LX8584-00CV 데이터 시트보기 (PDF) - Microsemi Corporation
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LX8584-00CV Datasheet PDF : 9 Pages
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LX8584x-xx
TM
®
7A Low Dropout Positive Regualtors
PRODUCTION DATA SHEET
APPLICATION NOTE
(Note A)
VIN
10 µF
LX8584/84A/84B
IN
OUT
ADJ
R1
121 Ω
1%
5V
VOUT
150 µF
* C1 improves ripple rejection.
XC should be ≈ R1 at ripple
frequency.
R2
365 Ω
1%
C1
10 µF*
VIN
(Note A)
LX8584/84A/84B
IN
OUT
ADJ
C1*
10µF
R2
1k
R1
121 Ω
VOUT**
C2
100 µF
Figure 4 – Improving Ripple Rejection
Needed if device is far from filter capacitors.
** VOUT = 1.25V
1 + R2
R1
Figure 5 – 1.2V – 8V Adjustable Regulator
VIN
(Note A)
LX8584/84A/84B
IN
OUT
ADJ
10µF
121Ω
1%
5V
100µF
TTL
Output
1k
2N3904
1k
365Ω
1%
Figure 6 – 5V Regulator with Shutdown
VIN
10µF Tantalum
or 100µF Aluminum
LX8584/84A/84B-33
IN
OUT
3.3V
GND
Min. 15µF Tantalum or
100µF Aluminum capacitor.
May be increased without
limit. ESR must be less
than 50mΩ.
Figure 7 – Fixed 3.3V Output Regulator
Note A: VIN(MIN) = (Intended VOUT) + (VDROPOUT(MAX))
Copyright © 1997
Rev. 1.3, 2005-11-11
Microsemi
Integrated Products Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 7
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