MIC3975
Micrel
Ground Current
vs. Supply Voltage (3.3V)
30
GROUND CURRENT (mA)
GROUND CURRENT (mA)
1.0
ILOAD =750mA
Ground Current
vs. Temperature
GROUND CURRENT (mA)
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
Ground Current
vs. Temperature
2.5V
3.3V
25
20
15
10
5
0
0
1
2
3
4
5
SUPPLY VOLTAGE (V)
6
0.8
0.6
3.3V
0.4
0.2
ILOAD
=
10mA
1.8V
2.5V
1.8V
I
LOAD
= 500mA
0
-40 -20 0 20 40 60 80 100 120
TEMPERATURE (°C)
0
-40 -20 0 20 40 60 80 100 120
TEMPERATURE (°C)
OUTPUT VOLTAGE (V)
8
8
7
7
6
6
2.5V
SHORT CIRCUIT CURRENT (A)
9
GROUND CURRENT (mA)
Ground Current
vs. Temperature
3.40
Output Voltage
vs. Temperature
2.5
2.0
1.5
Short Circuit
vs. Temperature
3.3V
3.35
Typical 3.3V
Device
1.8V
3.3V
3.30
2.5V
1.0
0.5
1.8V
3.25
I
LOAD
= 750mA
5
-40 -20 0 20 40 60 80 100120140
TEMPERATURE (°C)
3.20
-40 -20 0 20 40 60 80 100 120
TEMPERATURE (°C)
0
-40 -20 0 20 40 60 80 100 120
TEMPERATURE (°C)
Error Flag
Pull-Up Resistor
6
ENABLE CURRENT
µA)
12
10
8
6
4
2
Enable Current
vs. Temperature
FLAG VOLTAGE (mV)
V
IN
= V
OUT
+ 1V
V
EN
= 2.4V
250
200
150
100
50
Flag-Low Voltage
vs. Temperature
FLAG-LOW
VOLTAGE
V
IN
= 5V
FLAG VOLTAGE (V)
5
4
3
2
1
FLAG LOW
(FAULT)
1
10 100 100010000
RESISTANCE (kΩ)
FLAG HIGH
(OK)
V
IN
= 2.25V
R
PULL-UP
= 22kΩ
0
0.01 0.1
0
-40 -20 0 20 40 60 80 100120140
TEMPERATURE (°C)
0
-40 -20 0 20 40 60 80 100120140
TEMPERATURE (°C)
MIC3975
6
February 2003
MICREL [ MICREL SEMICONDUCTOR ]
