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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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TC1054 датащи(PDF) 8 Page - Microchip Technology |
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TC1054 датащи(HTML) 8 Page - Microchip Technology |
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8 / 18 page  TC1054/TC1055/TC1186 DS21350D-page 8 © 2007 Microchip Technology Inc. 3.0 PIN DESCRIPTIONS The descriptions of the pins are listed in Table 3-1. TABLE 3-1: PIN FUNCTION TABLE 3.1 Unregulated Supply Input (VIN) Connect unregulated input supply to the VIN pin. If there is a large distance between the input supply and the LDO regulator, some input capacitance is necessary for proper operation. A 1 µF capacitor connected from VIN to ground is recommended for most applications. 3.2 Ground Terminal (GND) Connect the unregulated input supply ground return to GND. Also connect the negative side of the 1 µF typical input decoupling capacitor close to GND and the negative side of the output capacitor COUT to GND. 3.3 Shutdown Control Input (SHDN) The regulator is fully enabled when a logic-high is applied to SHDN. The regulator enters shutdown when a logic-low is applied to SHDN. During shutdown, output voltage falls to zero, ERROR is open-circuited and supply current is reduced to 0.5 µA (max). 3.4 Out Of Regulation Flag (ERROR) ERROR goes low when VOUT is out-of-tolerance by approximately -5%. 3.5 Regulated Voltage Output (VOUT) Connect the output load to VOUT of the LDO. Also connect the positive side of the LDO output capacitor as close as possible to the VOUT pin. Pin No. Symbol Description 1VIN Unregulated supply input 2 GND Ground terminal 3SHDN Shutdown control input 4ERROR Out-of-Regulation Flag (Open-drain output) 5VOUT Regulated voltage output |
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