ADP3330ARTZ-2.5-R7 datasheet(10/12 Pages) AD

部品番号	ADP3330ARTZ-2.5-R7

部品情報	High Accuracy Ultralow IQ, 200 mA, SOT-23, anyCAP Low Dropout Regulator

PDF	12 Pages

Scroll/Zoom	100%

メーカー	AD [Analog Devices]

ホームページ	http://www.analog.com

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10 / 12 page

ADP3330

–10–

REV. A

APPLICATION CIRCUITS

Crossover Switch

The circuit in Figure 24 shows how two ADP3330s can be used to

form a mixed supply voltage system. The output switches between

two different levels selected by an external digital input. Output

voltages can be any combination of voltages from the Ordering

Guide of the data sheet.

ADP3330-3.6

ADP3330-2.5

OUT

GND

OUT

GND

1.0 F

0.47 F

VOUT = 3.6V/2.5V

VIN = 3.85V TO 12V

OUTPUT SELECT

LOGIC SUPPLY

Figure 24. Crossover Switch

Higher Output Current

The ADP3330 can source up to 200 mA at room temperature

without any heatsink or pass transistor. If higher current is

needed, an appropriate pass transistor can be used, as in Figure

25, to increase the output current to 1 A.

ADP3330-3

OUT

GND

VIN = 4.5V TO 8V

MJE253*

VOUT = 3V@1A

100 F

*AAVID531002 HEAT SINK IS USED

ERR

Figure 25. High Output Current Linear Regulator

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