AMS1085 Advanced Monolithic Systems, AMS1085 Datasheet - Page 6

• Manufacturer Part Number: AMS1085
• Description: 3A LOW DROPOUT VOLTAGE REGULATOR
• Manufacturer: Advanced Monolithic Systems

TYPICAL PERFORMANCE CHARACTERISTICS
Advanced Monolithic Systems, Inc. 6680B Sierra Lane, Dublin, CA 94568 Phone [phone] Fax [phone]
-0.1
-0.2
-0.3
0.3
0.2
0.1
80
70
60
50
40
30
20
10
2
1
0
0
0
3
2
1
0
~ ~
0
0
Dropout Voltage
Ripple Rejection
Load Transient Response
I
(V
OUT
V
IN
T
T
=I
RIPPLE
J
J
-V
=150° C
FULL LOAD
=25° C
OUTPUT CURRENT (A)
100
OUT
1
FREQUENCY (Hz)
) V
3V
C
C
IN
OUT
C
DROPOUT
P-P
ADJ
= 1 F
TIME ( s)
= 10 F TANTALUM
= 0
1k
50
2
V
V
PRELOAD = 100mA
V
(V
OUT
IN
RIPPLE
= 13V
IN
= 10V
-V
10k
3
OUT
0.5V
)
3V
P-P
100k
100
~ ~
4
-0.05
-0.10
-0.15
-0.20
0.10
0.05
100
-20
-40
-60
90
80
70
60
50
40
30
20
10
60
40
20
14
13
12
0
0
0
-50 -25
OUTPUT CURRENT (0 TO I
~ ~
0
0
Ripple Rejection vs. Current
Line Transient Response
Load Regulation
I = 3A
f
V
R
RIPPLE
=20kHz
0.2
C
TEMPERATURE (° C)
ADJ
0
= 0
0.5V
25 50 75 100 125 150
0.4
TIME ( s)
P-P
V
I
C
C
IN
OUT
IN
OUT
= 0.2A
100
= 1 F TANTALUM
f
V
= 10V
= 10 F TANTALUM
R
RIPPLE
= 120Hz
0.6
3V
P-P
FULL LOAD
0.8
200
1.0
)
~ ~
-1.0
-2.0
2.0
1.0
*AS LIMITED BY MAXIMUM JUNCTION TEMPERATURE
50
40
30
20
10
0
6
5
4
3
2
1
0
0
-50 -25
50 60 70 80 90 100 110
0
INPUT/OUTPUT DIFFERENTIAL (V)
Temperature Stability
Short-Circuit Current
Maximum Power Dissipation*
CASE TEMPERATURE (° C)
2
TEMPERATURE (° C)
0
4
25 50 75 100 125 150
6
AMS1085
8
120 130 140 150
10
12
14