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Now downloading free:SGS-Thomson L4920

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File name:L4920.pdf
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Original Chassis:L4920
Descr:L4920 L4921 very low drop adjustable regulators
Group:Electronics > Components > Integrated circuits >
Uploaded:2004-03-09 16:09:21
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L4920.pdfL4920 L4921 VERY LOW DROP ADJUSTABLE REGULATORS . . . . . . . . VERY LOW DROP VOLTAGE ADJUSTABLE OUTPUT VOLTAGE FROM 1.25V TO 20V 400mA OUTPUT CURRENT LOW QUIESCENT CURRENT REVERSE VOLTAGE PROTECTION + 60/ - 60V TRANSIENT PEAK VOLTAGE PROTECTION SHORT CIRCUIT PROTECTION WITH FOLDBACK CHARACTERISTICS THERMAL SHUT-DOWN Pentawatt DESCRIPTION The L4920 and L4921 are adjustable voltage regulators with a very low voltage drop (0.4V typ. at 0.4A Tj = 25C), low quiescent current and comprehensive on-chip protection. These devices are protected againstload dump and field decay transients, polarity reversal and over heating. A foldback current limiter protects against load short circuits. The output voltage is adjustable throughan external divider from 1.25V to 20V. The minimum operating input voltage is 5.2V (TJ = 25C). BLOCK DIAGRAM Minid ip (4 + 4) ORDERING NUMBERS : L4920 (Pentawatt) L4921 (Minidip) These regulators are designed for automotive, industrial and consumer applications w

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