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| 型號： | LA8385-33IPT |
| 英文描述： | Analog IC |
| 中文描述： | 模擬IC |
| 文件頁數(shù)： | 8/8頁 |
| 文件大小： | 233K |
| 代理商： | LA8385-33IPT |
3A L
O W
D
R O P O U T
P
O S I T I V E
R
E G U L AT O R S
LX8385-xx/8385A-xx/8385B-xx
P R O D U C T D A T A B O O K 1 9 9 6 / 1 9 9 7
Copyright 1999
Rev. 2.0a 10/00
8
P
R O D U C T I O N
D
A T A
S
H E E T
TYPICAL APPLICATIONS
LX8385/85A/85B
IN
ADJ
OUT
150μF
V
IN
R2
365
1%
10μF
R1
121
1%
C1
10μF*
* C1 improves ripple rejection.
X
should be
≈
R1 at ripple
frequency.
V
OUT
5V
(Note A)
FIGURE 5
— 1.2V - 8V Adjustable Regulator
FIGURE 4
— Improving Ripple Rejection
LX8385/85A/85B
IN
ADJ
OUT
V
OUT
**
V
IN
R1
121
R2
1k
C1*
10μF
* Needed if device is far from filter capacitors.
R2
R1
** V
OUT
= 1.25V 1 +
C2
100μF
(Note A)
FIGURE 6
— 5V Regulator With Shutdown
(Note A)
LX8385/85A/85B
IN
ADJ
OUT
5V
V
121
1%
10μF
100μF
365
1%
1k
1k
2N3904
TTL
Output
Note A: V
IN (MIN)
= (Intended V
OUT
) + (V
DROPOUT (MAX)
)
FIGURE 7
— Fixed 3.3V Output Regulator
LX8385/85A/85B-33
IN
GND
OUT
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
.
PRODUCTION DATA - Information contained in this document is proprietary to Linfinity, and is current as of publication date. This document
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