LX8386-00 데이터 시트보기 (PDF) - Microsemi Corporation
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LX8386-00 Datasheet PDF : 11 Pages
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LX8386x-xx
TM
®
1.5A Low Dropout Positive Regulators
PRODUCTION DATA SHEET
TYPICAL APPLICATIONS
IN
VIN
(Note A) +
10µF
LXP8a3rt86
ADJ
OUT
R1
121Ω 1%
VOUT
150µF
* C1 improves ripple rejection.
XC should be≈ R1 at ripple
frequency.
R2
365Ω 1%
C1
+ 10µF*
Figure 4 – Improving Ripple Rejection
(Note A)
IN
VIN
C1* +
10µF
LXP8a3r8t 6
ADJ
R2
1k
OUT
VOUT**
R1
121Ω 1%
+
C2
100µF
* 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
OUT
LXP8a3r8t 6
5V
ADJ
1k
2N3904
1k
121Ω
1%
+
IN
VIN
365Ω
1%
100µF
10µF Tantalum or
100µF Aluminum
LXP8a3rt86
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
Figure 6 – 5V Regulator with Shutdown
N o t e A : VIN(MIN) = (Intended VOUT ) + VDROPOUT(MAX)
Copyright © 2000
Rev. 2.0, 2005-11-02
Microsemi
Linfinity Microelectronics Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 8
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