MIC5252 Просмотр технического описания (PDF) - Micrel
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MIC5252 Datasheet PDF : 9 Pages
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MIC5252
Typical Characteristics
P S R R with B ypas s V ariation
90
(VIN = VOUT + 0.3V)
80
70
60 100nF 1µF
50
40 10nF
0nF
30
20
C OUT = 1µF C eramic
VIN = VOUT + 0.3V
10 V OUT = 2.8V
Load = 150mA
0
10 100 1k 10k 100k 1M
FREQUENCY (Hz)
PSRR
at 100Hz
90
80
100µA
70
60
50
150mA
40
30
20
C OUT = 1µF
C BYP = 10nF
10
VOUT 2.8V
0
VOLTAGE DROP (mV)
Ground Current
vs . Output C urrent
140
120
100
80
60
40
20
2.8V
OUT
00 20 40 60 80 100 120 140 160
OUTPUT CURRENT (mA)
Ground Current
vs . S upply V oltage
140
120
10mA Load
100
80
150mA Load
60
40
20
00 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
SUPPLY VOLTAGE (V)
M9999-020305
P S R R with B ypas s C ap
90 V ariation (V IN = V OUT + 1V )
10nF
80
1µF
70
60
50 100nF
0nF
40
30 C OUT = 1µF C eramic
20 V IN = V OUT + 1V
10
VOUT = 2.8V
Load = 150mA
0
10 100 1k 10k 100k 1M
FREQUENCY (Hz)
2.85
2.83
2.81
2.79
2.77
2.75
2.73
2.71
2.69
2.67
2.650
Output V oltage
vs . Load Current
2.8V OUT
20 40 60 80 100 120 140
OUTPUT CURRENT (mA)
Ground Current
vs . T emperature
160
140
150mA Load
120
100
80 0mA Load
60
40
20
-040 -20 0 20 40 60 80 100 120
TEMPERATURE (°C)
Dropout C harac teris tic s
3
2.5
100µA
150mA
2
1.5
1
0.5
00 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
SUPPLY VOLTAGE (V)
4
Micrel, Inc.
P S R R with L oad V ariation
90
80
100µA
70
60
50
150mA
40
30 C OUT = 1µF C eramic
C BY P = 10nF
20 V IN = V OUT + 1V
VOUT = 2.8V
10
10 100 1k
10k 100k 1M
FREQUENCY (Hz)
Output V oltage
vs . T emperature
2.84
2.82
2.8
2.78
2.76
2.74
2.72
100µA
2.7-40 -20 0 20 40 60 80 100 120
TEMPERATURE (°C)
Ground Current
vs . S upply V oltage
120
1µA Load
100 100µA Load
80
0µA Load
60
40
20
00 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
SUPPLY VOLTAGE (V)
Dropout
vs . T emperature
200
180
160
140
120
100
80
60
40
2.8V OUT
20
IL = 150mA
-040 -20 0 20 40 60 80 100 120
TEMPERATURE (°C)
February 2005
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