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AP1117YXXL-13 Datasheet(PDF) 2 Page - Diodes Incorporated |
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AP1117YXXL-13 Datasheet(HTML) 2 Page - Diodes Incorporated |
2 / 13 page AP1117/AP1117I Document number: DS31009 Rev. 23 - 2 2 of 13 www.diodes.com June 2013 © Diodes Incorporated AP1117/AP1117I Typical Applications Circuit ( 5V/3.3V fixed output ) ( 5V/2.5V ADJ output ) ) R R (1 V V 1 2 REF o Ω Ω Pin Descriptions Pin Number I/O Pin Name Function 1 I Adj (GND) A resistor divider from this pin to the VOUT pin and ground sets the output voltage (Ground only for Fixed-Mode). 2 O VOUT The output of the regulator. A minimum of 4.7µF capacitor (0.15 Ω ≤ ESR ≤ 0.5Ω) must be connected from this pin to ground to insure stability. 3 I VIN 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 minimum 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. A minimum of 4.7µF capacitor (0.15 Ω ≤ ESR ≤0.5Ω) must be connected from this pin to ground to insure stability. Functional Block Diagram 3 Thermal Shutdown 1 2 VOUT Adj 1.25V + + CURRENT LIMIT VIN + + 1 GND (FIXED) |
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