AMS2931
TYPICAL PERFORMANCE CHARACTERISTICS (Continued)
Quiescent Current
Ripple Rejection
Ripple Rejection
35
30
85
80
85
80
C2 = 100mF
TANTALUM
5V OUTPUT
5V OUTPUT
25
20
15
10
5
75
70
65
60
55
50
45
75
70
65
60
55
50
45
C2 = 100mF
ALUM
IO= 100mA
IO= 50mA
IO= 10mA
AMS2931-5.0
IO= 10mA
FQ= 120Hz
0
-5
-20 -10
0
10 20 30 40 50 60
INPUT VOLTAGE (V)
1
10 100 1k 10k 100k 1M
FREQUENCY (Hz)
0
25
50
75
100
OUTPUT CURRENT (mA)
Output Impedance
Operation During Load Dump
Reference Voltage
1.30
1.28
1.26
1.24
1.22
10
1
70
60
AMS2931C ADJUSTABLE
AMS2931-5.0
IO = 10mA
50
40
30
20
t =150ms
10
0
1.20
1.18
~
~
~
~
CO= 100mF
RL= 500W
0.1
1.16
1.14
6
4
2
0
-2
1.12
1.10
0.01
1M
1
10 100
1k 10k 100k
-100
0
100 200 300 400 500
TIME (ms)
0
3
6
9
12 15 18 21 24
FREQUENCY (Hz)
OUTPUT VOLTAGE (V)
Maximum Power Dissipation (SO-8)
Maximum Power Dissipation (TO-220)
Maximum Power Dissipation (TO-92)
22
20
18
16
14
12
10
8
1.0
0.9
1.0
0.9
INFINITE HEAT SINK
0.8
0.7
0.6
0.8
0.7
0.6
0.125" Lead Lenght
from PC Board
0.5
0.4
0.5
0.4
0.4" Lead
Lenght from
PC Board
10° C/W HEAT SINK
0.3
0.2
0.3
0.2
6
NO HEAT SINK
4
2
0.1
0
0.1
0
0
0
10 20 30 40 50 60 70 80 90
AMBIENT TEMPERATURE (° C)
0
10 20 30 40 50 60 70 80 90 100
AMBIENT TEMPERATURE (° C)
0
10 20 30 40 50 60 70 80
AMBIENT TEMPERATURE (° C)
Advanced Monolithic Systems, Inc. 6680B Sierra Lane, Dublin, CA 94568 Phone (925) 556-9090 Fax (925) 556-9140
ADMOS [ ADVANCED MONOLITHIC SYSTEMS ]
