EUP8086
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)
DS8086 Ver 1.0 Apr. 2008
11
EUTECH [ EUTECH MICROELECTRONICS INC ]
