LX8587-33 Microsemi Corporation, LX8587-33 Datasheet - Page 8

• Manufacturer Part Number: LX8587-33
• Description: 3A LOW DROPOUT POSITIVE REGULATORS
• Manufacturer: Microsemi Corporation

LX8587-xx/8587A-xx
8
Note A: V
(Note A)
* C1 improves ripple rejection.
V
X
frequency.
10µF
IN
C
should be
IN (MIN)
FIGURE 4 — Improving Ripple Rejection
= (Intended V
IN
R1 at ripple
LX8587/87A
ADJ
or 100µF Aluminum
10µF Tantalum
OUT
OUT
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.
P R O D U C T D A T A B O O K 1 9 9 6 / 1 9 9 7
365
) + (V
3 A L
1%
R2
Output
V
(Note A)
IN
DROPOUT (MAX)
V
Power PC is a trademark of International Business Machines Corporation.
TTL
P
R1
121
1%
IN
O W
R O D U C T I O N
FIGURE 7 — Fixed 3.3V Output Regulator
FIGURE 6 — 5V Regulator With Shutdown
T Y P I C A L A P P L I C A T I O N S
Pentium is a registered trademark of Intel Corporation.
C1
10µF*
D
)
10µF
R O P O U T
1k
IN
LX8587-33/87A-33
5V
IN
LX8587/87A
150µF
1k
V
OUT
ADJ
GND
2N3904
P
O S I T I V E
D
OUT
A T A
(Note A)
OUT
V
IN
R
* Needed if device is far from filter capacitors.
** V
FIGURE 5 — 1.2V - 8V Adjustable Regulator
S
121
1%
E G U L A T O R S
365
1%
OUT
H E E T
C1*
10µF
= 1.25V 1 +
Min. 15µF Tantalum or
100µF Aluminum capacitor.
May be increased as needed.
ESR must be less than 50m .
IN
LX8587/87A
100µF
5V
3.3V
ADJ
R2
1k
R2
R1
OUT
R1
121
C2
100µF
Copyright © 1998
V
Rev. 1.2
OUT
**
3/98