AMS2942AS Просмотр технического описания (PDF) - Advanced Monolithic Systems Inc
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AMS2942AS Datasheet PDF : 7 Pages
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TYPICAL PERFORMANCE CHARACTERISTICS (Continued)
Load Transient Response
250
200
150
100
50
0
-50
-100
~~
100
mA
10µ0A
CL= 1 µF
01 2 3 4 5
TIME (ms)
Load Transient Response
80
60
40
20
0
-20
-40
-60
~~
100
mA
10µ0A
CL= 10 µF
0 4 8 12 16 20
TIME (ms)
AMS2942
Enable Transient
7
6
CL= 1 µF
5
4
IL= 10 mA
3
VIN = 8V
2
CL= 10 µF
1
0
2 ~~
0
-2
-100 0 100 200 300 400 500 600 700
TIME (µs)
Output Impedance
10
5
IO= 100µA
2
1
IO= 1 mA
0.5
IO= 100mA
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= VOUT+1V
50
40
30
IL= 10mA
20
101 102 103 104 105
106
FREQUENCY (Hz)
Error Comparator Output
9
8
VOUT= 5V
7
50k RESISTOR TO
6
EXTERNAL 5V SUPPLY
5
4
HYSTERESIS
3
50k
2
RESISTOR
1
TO VOUT
0
0 123456 7 8
INPUT VOLTAGE (V)
Error Comparator Sink Current
2.5
TA = 125°C
2.0
1.5
TA = 25°C
1.0
TA = -55°C
0.5
0.0
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
OUTPUT LOW VOLTAGE (V)
Line Transient Response
100
mV
50
mV
0
-50
mV
~~
8V
CL= 1µF
IL= 1mA
VOUT= 5V
6V
4V
0
200 400 600 800
TIME (µs)
Advanced Monolithic Systems, Inc. 6680B Sierra Lane, Dublin, CA 94568 Phone (925) 556-9090 Fax (925) 556-9140
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