admin 发表于 2010-4-17 14:15:27

TC1307 Datasheet

http://www.microchip.com/stellent/images/mchpsiteimages/dwnfolder.gifTC1307 Datasheet


The TC1307 combines four CMOS Low Dropout Regulators and a Microprocessor Monitor in a space-saving 16-Pin QSOP 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 220µA at full load on all four LDO channels. The TC1307 features selectable output voltages for higher design flexibility. The SELECT Mode pins allows the user to select from 4 different values (1.8V, 2.5V, 2.8V and 3.0V). An active low RESET is asserted when the output voltage VOUT2 falls below the 2.63V reset voltage threshold. Other key features for the device include ultra low-noise operation, fast response to step changes in load, and very low dropout voltage, typically 165mV 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.
   
Parameter NameValue
Max Input Voltage6
Output Voltage (v)1.8, 2.5, 2.8, 3.0
Typical Active Current (µA)220
Typical Dropout Voltage @ Max. lout (mV)200
Typical Output Voltage Accuracy (%)0.5
Output Capacitor TypeCeramic/Aluminum/Tantalum
Output Current (mA)150

   Features
(*Each channel (for Dual and Quad LDOs))
Extremely Low Supply Current for Longer Battery Life!
SelectMode™:Selectable Output Voltages for High Design Flexibility
Very Low Dropout Voltage
10µsec (Typ.) Wake Up Time from SHDN
Guaranteed 150mA Output Current
High Output Voltage Accuracy
Power-Saving Shutdown Mode
RESET Output Can Be Used as a Low Battery
Detector or Processor Reset Generator
Over-Current and Over-Temperature Protection


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