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