EUP7981
Typical Operating Characteristics
OUTPUT VOLTAGE ACCURACY vs. LOAD CURRENT
OUTPUT VOLTAGE vs. INPUT VOLTAGE
3.0
0.4
2.5
0.2
0.0
IOUT=0mA
2.0
1.5
1.0
-0.2
-0.4
IOUT=120mA
0.5
0.0
0
20
40
60
80
100
120
0
1
2
3
4
5
6
LOAD CURRENT (mA)
INPUT VOLTAGE (V)
DROPOUT VOLTAGE vs. LOAD CURRENT
OUTPUT VOLTAGE ACCURACY vs. TEMPERATURE
120
80
40
0
0.8
Temp=85oC
Temp=25oC
IOUT=1mA
0.4
0.0
-0.4
-0.8
Temp=-40oC
0
20
40
60
80
100
120
-40
-15
10
35
60
85
Temperature (oC)
LOAD CURRENT (mA)
GROUND CURRENT vs. INPUT VOLTAGE
IOUT=120mA
GROUND CURRENT vs. LOAD CURRENT
200
200
160
120
80
160
120
80
Vin=5.5V
Vin=3.3V
IOUT=0mA
40
40
0
0
0
1
2
3
4
5
6
0
20
40
60
80
100
120
INPUT VOLTAGE (V)
LOAD CURRENT (mA)
DS7981 Ver1.0 Jan. 2008
5
EUTECH [ EUTECH MICROELECTRONICS INC ]
