LX8385 Microsemi Corporation, LX8385 Datasheet - Page 4

• Manufacturer Part Number: LX8385
• Description: 3 A Low Dropout Positive Regulators
• Manufacturer: Microsemi Corporation

Copyright © 2000
Rev. 2.0b, 2005-10-25
Unless otherwise specified, the following specifications apply over the operating ambient temperature for the LX8385x-xxC with
0°C
I
temperature.
OUT
Note 2
Note 3
Note 4
LX8385-05 / 8385A-05 / 8385B-05 (5.0V FIXED)
LX8385-33 / 8385A-33 / 8385B- (3.3V FIXED)(CONTINUED)
Maximum Output Current
Temperature Stability (Note 3)
Long Term Stability (Note 3)
RMS Output Noise (% of V
(Note 3)
Output Voltage
(Note 4)
Line Regulation (Note 2)
Load Regulation (Note 2)
Thermal Regulation
Ripple Rejection (Note 3)
Quiescent Current
Dropout Voltage
Maximum Output Current
Temperature Stability (Note 3)
Long Term Stability (Note 3)
RMS Output Noise (% of V
(Note 3)
≤
= 3A. Low duty cycle pulse testing techniques are used which maintains junction and case temperatures equal to the ambient
T
TM
A
≤
Regulation is measured at constant junction temperature, using pulse testing with a low duty cycle. Changes in output
voltage due to heating effects are covered under the specification for thermal regulation.
These parameters, although guaranteed are not tested in production.
See Maximum Output Current Section
Parameter
125°C and the LX8385-xxI with -25°C
LX8385-33
LX8385A/85B-33
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: [phone]
LX8385/85A-05
LX8385B-05
OUT
OUT
E L E C T R I C A L C H A R A C T E R I S T I C S ( C O N T I N U E D )
)
)
Symbol
ΔV
V
ΔV
ΔV
ΔV
I
ΔV
V
OUT(MAX)
I
OUT (RMS)
OUT(MAX)
ΔV
ΔV
OUT (RMS)
(Pwr)
(I
V
OUT
OUT
OUT
OUT
ΔV
OUT
OUT
I
OUT
Q
OUT
OUT
(T)
(V
(t)
)
(T)
(t)
IN
) 7V < V
Integrated Products Division
≤
V
T
T
V
7V < V
V
7V < V
V
T
C
0mA < I
ΔV
ΔV
V
T
T
Microsemi Inc.
A
A
IN
A
A
A
IN
IN
IN
IN
T
OUT
=125°C, 1000 hours
=25°C, 10Hz < f < 10kHz
=25°C, 20ms pulse
=125°C, 1000 hours
=25°C, 10Hz < f < 10kHz
=7V, I
=7V, I
=7V, 0mA < I
OUT
OUT
®
A
< 7V
< 10V
=100µF (Tantalum), I
≤
=1%, I
=1%, I
IN
IN
IN
OUT
125°C except where otherwise noted. Test conditions: V
OUT
< 10V, 0mA < I
OUT
< 10V, 0mA < I
< 10V
< I
=0mA, T
=0mA, T
OUT
OUT
OUT(MAX)
Test Conditions
OUT
< I
< I
OUT(MAX)
OUT(MAX)
3A Low Dropout Positive Regulators
< I
A
A
, 4.75V < V
=25°C
=25°C
OUT(MAX)
OUT
OUT
OUT
< 3A, P < P
< 3A, P < P
=3A
P
IN
RODUCTION
< 10V
MAX
MAX
D
ATA
Min
4.950
4.900
4.960
4.950
60
3
3
S
LX8385x-xx
HEET
0.003
Typ
0.003
0.25
5.00
5.00
5.00
5.00
0.01
3.5
0.3
0.25
1.2
1.1
3.5
0.3
83
2
5
4
IN
-V
LX8385x-xx
OUT
Max
5.050
5.100
5.040
5.050
0.02
1.5
1.3
1
10
25
10
1
= 3V;
Units
% / W
mV
mV
mA
%
%
%
A
dB
%
%
%
V
V
V
V
V
V
A
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