AMS2954 Просмотр технического описания (PDF) - Advanced Monolithic Systems Inc
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AMS2954 Datasheet PDF : 15 Pages
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TYPICAL PERFORMANCE CHARACTERISTICS (Continued)
Load Transient Response
250
200
150
100
50
0
-50
-100
~~
250
mA
10µ0A
CL= 1 µF
VOUT = 5V
01
23
4
5
TIME (ms)
Load Transient Response
80
60
40
20
0
-20
-40
-60
~~
250
mA
10µ0A
CL= 10 µF
VOUT = 5V
0 4 8 12 16 20
TIME (ms)
AMS2954
AMS2954 Enable Transient
7
6
CL= 1 µF
5
4
IL= 10 mA
3
VIN = 8V
2
CL= 10 µF
VOUT = 5V
1
0
2 ~~
0
-2
-100 0 100 200 300 400 500 600 700
TIME (µs)
Output Impedance
10
5
IO= 100 µA
2
1
IO= 1 mA
0.5
IO= 250mA
0.2
0.1
0.05
VOUT = 5V
CL= 1 µF
0.02
0.01
10
100 1K 10K 100K 1M
FREQUENCY (Hz)
Ripple Rejection
90
80
70
60
IL= 0
50
40
CL= 1 µF
VIN= 6V
30
VOUT = 5V
IL= 100µA
20
101 102 103 104 105
106
FREQUENCY (Hz)
Ripple Rejection
90
80
70
IL= 1mA
60
CL= 1 µF
VIN= 6V
VOUT = 5V
50
40
30
IL= 10mA
20
101 102 103 104 105
106
FREQUENCY (Hz)
Ripple Rejection
80
IL= 50mA
70
60 IL= 250mA
50
40
CL= 1µF
VIN= 6V
30
VOUT= 5V
20
10
101 102 103 104 105
106
FREQUENCY (Hz)
AMS2954 Output Noise
3.5
5V
OUTPUT
3.0
IL= 250mA
2.5
CL= 1 µF
2.0
1.5
CL= 220 µF
CL= 3.3 µF
1.0
0.01 µF
0.5 BYPASS
PIN 1 TO
0.0 PIN 7
102
103
104
105
FREQUENCY (Hz)
AMS2954 Divider Resistance
400
300
200
100
0
-75 -50 -25 0 25 50 75 100 125 150
TEMPERATURE (° C)
Advanced Monolithic Systems, Inc. 6680B Sierra Lane, Dublin, CA 94568 Phone (925) 556-9090 Fax (925) 556-9140
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