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AP1184T550L Datasheet(PDF) 2 Page - Anachip Corp |
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AP1184T550L Datasheet(HTML) 2 Page - Anachip Corp |
2 / 11 page 4A Ultra Low Dropout Positive Adjustable or Fixed-mode Regulator AP1184 Anachip Corp. www.anachip.com.tw Rev.1.1 Sep 7, 2004 2/11 Block Diagram THERMAL SHUTDOWN Vout Adj 1.25V + CURRENT LIMIT Vin + - + + Vsense Vctrl Pin Configuration (AP1184K5) (AP1184T5) Tab is Vout FRONT VIEW 3 2 1 Vout Vsense Adj(GND) Vctrl Vin 4 5 Tab is Vout FRONT VIEW Vout Vsense Adj(GND) Vctrl Vin 5 2 1 4 3 ( AP1184S7 ) Adj(GND) Vsense Vin Vctrl Vin Vout NC 7 6 5 8 2 3 4 1 Pin Descriptions Pin Numbers with standard type are for TO220-5L, TO263-5L packages, and those with boldface type are for SOP-7L Name I/O Description Adj (GND) A resistor divider from this pin to the Vout pin and ground sets the output voltage. (GND only for fixed mode) Vsense I This pin is the positive side of the reference that allows remote load sensing to achieve excellent load regulation. A minimum of 10uF capacitor must be connected from this pin to ground to insure stability. Vin I The input of the 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 higher than Vout in order for the device to regulate. Vctrl I This pin is the supply pin for the internal control circuit as well as the base drive for the pass transistor. This pin must always by higher than the Vout pin in order the device to regulate. A minimum of 100uF capacitor must be connected from this pin to ground to insure stability. NC No connection Vout O The output of the regulator. A minimum of 100uF capacitor must be connected from this pin to ground to insure stability. |
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