LX8384B-00CPT データシートの表示（PDF） - Microsemi Corporation
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LX8384B-00CPT Datasheet PDF : 11 Pages
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LX8384x-xx
TM
®
5A Low Dropout Positive Regulators
PRODUCTION DATA SHEET
TYPICAL APPLICATIONS
IN
VIN
(Note A) +
10µF
LX8384x
ADJ
OUT
R1
121Ω 1%
VOUT
150µF
R2
365Ω 1%
C1
+ 10µF*
* C1 improves ripple rejection.
XC should be ≈ R1 at ripple
frequency.
FIGURE 4 - IMPROVING RIPPLE REJECTION
(Note A)
IN
VIN
C1* +
10µF
LX8384x
ADJ
OUT
VOUT**
R1
121Ω 1%
+
C2
100µF
R2
1k
* Needed if device is far from filter capacitors.
* *VOUT
= 1.25V⎜⎛1 +
⎝
R2 ⎟⎞
R1 ⎠
FIGURE 5 - 1.2V - 8V ADJUSTABLE REGULATOR
VIN
(Note A)
+
10µF
TTL
Output
IN LX8384x OUT
5V
ADJ
1k
2N3904
1k
121Ω
1%
+
365Ω
1%
100µF
FIGURE 6 - 5V REGULATOR WITH SHUTDOWN
IN
VIN
10µF Tantalum or
100µF Aluminum
LX8384x
ADJ
OUT
3.3V
Min. 15µF Tantalum or
100µF Aluminum capacitor. May
be increased without limit. ESR
must be less than <400mΩ.
FIGURE 7 - FIXED 3.3V OUTPUT REGULATOR
N o t e A : VIN(MIN) = (Intended VOUT ) + VDROPOUT(MAX)
Copyright © 2000
Rev. 2.1f, 2006-01-20
Microsemi Inc.
Integrated Products Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 8
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