MIC2937A Micrel Semiconductor, MIC2937A Datasheet - Page 6

• Manufacturer Part Number: MIC2937A
• Description: 750mA Low-Dropout Voltage Regulator
• Manufacturer: Micrel Semiconductor

MIC2937A/29371/29372
Typical Characteristics
October 1999
0.25
0.20
0.15
0.10
0.05
0.00
3.40
3.38
3.36
3.34
3.32
3.30
3.28
3.26
3.24
3.22
3.20
500
400
300
200
100
0.1
30
10
0
1
-60 -30
-60 -30
0
1
Fixed 3.3V Output Voltage
OUTPUT CURRENT (mA)
OUTPUT CURRENT (mA)
vs. Output Current
vs. Output Current
TEMPERATURE ( C)
TEMPERATURE ( C)
Dropout Voltage
200
vs. Temperature
vs. Temperature
Ground Current
Ground Current
0
0
10
I
LOAD
30 60 90 120 150
30 60 90 120 150
400
= 5mA
100
600
1000
800
700
600
500
400
300
200
100
200
150
100
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
50
0
0
-60 -30
-60 -30
-60 -30
0
Short Circuit and Maximum
Current vs. Temperature
1
V
vs. Supply Voltage
SUPPLY VOLTAGE (V)
OUT
TEMPERATURE ( C)
TEMPERATURE ( C)
TEMPERATURE ( C)
Dropout Voltage
vs. Temperature
vs. Temperature
Ground Current
Ground Current
2
FIXED 5V VERSION
I
LOAD
I
0
0
0
LOAD
= V
I
3
23
LOAD
NOMINAL
30 60 90 120 150
30 60 90 120 150
30 60 90 120 150
V
= 5mA
VERSION
FIXED 5V
= 100mA
OUT
4
= 750mA
= 0V
5
– 0.5V
6
7
8
-100
500
400
300
200
100
30
25
20
15
10
30
25
20
15
10
6
5
4
3
2
1
0
5
0
5
0
0
-60 -30
-30 -20
0
0
R
LOAD
1
vs. Supply Voltage
I
INPUT VOLTAGE (V)
LOAD
INPUT VOLTAGE (V)
2
TEMPERATURE ( C)
INPUT VOLTAGE (V)
vs. Input Voltage
vs. Temperature
Ground Current
Ground Current
Ground Current
Characteristics
MIC2937A/29371/29372
= 100
0
-10
2
= 5mA
Dropout
FIXED 5V
I
4
30 60 90 120 150
LOAD
I
I
LOAD
LOAD
3
0
= 750mA
= 750mA
6
= 750mA
10
4
8
20
5
10
30
6
Micrel