LX8815 Microsemi Corporation, LX8815 Datasheet - Page 4

• 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 1
Output Voltage
Line Regulation
Load Regulation
Dropout Voltage
Current Limit
Minimum Load Current
FIXED OUTPUT 2
Output Voltage
Line Regulation
Load Regulation
Dropout Voltage
Current Limit
Minimum Load Current
ENTIRE REGULATOR
Quiescent Current
Ripple Rejection
RMS Output Noise (% of V
Thermal Shutdown
LX8815-3325
LX8815-3318
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
                  
                        
OUT (MAX)
OUT (MAX)
PSRR
OUT (RMS)
V
V
T
V
V
1
1
V
V
I
I
I
JSD
(V
1
(V
1
Q
L
L
V
V
1
(I
1
(I
IN
1
IN
1
)
)
)
)
Linfinity Microelectronics Division
IN
V
5mA < I
4.75V < V
5mA < I
I
(V
Note 1
V
5mA < I
V
5mA < I
4.75V < V
5mA < I
V
(V
Note 1
V
10Hz < f < 10kHz
f=120Hz, V
LOAD

IN
IN
IN
IN
IN
= 5V, I
IN
IN
= 5V, I
= 5V, I
= 5V, I
> 4.5V, I
< 10V, I
– V
– V
Microsemi
= 1A, V
1
1
1
1
1
1
1
OUT
)
)
< 1A, 4.50V < V
< 1A, 4.50V < V
< 1A, 4.50V < V
< 1A, V
< 1A, V
IN
IN
OUT
OUT
OUT
1
IN
= 10mA, C
< 10V, I
< 10V, I
LOAD
= 5mA, I
= 5V
Test Conditions
= 5mA, T
= 5mA, T
= 5mA, 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
= 25 C
= 25 C
= 25 C
IN
IN
IN
1
= -1%
< 10V
< 10V
< 10V
     
P
RELIMINARY
2
= 4.7 F (Tantalum), and T
3.250
3.234
2.462
2.450
1.773
1.764
Min
1.0
1.0
60
T
LX8815-33xx
A
3.300
3.300
0.003
2.50
2.50
1.80
1.80
0.02
0.04
Typ
125 C except where
140
0.3
0.8
1.1
1.4
1.1
1.4
1.8
75
0
1
3.350
3.366
2.537
2.550
1.827
Max
1.25
1.36
0.15
0.3
5.0
1.3
10
2
2
7
LX8815
J
= T
Units
%mV
%mV
%V
mV
mV
mA
mA
mA
A
dB
V
V
A
V
V
A
C
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