EUP8084
Typical Operating Characteristics-Step-Down Converter
Quiescent Current vs Input Voltage (No Load)
Quiescent Current vs Temperature (No Load)
44
40
36
32
28
24
20
16
12
8
44
42
40
38
36
34
32
30
28
26
24
22
20
18
16
14
12
10
L=2.2uH
C=10uF
L=2.2uH
C=10uF
4
0
2.5
3.0
3.5
4.0
4.5
5.0
-40
-20
0
20
40
60
80
100
INPUT VOLTAGE (V)
TEMPERATURE (oC)
Switching Frequency vs Input Voltage
Switching Frequency vs Temperature
1.8
1.7
1.6
1.5
1.4
1.3
1.2
1.70
1.68
1.66
1.64
1.62
1.60
1.58
1.56
1.54
1.52
1.50
1.48
1.46
1.44
1.42
1.40
L=2.2uH
C=10uF
L=2.2uH
C=10uF
-40
-20
0
20
40
60
80
100
2.5
3.0
3.5
4.0
4.5
5.0
5.5
INPUT VOLTAGE (V)
TEMPERATURE (oC)
Ron(PMOS) vs Input Voltage
Ron(PMOS) vs Temperature
0.30
0.25
0.20
0.15
0.10
0.05
0.32
0.30
0.28
0.26
0.24
0.22
0.20
0.18
0.16
0.14
0.12
0.10
0.08
0.06
0.04
L=2.2uH
C=10uF
L=2.2uH
C=10uF
-40
-20
0
20
40
60
80
100
2.5
3.0
3.5
4.0
4.5
5.0
5.5
TEMPERATURE (oC)
INPUT VOLTAGE (V)
DS8084 Ver1.0 Apr. 2008
12
EUTECH [ EUTECH MICROELECTRONICS INC ]
