admin 发表于 2010-4-17 14:28:57

TC1301A/B Datasheet

http://www.microchip.com/stellent/images/mchpsiteimages/dwnfolder.gifTC1301A/B Datasheet


The TC1301A/B combines two Low Drop Out (LDO) regulators and a microcontroller RESET function while the TC1302A/B is purely a dual LDO. Both parts are available in single 8-pin MSOP or DFN package. The TC1301A/B & TC1302A/B features low dropout voltages as low as 104mV @ 300mA, low quiescent current consumption at 116 µA typical and a voltage output accuracy of +/- 0.5%. Several fixed output voltage and detector voltage combinations are available. A reference bypass pin is available for TC1301A/B to further reduce output noise and improve the power supply rejection ratio of both LDOs. The TC1301A/B & TC1302A/B is stable over all line and load conditions with a minimum of 1 µF of ceramic output capacitance and utilizes a unique compensation scheme to provide fast dynamic response to sudden line voltage and load current changes.

Parameter NameValue
Max Input Voltage6
Typical Active Current (µA)103
Typical Dropout Voltage @ Max. lout (mV)104
Typical Output Voltage Accuracy (%)0.5
Output Capacitor TypeCeramic/Aluminum/Tantalum
Output Current (mA)300

   Features
Dual Output LDO with Microcontroller Reset Monitor
Output Voltage and RESET Threshold Voltage
Low Dropout Voltage
Low Supply Current: 116 µA, Typical
Reference Bypass Input for Low Noise Operation
Both Output Voltages Stable with a Minimum of 1 µF Ceramic Output Capacitor
Separate Input for RESET Detect Voltage
RESET Output Duration: 300 msec. Typical
Power Saving Shutdown Mode of OperationWake up from SHDN: 10 µsec. Typical
Small 8-pin DFN and 8-pin MSOP Package
Operating Junction Temperature Range: -40°C to +125°
Over Temperature and Over Current Protection


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