MIC2937A/29371/29372
Micrel, Inc.
Typical Characteristics
Dropout Voltage
vs. Output Current
DROPOUT VOLTAGE (mV)
500
DROPOUT VOLTAGE (mV)
400
300
200
100
0
0
700
600
500
400
300
200
100
Dropout Voltage
vs. Temperature
OUTPUT VOLTAGE (V)
6
5
4
3
2
1
0
0
Dropout
Characteristics
I
LOAD
= 5mA
I
LOAD
= 750mA
I
LOAD
= 750mA
200
400
600
800
OUTPUT CURRENT (mA)
0
-60 -30 0 30 60 90 120 150
TEMPERATURE °C)
(
1
2
3
4
5
INPUT VOLTAGE (V)
6
30
GROUND CURRENT (mA)
10
Ground Current
vs. Output Current
GROUND CURRENT (µA)
200
150
100
50
0
Ground Current
vs. Supply Voltage
GROUND CURRENT (mA)
30
25
20
15
10
5
0
0
Ground Current
vs. Supply Voltage
1
FIXED 5V VERSION
I
LOAD
= 5mA
FIXED 5V
I
LOAD
= 750mA
2
4
6
8
INPUT VOLTAGE (V)
10
0.1
1
10
100
1000
OUTPUT CURRENT (mA)
0
1
2 3 4 5 6 7
SUPPLY VOLTAGE (V)
8
0.25
GROUND CURRENT (mA)
0.20
0.15
0.10
0.05
Ground Current
vs. Temperature
GROUND CURRENT (mA)
I
LOAD
= 5mA
0.00
-60 -30 0 30 60 90 120 150
TEMPERATURE °C)
(
2.0
1.8
1.6
1.4
I
LOAD
= 100mA
1.2
1.0
0.8
0.6
0.4
0.2
0.0
-60 -30 0 30 60 90 120 150
TEMPERATURE °C)
(
Ground Current
vs. Temperature
30
GROUND CURRENT (mA)
25
20
15
10
5
Ground Current
vs. Temperature
I
LOAD
= 750mA
0
-60 -30 0 30 60 90 120 150
TEMPERATURE °C)
(
3.40
3.38
3.36
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)
(
Fixed 3.3V Output Voltage
vs. Temperature
1.4
1.2
CURRENT (A)
1.0
0.8
0.6
0.4
0.2
Short Circuit and Maximum
Current vs. Temperature
GROUND CURRENT (µA)
V
OUT
= V
NOMINAL
– 0.5V
500
400
300
200
100
0
Ground Current
vs. Input Voltage
R
LOAD
= 100Ω
OUTPUT VOLTAGE (V)
V
OUT
= 0V
FIXED 5V
VERSION
0.0
-60 -30 0 30 60 90 120 150
TEMPERATURE °C)
(
-100
-30 -20 -10 0
10 20
INPUT VOLTAGE (V)
30
MIC2937A/29371/29372
6
May 2006
MICREL [ MICREL SEMICONDUCTOR ]
