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TC1306R-BDVUA 데이터시트(PDF) 1 Page - Microchip Technology |
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TC1306R-BDVUA 데이터시트(HTML) 1 Page - Microchip Technology |
1 / 18 page © 2007 Microchip Technology Inc. DS21527C-page 1 Features • Extremely Low Supply Current for Longer Battery Life • Select Mode™ Operation: Selectable Output Voltages for High Design Flexibility • Very Low Dropout Voltage •10 μsec (Typ.) Wake-Up Time from SHDN • Maximum 150mA Output Current per Output • High Output Voltage Accuracy • Power-Saving Shutdown Mode • RESET Output Can Be Used as a Low Battery Detector or Processor Reset Generator • Over Current Protection and Over Temperature Shutdown • Space Saving 8-Pin MSOP Package Applications • Load Partitioning • Battery Operated Systems • Portable Computers • Medical Instruments • Instrumentation • Pagers and Cellular/GSM/PHS Phones • Linear Post-Regulator for SMPS Device Selection Table NOTE: “R” denotes the suffix for the 2.63V RESET threshold. “B” indicates VOUT1 = 1.8V (fixed). “D” indicates VOUT2 = 2.8V, 3.0V (selectable). Other output voltages are available. Please contact Microchip Technology Inc. for details. Package Type General Description The TC1306 combines two CMOS Low Dropout Regu- lators and a Microprocessor Monitor in a space saving 8-Pin MSOP package. Designed specifically for battery operated systems, total supply current is typically 120 μA 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 input 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 125mV at full load). The device also incorporates both over temperature and over current protection. Each regulator is stable with an output capacitor of only 1 μF and has a maximum output current of 150mA. Typical Application Part Number Package Junction Temperature Range TC1306R-BDVUA 8-Pin MSOP -40°C to +125°C SHDN2 VIN VOUT2 VOUT1 1 GND SELECT 2 3 4 8 7 6 5 SHDN1 RESET TC1306 8-Pin MSOP VOUT2 VOUT1 RESET TC1306 3.3 µF 3.3 µF 1 2 3 4 8 7 6 5 VIN GND SELECT SHDN1 SHDN2 TC1306 Dual 150mA CMOS LDO With Select Mode™ Operation, Shutdown and RESET Output Obsolete Device |
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