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SM1117A Datasheet(PDF) 2 Page - SeCoS Halbleitertechnologie GmbH |
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SM1117A Datasheet(HTML) 2 Page - SeCoS Halbleitertechnologie GmbH |
2 / 4 page Elektronische Bauelemente SM1117A 1A Low Dropout Positive Adjustable or Fixed-Mode Regulator 01-Jun-2011 Rev. B Page 2 of 4 http://www.SeCoSGmbH.com/ Any changes of specification will not be informed individually. TYPICAL CIRCUIT BLOCK DIAGRAM PIN DESCRIPTIONS Name I/O Pin# Description Adj (Gnd) I 1 A resistor divider from this pin to the VOUT pin and ground sets the output voltage (Ground only for fixed mode) VOUT O 2 The output pin of regulator. A min. of 10μF capacitor must be connected from this pin to ground to insure stability. VIN I 3 The input pin of regulator. Typically a large storage capacitor is connected from this pin to ground to insure that the input voltage does not sag below the min. dropout voltage during the load transient response. This pin must always be 1.3V higher than VOUT in order for the device to regulate properly. ABSOLUTE MAXIMUM RATINGS Parameter Symbol Ratings Unit DC Supply Voltage Vin -0.3 to 12 V Power Dissipation (TA = 25°C) PD Internally Limited Operating & Temperature Range TSTG 0~150,-65~150 °C |
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