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部品番号
コンポーネント説明
MIC38300(2007) データシートの表示(PDF) - Micrel
部品番号
コンポーネント説明
メーカー
MIC38300
(Rev.:2007)
3A SuperLNR™ Low Noise High Efficiency Regulator
Micrel
MIC38300 Datasheet PDF : 10 Pages
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Micrel, Inc.
Typical Characteristics
MIC38300 PSRR
90
80
70
60
50
40
30
20
10
010
100
1k
10k 100k
FREQUENCY (Hz)
Output Voltage
vs. Temperature
1.88
1.86
1.84
1.82
1.80
1.78
1.76
1.74
1.72
V
IN
= 3.3V
C
OUT
= 10µF
I
OUT
= 10mA
20 40 60 80
TEMPERATURE (°C)
Enable Threshold
1.20
1.15
1.10
1.05
1.00
0.95
0.90
0.85
0.803.0
V
OUT
= 1.8V
C
OUT
= 10µF
3.5 4.0 4.5 5.0 5.5
INPUT VOLTAGE (V)
Load Regulation
1.820
1.815
1.810
1.805
1.800
1.795
1.790
1.785
1.7800
V
IN
= 3.3V
V
OUT
= 1.8V
C
OUT
= 10µF
0.5 1.0 1.5 2.0 2.5 3.0
LOAD CURRENT (A)
Thermal Shutdown
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
V
IN
= 3.3V
V
OUT
= 1.8V
0.2
C
OUT
= 10µF
-040 10 60 110 160 210
TEMPERATURE (°C)
6.0
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.30.0
Current Limit
vs. Input Voltage
V
OUT
= 1.8V
C
OUT
= 10µF
3.5 4.0 4.5 5.0 5.5
INPUT VOLTAGE (V)
MIC38300
Output Voltage
vs. Input Voltage
2.0
1.8
1.6
1.4
10mA
1.2
1.0
2A
0.8
0.6
0.4
V
OUT
= 1.8V
0.2 C
OUT
= 10µF
00
1
2
3
4
5
INPUT VOLTAGE (V)
MIC38300 Efficiency
90
80
70
60
50
40
30
20
V
IN
= 5V
10
V
OUT
= 3.3V
C
OUT
= 10µF
00
0.5 1.0 1.5 2.0 2.5 3.0
LOAD CURRENT (A)
July 2007
5
M9999-070607
(408) 944-0800
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