MIC39150 MICREL [Micrel Semiconductor], MIC39150 Datasheet - Page 5

• Manufacturer Part Number: MIC39150
• Description: 1.5A Low-Voltage Low-Dropout Regulator
• Manufacturer: MICREL [Micrel Semiconductor]

Typical Characteristics
May 2000
MIC39150/39151
600
500
400
300
200
100
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
60
50
40
30
20
10
1E+1 1E+2 1E+3 1E+4 1E+5 1E+6
0
0
8
7
6
5
4
3
2
1
0
-40 -20 0 20 40 60 80 100 120
-40 -20 0 20 40 60 80 100 120
10
0
I
C
C
LOAD
V
V
OUT
IN
OUT
OUT
100
= 0
vs. Supply Voltage
2
SUPPLY VOLTAGE (V)
TEMPERATURE ( C)
TEMPERATURE ( C)
Dropout Voltage
vs. Temperature
vs. Temperature
Ground Current
= 1.5A
= 10 F
Ground Current
Rejection Ratio
FREQUENCY (Hz)
= 1.8V
= 1.8V
Power Supply
V
4
OUT
I
1k
LOAD
I
LOAD
I
= 2.5V
LOAD
6
= 100mA
10k
I
= 10mA
V
V
LOAD
V
IN
OUT
OUT
= 750mA
8
= 3.3V
100k
= 1.5A
= 2.5V
= 2.5V
10
1M
12
2.8
2.6
2.4
2.2
2.0
1.8
1.6
1.4
1.2
50
40
30
20
10
65
60
55
50
45
40
35
30
25
20
15
10
25
20
15
10
1E+1 1E+2 1E+3 1E+4 1E+5 1E+6
0
5
0
5
0
-40 -20 0 20 40 60 80 100 120
10
0
I
V
V
Dropout Characteristics
LOAD
V
IN
OUT
OUT
100
vs. Supply Voltage
2
= 3.3V
SUPPLY VOLTAGE (V)
TEMPERATURE ( C)
INPUT VOLTAGE (V)
vs. Temperature
Ground Current
Ground Current
Rejection Ratio
= 2.5V
= 100mA
FREQUENCY (Hz)
= 1.8V
Power Supply
I
I
LOAD
LOAD
4
I
1k
LOAD
5
I
= 1000mA
LOAD
= 1500mA
I
6
LOAD
= 750mA
10k
V
I
I
C
C
LOAD
LOAD
OUT
OUT
IN
= 1.5A
8
= 750mA
= 0
100k
= 2.5V
= 1.5A
= 47 F
= 1.5A
10
1M
12
0.36
0.35
0.34
0.33
0.32
0.31
0.30
500
400
300
200
100
3.5
3.0
2.5
2.0
1.5
1.0
0.5
25
20
15
10
0
5
0
0
-40 -20 0 20 40 60 80 100 120
-40 -20 0 20 40 60 80 100 120
0
0
V
typical 2.5V device
OUT
250 500 750 1000 1250 1500
OUTPUT CURRENT (mA)
V
V
OUTPUT CURRENT (mA)
vs. Output Current
OUT
vs. Output Current
OUT
TEMPERATURE ( C)
TEMPERATURE ( C)
Dropout Voltage
vs. Temperature
Short Circuit vs.
Ground Current
Ground Current
= 2.5V
Temperature
typical 1.8V device
= 1.8V
500
= 1.8V
V
OUT
I
LOAD
V
V
MIC39150/39151
OUT
= 2.5V
OUT
1000
= 10mA
= 1.8V
= 2.5V
1500
Micrel