LX8386-33CDT Microsemi Corporation, LX8386-33CDT Datasheet - Page 7

• Manufacturer Part Number: LX8386-33CDT
• Description: 1.5 A LOW DROPOUT POSITIVE REGULATORS
• Manufacturer: Microsemi Corporation

Copyright © 1999
Rev. 1.7a 10/00
Note A: V
(Note A)
* C1 improves ripple rejection.
V
X
frequency.
10µF
IN
C
should be
FIGURE 4 — Improving Ripple Rejection
IN (MIN)
LX8386/86A/86B
IN
R1 at ripple
= (Intended V
ADJ
or 100µF Aluminum
10µF Tantalum
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.
OUT
P R O D U C T D A T A B O O K 1 9 9 6 / 1 9 9 7
365
1 . 5 A L
) + (V
1%
R2
Output
V
(Note A)
IN
V
TTL
P
DROPOUT (MAX)
R1
121
1%
IN
FIGURE 6 — 5V Regulator With Shutdown
R O D U C T I O N
FIGURE 7 — Fixed 3.3V Output Regulator
O W
T Y P I C A L A P P L I C A T I O N S
C1
10µF*
D
)
10µF
1k
LX8386/86A/86B-33
IN
R O P O U T
5V
LX8386/86A/86B
IN
150µF
LX8386-xx/8386A-xx/8386B-xx
V
1k
OUT
GND
ADJ
2N3904
P
O S I T I V E
D
OUT
OUT
A T A
(Note A)
V
IN
* Needed if device is far from filter capacitors.
** V
FIGURE 5 — 1.2V - 8V Adjustable Regulator
S
R
OUT
121
1%
E G U L A T O R S
H E E T
365
1%
Min. 15µF Tantalum or
100µF Aluminum capacitor.
May be increased without
limit. ESR must be less
than 50m .
C1*
10µF
= 1.25V 1 +
LX8386/86A/86B
IN
3.3V
100µF
5V
ADJ
R2
1k
R2
R1
OUT
R1
121
C2
100µF
V
OUT
**
7