LX8584-33 MICROSEMI [Microsemi Corporation], LX8584-33 Datasheet - Page 7

• Manufacturer Part Number: LX8584-33
• Description: 7 A LOW DROPOUT POSITIVE REGULATORS
• Manufacturer: MICROSEMI [Microsemi Corporation]

Copyright © 1997
Rev. 1.2
Note A: V
(Note A)
* C1 improves ripple rejection.
4/97
V
X
frequency.
10µF
IN
C
should be
IN (MIN)
FIGURE 4 — IMPROVING RIPPLE REJECTION
LX8584/84A/84B
IN
R1 at ripple
= (Intended V
ADJ
or 100µF Aluminum
10µF Tantalum
OUT
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
) + (V
Output
7 A L
1%
R2
(Note A)
V
IN
V
TTL
IN
P
DROPOUT (MAX)
R1
121
1%
Power PC is a trademark of International Business Machines Corporation..
O W
R O D U C T I O N
FIGURE 6 — 5V REGULATOR WITH SHUTDOWN
FIGURE 7 — FIXED 3.3V OUTPUT REGULATOR
T Y P I C A L A P P L I C A T I O N S
Pentium is a registered trademark of Intel Corporation.
D
C1
10µF*
10µF
1k
R O P O U T
)
LX8584/84A/84B-33
IN
LX8584/84A/84B
IN
5V
1k
150µF
LX8584-xx/8584A-xx/8584B-xx
V
GND
OUT
ADJ
2N3904
P
O S I T I V E
D
OUT
OUT
A T A
(Note A)
V
IN
R
* Needed if device is far from filter capacitors.
** V
S
FIGURE 5 — 1.2V - 8V ADJUSTABLE REGULATOR
121
1%
E G U L A T O R S
365
1%
OUT
H E E T
Min. 15µF Tantalum or
100µF Aluminum capacitor.
May be increased without
limit. ESR must be less
than 50m .
C1*
10µF
= 1.25V 1 +
LX8584/84A/84B
IN
3.3V
100µF
5V
ADJ
R2
1k
R2
R1
OUT
R1
121
C2
100µF
V
OUT
**
7