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LX8587A-33 Datasheet(PDF) 8 Page - Microsemi Corporation |
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LX8587A-33 Datasheet(HTML) 8 Page - Microsemi Corporation |
8 / 8 page 3A L OW D ROPOUT P OSITIVE R EGULATORS LX8587-xx/8587A-xx PRODUCT DA T ABOOK 1996/1997 Copyright © 1998 Rev. 1.2 3/98 8 P RODUCTION D ATA S HEET TYPICAL APPLICA TIONS LX8587/87A 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 LX8587/87A 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) LX8587/87A 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 LX8587-33/87A-33 OUT IN GND 3.3V V IN 10µF Tantalum or 100µF Aluminum Min. 15µF Tantalum or 100µF Aluminum capacitor. May be increased as needed. ESR must be less than 50m W . Pentium is a registered trademark of Intel Corporation. Power PC is a trademark of International Business Machines Corporation. PRODUCTION DATA - Information contained in this document is proprietary to Lin Finity, and is current as of publication date. This document may not be modified in any way without the express written consent of LinFinity. Product processing does not necessarily include testing of all parameters. Linfinity reserves the right to change the configuration and performance of the product and to discontinue product at any time. |
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