Micrel, Inc.
MIC37300/01/02/03
Typical Characteristics (continued)
Ground Current
vs. Supply Voltage (3.3V)
1.4
Ground Current
vs. Supply Voltage (3.3V)
70
GROUND CURRENT (mA)
60
50
40
30
20
10
0
0
1A
1
2
3
4
SUPPLY VOLTAGE (V)
5
2A
3A
GROUND CURRENT (mA)
0.4
0.35
0.3
0.25
0.2
0.15
0.1
0.05
Ground Current
vs. Temperature
2.5V
OUT
GROUND CURRENT (mA)
1.2
1
0.8
0.6
0.4
0.2
0
0
10mA
1
2
3
4
SUPPLY VOLTAGE (V)
5
100mA
I
OUT
=10mA
0
-40 -20 0 20 40 60 80 100 120
TEMPERATURE (°C)
14
GROUND CURRENT (mA)
12
10
8
6
4
2
Ground Current
vs. Temperature
GROUND CURRENT (mA)
45
40
35
30
25
20
15
10
5
Ground Current
vs. Temperature
2.5V
OUT
OUTPUT VOLTAGE (V)
2.6
Output Voltage
vs. Temperature
2.5V
OUT
2.55
2.5V
OUT
2.5
2.45
I
OUT
=1.5A
I
OUT
=3A
0
-40 -20 0 20 40 60 80 100 120
TEMPERATURE (°C)
0
-40 -20 0 20 40 60 80 100 120
TEMPERATURE (°C)
2.4
-40 -20 0 20 40 60 80 100 120
TEMPERATURE (°C)
6
5.5
5
4.5
4
3.5
3
2.5
2
1.5
1
0.5
0
2.25
Short-Circuit Current
vs. Supply Voltage
SHORT CIRCUIT CURRENT (A)
SHORT CIRCUIT CURRENT (A)
6
5
4
3
2
1
Short-Circuit Current
vs. Temperature
1.0
FLAG VOLTAGE (V)
0.8
0.6
0.4
Flag Voltage
vs. Flag Current
5V
IN
2.5V
IN
3.3V
IN
2.5V
IN
0.2
0
0 0.5 1 1.5 2 2.5 3 3.5 4
FLAG CURRENT (mA)
3
3.75 4.5 5.25
SUPPLY VOLTAGE (V)
6
0
-40 -20 0 20 40 60 80 100 120
TEMPERATURE (°C)
400
FLAG VOLTAGE (mV)
350
300
250
200
150
100
50
Flag Low Voltage
vs. Temperature
Error Flag Pull-Up Resistor
6
FLAG VOLTAGE (V)
5
4
3
2
Flag Low (FAULT)
1
0.01
16
ENABLE CURRENT (µA)
14
12
10
8
6
4
2
Enable Current
vs. Temperature
Flag High (OK)
2.5V
E N
Flag Current = 250µA
0
-40 -20 0 20 40 60 80 100 120
TEMPERATURE (°C)
0
V
IN
= 5V
0.1
1
10
100 1000 10000
0
-40 -20 0 20 40 60 80 100 120
TEMPERATURE (°C)
October 2009
7
M9999-102909
MICREL [ MICREL SEMICONDUCTOR ]
