10A L
OW
D
ROPOUT
P
OSITIVE
R
EGULATORS
LX8382-xx
PRODUCT DATABOOK 1996/1997
7
Copyright © 1997
Rev. 1.0 8/97
P RODUCTION DATA SHEET
TYPICAL APPLICATIONS
LX8382/82A-xx
OUT
IN
ADJ
150µF
V
IN
R2
365Ω
1%
10µF
R1
121
Ω
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 REGULATORFIGURE 4 — IMPROVING RIPPLE REJECTION
LX8382/82A-xx
OUT
IN
ADJ
V
OUT
**
V
IN
R1
121Ω
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)
LX8382/82A-xx
OUT
IN
ADJ
5V
V
IN
121Ω
1%
10µF
100µF
365
Ω
1%
1k
1k
2N3904
TTL
utput
Note A: V
IN (MIN)
= (Intended V
OUT
) + (V
DROPOUT (MAX)
)
Pentium is a registered trademark of Intel Corporation.
Cyrix is a registered trademark and 6x86 is a trademark of Cyrix Corporation. K6 is a trademark of AMD.
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 50mΩ.
LX8382/82A-33
OUT
IN
GND
PRODUCTION DATA - Information contained in this document is proprietary to Linfinity, 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.
