MIC37302 Micrel Semiconductor, MIC37302 Datasheet - Page 5

• Manufacturer Part Number: MIC37302
• Description: 3.0A/ LOW VOLTAGE UCAP LDO REGULATOR
• Manufacturer: Micrel Semiconductor

Typical Characteristics
November 2003
MIC37300/37301/37302
450
400
350
300
250
200
150
100
3.5
2.5
1.5
0.5
80
70
60
50
40
30
20
10
50
40
35
30
25
20
15
10
0.01
0
0
3
2
1
0
1.5
5
0
-40 -20 0 20 40 60 80 100 120
0
vs. Supply Voltage (1.5V)
I
C
C
10mA Load
Dropout Characteristics
OUT
OUT
IN
SUPPLY VOLTAGE (V)
= 0
2
INPUT VOLTAGE (V)
0.1
1
= 3A
TEMPERATURE ( C)
= 47 F
Ground Current
Rejection Ratio
FREQUENCY (kHz)
Power Supply
Temperature
Dropout vs.
2.5
3A Load
2
1
(3.3V)
3
2A
10
3
V
V
3A
1A
IN
OUT
3.5
= 2.5V
2.5V
= 1.5V
100
4
OUT
4
1000
5
50
45
40
35
30
25
20
15
10
1.4
1.2
0.8
0.6
0.4
0.2
80
70
60
50
40
30
20
10
1.6
1.4
1.2
0.8
0.6
0.4
0.2
5
0
0
0.01
1.5
1
0
1
0
0
0
10mA Load
vs. Supply Voltage (2.5V)
I
C
C
Dropout Characteristics
OUT
OUT
IN
0.5
OUTPUT CURRENT (A)
vs. Output Current
SUPPLY VOLTAGE (V)
0.1
1.7
= 0
1
= 3A
INPUT VOLTAGE (V)
Ground Current
= 100 F
FREQUENCY (kHz)
Ground Current
Rejection Ratio
Power Supply
1
1.9
2
1
(1.5V)
3A Load
1.5
5
2.1
10
V
V
3
IN
OUT
2
10mA
100mA
= 2.5V
= 1.5V
100
2.3
4
2.5
1000
2.5
3
5
0.0006
0.0005
0.0004
0.0003
0.0002
0.0001
500
450
400
350
300
250
200
150
100
50
2.5
1.5
0.5
70
60
50
40
30
20
10
0
0
0
3
2
1
0
1.5
0
0
0
vs. Supply Voltage (1.5V)
vs. Supply Voltage (2.5V)
10mA Load
Dropout Characteristics
2.5V
0.5
OUTPUT CURRENT (A)
SUPPLY VOLTAGE (V)
SUPPLY VOLTAGE (V)
1
INPUT VOLTAGE (V)
1
Output Current
Ground Current
Ground Current
2
OUT
Dropout vs.
1
3A Load
2
3.3V
2
1A
(2.5V)
100mA
1.5
2.5
OUT
3
10mA
3
2
2A
3
3A
M0307-112003
4
2.5
4
3.5
3
5
5
Micrel