MIC3975(2003) 데이터 시트보기 (PDF) - Micrel
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MIC3975 Datasheet PDF : 12 Pages
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MIC3975
Typical Characteristics
Power Supply
Rejection Ratio
80
VIN = 5V
VOUT = 3.3V
60
40
20 IOUT = 750mA
COUT = 10µF
CIN = 0
10E1+01 11E0+02 1E1+k3 11E0+k4 11E00+k5 11EM+6
FREQUENCY (Hz)
Power Supply
Rejection Ratio
80
VIN = 3.3V
VOUT = 2.5V
60
40
20 IOUT = 750mA
COUT = 47µF
CIN = 0
10E10+1 11E0+02 1E1+k3 11E0+k4 11E00+k5 11EM+6
FREQUENCY (Hz)
Dropout Characteristics
(2.5V)
2.8
2.6 ILOAD =100mA
2.4
2.2
2.0
ILOAD =750mA
1.8
1.6
1.4
2
2.3 2.6 2.9 3.2 3.5
SUPPLY VOLTAGE (V)
Ground Current
vs. Supply Voltage (2.5V)
2.0
1.8
1.6
ILOAD =100mA
1.4
1.2
1.0
0.8
0.6
ILOAD =10mA
0.4
0.2
0
0
2
4
6
8
SUPPLY VOLTAGE (V)
February 2003
Power Supply
Rejection Ratio
80
VIN = 5V
VOUT = 3.3V
60
40
20 IOUT = 750mA
COUT = 47µF
CIN = 0
0
1E1+01 11E0+02 1E1+k3 11E0+k4 11E00+k5 11EM+6
FREQUENCY (Hz)
Dropout Voltage
vs. Output Current
350
300
250
1.8V
200
150
2.5V
3.3V
100
50
T
A
=
25°C
00
250
500
750
OUTPUT CURRENT (mA)
Dropout Characteristics
(3.3V)
3.6
3.4 ILOAD =100mA
3.2
3.0
ILOAD =750mA
2.8
2.6
2.4
2.8 3.2 3.6 4.0 4.4
SUPPLY VOLTAGE (V)
Ground Current
vs. Supply Voltage (2.5V)
30
25
20
15
10
5
ILOAD = 750mA
0
0
2
4
6
SUPPLY VOLTAGE (V)
5
Micrel
Power Supply
Rejection Ratio
80
VIN = 3.3V
VOUT = 2.5V
60
40
20 IOUT = 750mA
COUT = 10µF
CIN = 0
10E1+01 11E0+02 1E1+k3 11E0+k4 11E00+k5 11EM+6
FREQUENCY (Hz)
Dropout Voltage
vs. Temperature
400
2.5V
350
300 1.8V
250
3.3V
ILOAD = 750mA
20-040 -20 0 20 40 60 80 100120140
TEMPERATURE (°C)
Ground Current
vs. Output Current
10
9
8
7
1.8V
6
2.5V
5
3.3V
4
3
2
1
00
250
500
750
OUTPUT CURRENT (mA)
Ground Current
vs. Supply Voltage (3.3V)
1.4
1.2
1.0
ILOAD =100mA
0.8
0.6
ILOAD =10mA
0.4
0.2
0
0
2
4
6
8
SUPPLY VOLTAGE (V)
MIC3975
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