Micrel, Inc.
MIC2940A/2941A
Typical Characteristics
500
DROPOUT VOLTAGE (mV)
400
300
200
100
0
0.00
Dropout Voltage
vs. Output Current
DROPOUT VOLTAGE (mV)
1000
800
600
400
200
Dropout Voltage
vs. Temperature
OUTPUT VOLTAGE (V)
6
5
4
3
2
1
0
0
Dropout
Characteristics
I
LOAD
= 5mA
I
LOAD
= 1.25A
I
LOAD
= 1.25A
0.25 0.50 0.75 1.00
OUTPUT CURRENT (A)
1.25
0
-60 -30 0 30 60 90 120 150
TEMPERATURE (°C)
1
2
3
4
5
INPUT VOLTAGE (V)
6
40
GROUND CURRENT (mA)
10
Ground Current
vs. Output Current
GROUND CURRENT (µA)
400
Ground Current
vs. Supply Voltage
GROUND CURRENT (mA)
50
40
30
20
10
0
Ground Current
vs. Supply Voltage
300
200
1
100
FIXED 5V
I
LOAD
= 5mA
0
1
2 3 4 5 6 7
SUPPLY VOLTAGE (V)
8
FIXED 3.3V DEVICE
I
LOAD
= 1.25A
0
2
4
6
8
INPUT VOLTAGE (V)
10
0.1
11
0
100
1000
10000
10A
OUTPUT CURRENT (mA)
0
0.40
GROUND CURRENT (mA)
Ground Current
vs. Temperature
GROUND CURRENT (mA)
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
Ground Current
vs. Temperature
GROUND CURRENT (mA)
50
40
30
20
10
Ground Current
vs. Temperature
I
LOAD
= 1.25A
0.30
0.20
I
LOAD
= 100mA
0.10
I
LOAD
= 5mA
I
LOAD
= 100mA
0
-60 -30 0 30 60 90 120 150
TEMPERATURE (°C)
0.00
-60 -30 0 30 60 90 120 150
TEMPERATURE (°C)
0.0
-60 -30 0 30 60 90 120 150
TEMPERATURE (°C)
3.40
OUTPUT VOLTAGE (V)
3.38
3.36
Fixed 3.3V Output Voltage
vs. Temperature
2.0
1.8
1.6
CURRENT (A)
1.4
1.2
1.0
0.8
0.6
0.4
0.2
Short Circuit and Maximum
Current vs. Temperature
GROUND CURRENT (µA)
1000
800
600
400
200
0
-200
-30
Ground Current
vs. Input Voltage
R
LOAD
= 100
V
OUT
= V
NOMINAL
– 0.5V
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)
V
OUT
= 0V
FIXED 3.3V
VERSION
3 SAMPLES
0.0
-60 -30 0 30 60 90 120 150
TEMPERATURE (°C)
-20 -10
0
10 20
INPUT VOLTAGE (V)
30
July 2007
5
M9999-071307
MICREL [ MICREL SEMICONDUCTOR ]
