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LX8554-XX Datasheet(PDF) 7 Page - Microsemi Corporation |
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LX8554-XX Datasheet(HTML) 7 Page - Microsemi Corporation |
7 / 7 page 5A EXTREMELY LOW DROPOUT POSITIVE REGULATORS LX8554-xx PRODUCT DA T ABOOK 1996/1997 7 Copyright © 1997 Rev. 1.1 1/97 P RODUCTION D AT A S HEET TYPICAL APPLICA TIONS LX8554 OUT IN ADJ 150µF V IN R2 365 W 1% 10µF R1 121 W 1% C1 10µF* * C1 improves ripple rejection. X C should be » R1 at ripple frequency. V OUT 5V (Note A) FIGURE 5 — 1.2V - 8V ADJUSTABLE REGULATOR FIGURE 4 — IMPROVING RIPPLE REJECTION LX8554 OUT IN ADJ V OUT** V IN R1 121 W R2 1k C1* 10µF * Needed if device is far from filter capacitors. ** V OUT = 1.25V 1 + C2 100µF R2 R1 (Note A) FIGURE 6 — 5V REGULATOR WITH SHUTDOWN (Note A) LX8554 OUT IN ADJ 5V V IN 121 W 1% 10µF 100µF 365 W 1% 1k 1k 2N3904 TTL Output Note A: V IN (MIN) = (Intended VOUT) + (VDROPOUT (MAX)) FIGURE 7 — FIXED 3.3V OUTPUT REGULATOR 3.3V V IN 10µF Tantalum or 100µF Aluminum Min. 15µF Tantalum or 100µF Aluminum capacitor. May be increased without limit. ESR must be less than 50m W . LX8554-33 OUT IN GND Pentium is a registered trademark of Intel Corporation. Power PC is a trademark of International Business Machines Corporation. |
Similar Part No. - LX8554-XX |
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Similar Description - LX8554-XX |
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