LX8815 Microsemi Corporation, LX8815 Datasheet - Page 3

• Manufacturer Part Number: LX8815
• Description: Dual Channel 1a Low Dropout Regulator
• Manufacturer: Microsemi Corporation

Copyright
Rev. 0.2a, 2000-11-20
A
Note 1: Minimum load current is defined as the amount of output current required to maintain regulation.






Unless otherwise specified, the following specifications apply over the operating ambient temperature 0 C
otherwise noted and the following test conditions: V
25 C using low duty cycling methods.
M I C R O S E M I
FIXED OUTPUT
Output Voltage
Line Regulation
Load Regulation
Dropout Voltage
Current Limit
Minimum Load Current
ADJUSTABLE OUTPUT
Reference Voltage
Line Regulation
Load Regulation
Dropout Voltage
Current Limit
Minimum Load Current
Adjust Pin Bias Current
ENTIRE REGULATOR
Quiescent Current
Ripple Rejection
RMS Output Noise (% of V
Thermal Shutdown
LX8815-3300
LX8815-2800
LX8815-2500
2000
Parameter



11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: [phone]
C O M P A N Y
OUT
)
V
I
I
Symbol
                  
                        
V
OUT (MAX)
OUT (MAX)
PSRR
OUT (RMS)
V
V
V
REF
T
V
I
REF
1
V
ADJ
I
I
REF
I
JSD
(V
1
Q
L
L
V
V
1
(I
(V
(I
IN
1
)
2
IN
)
)
Linfinity Microelectronics Division
) 4.75V < V
IN
V
5mA < I
V
5mA < I
V
5mA < I
4.75V < V
5mA < I
I
(V
Note 1
V
5mA < I
5mA < I
V
(V
Note 1
V
10Hz < f < 10kHz
f=120Hz, V
LOAD

IN
IN
IN
IN
IN
IN
= 5V, I
IN
IN
= 5V, I
= 5V, I
= 5V, I
= 5V, I
> 4.5V, I
< 10V, I
– V
– V
Microsemi
= 1A, V
1
1
1
1
1
1
1
1
OUT
) = 5V
) = 5V
< 1A, 4.50V < V
< 1A, 4.50V < V
< 1A, 4.50V < V
< 1A, 4.50V < V
< 1A, V
< 1A, V
IN
IN
OUT
OUT
OUT
OUT
1
IN
= 10mA, C
< 10V, I
< 10V, I
LOAD
= 5mA, I
= 5V
Test Conditions
= 5mA, T
= 5mA, T
= 5mA, T
= 10mA, T
1
Dual Channel 1A Low Dropout Regulator
= -2%
IN
IN
= 1A, V
= 4.75V
= 4.75V
OUT
OUT
2
1
= 5mA
J
J
J
= 4.7 F (Tantalum), C
= 5mA
= 5mA
J
= 25 C
= 25 C
= 25 C
IN
IN
IN
IN
1
= 25 C
= -1%
< 10V
< 10V
< 10V
< 10V
     
P
RELIMINARY
2
= 4.7 F (Tantalum), and T
3.250
3.234
2.807
2.793
2.462
2.450
1.238
1.231
Min
1.0
1.0
60
T
LX8815-xx00
A
3.300
3.300
2.850
2.850
2.500
2.500
1.250
1.250
0.003
0.01
0.01
0.01
0.01
Typ
125 C except where
140
1.1
1.4
1.1
1.4
1.8
75
0
1
1
3.350
3.366
2.893
2.907
2.537
2.550
1.262
1.269
Max
1.25
0.4
0.4
0.2
0.2
1.3
2
3
5
5
LX8815
J
= T
Units
%V
%V
%V
%V
%V
mA
mA
mA
A
dB
V
V
A
V
V
A
C
A
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