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A 1ccF (min) capacitor from VOUT to ground is recom- mended. The output capacitor should have an effective series resistance of sl or less, and a resonant frequency above lMHz.A1 ccF capacitorshould be connected from VIN to GND if there is more than 10 inches of wire between the regulatorand the AC filter capacitor, orifa battery is used as the powersource. Aluminum electrolyticortantalum capaci- tor types can be used. (Since many aluminum electrolytic capacitors freeze at approximately - 30IC, solid tantalums are recommended forapplications operating below -25IC.) When operating from sources other than batteries, supply- noise rejection and transient response can be improved by increasing the value of the input and output capacitors and employing passive filtering techniques.