MIC3775 Micrel Semiconductor, MIC3775 Datasheet - Page 5

• Manufacturer Part Number: MIC3775
• Description: 750mA UCap Low-Voltage Low-Dropout Regulator
• Manufacturer: Micrel Semiconductor

Typical Characteristics
March 2003
MIC3775
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
80
70
60
50
40
30
20
10
80
70
60
50
40
30
20
10
0
0.01
0
0.01
0
0
1.5
1.5
I OUT =750mA
C OUT =10 F
C IN =0
I OUT =750mA
C OUT =47 F
C IN =0
Dropout Characteristics
Dropout Characteristics
2
0.1
0.1
1.7
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
FREQUENCY (KHz)
FREQUENCY (KHz)
Rejection Ratio
Rejection Ratio
Power Supply
Power Supply
10mA Load
750mA Load
2.5
10mA Load
1.9
1
1
(3.3V)
(1.5V)
750mA Load
3
V IN =3.3V
V OUT =2.5V
V IN = 5V
V OUT = 3.3V
2.1
10
10
3.5
100
100
2.3
4
1000
1000
2.5
4.5
300
250
200
150
100
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
80
70
60
50
40
30
20
10
50
0
0.01
0
0
1.5
7
6
5
4
3
2
1
0
0
0
I OUT =750mA
C OUT =47 F
C IN =0
Dropout Characteristics
1.8V
2.5V
0.1
vs. Output Current
OUTPUT CURRENT (A)
INPUT VOLTAGE (V)
vs. Output Current
OUTPUT CURRENT (A)
FREQUENCY (KHz)
Rejection Ratio
Ground Current
Power Supply
OUT
OUT
0.25
0.25
10mA Load
2
Dropout
3.3V
1
(1.8V)
750mA Load
2.5V
3.3V
V IN =5V
V OUT =3.3V
5
OUT
10
OUT
OUT
2.5
0.5
0.5
100
1000
0.75
0.75
3
400
350
300
250
200
150
100
3.0
2.5
2.0
1.5
1.0
0.5
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
80
70
60
50
40
30
20
10
50
0
0.01
0
0
0
1.5
-40 -20 0
0
vs. Supply Voltage (1.5V)
I OUT =750mA
C OUT =10 F
C IN =0
Dropout Characteristics
1
10mA Load
0.1
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
TEMPERATURE ( C)
Ground Current
FREQUENCY (KHz)
vs. Temperature
Rejection Ratio
2
Power Supply
2
Dropout
20 40 60 80 100 120
(2.5V)
1
750mA Load
100mA
10mA
2.5
3
V IN =3.3V
V OUT =2.5V
10
2.5V OUT
4
3
100
5
1000
3.5
6
MIC3775
Micrel