selectable output voltages for higher design flexibility. The dual-state SELECT pin allows the user to select VOUT2 from 2 different values (2.8V and 3.0V). VOUT1 supplies a fixed 1.8V voltage. An active low RESET is asserted when the output voltage VOUT2 falls below the 2.63V reset voltage threshold. The RESET output remains low for 300msec (typical) after VOUT2 rises above reset threshold. When the shutdown control (SHDN1) is low, the regulator output voltage VOUT1 falls to zero and RESET output remains valid. When the shutdown control (SHDN2) is low, the regulator output voltage VOUT2 falls to zero and RESET output is low. Other key features for the device include ultra low-noise operation, fast response to step changes in load, and very low dropout voltage, typically 240mV at full load. The device also incorporates both over-temperature and over-current protection. Each regulator is stable with an output capacitor of only 1µF and has a maximum output current of 150mA.