MVPG30x/MVPG31
Datasheet
5.7
Temperature Graphs
Figure 48: Supply Current vs. Temperature
Figure 49: UVLO vs. Temperature
Supply Current vs. Temperature
UVLO vs. Temperature
3.0
4.0
2.9
2.8
2.7
2.6
3.0
2.0
1.0
0.0
-40
-20
0
20
40
60
80
-40
-20
0
20
40
60
80
Temperature (°C)
Temperature (°C)
I
= No Load
I
= No Load
I
= 10 mA
OUT(BUCK)
OUT(LDO)
OUT(BUCK)
5.7.1
Step-Down Regulator
Figure 50: Output Voltage vs. Temperature
Figure 51: Efficiency vs. Temperature
Output Voltage vs. Temperature
Efficiency vs. Temperature
1.60
100%
95%
90%
85%
80%
1.55
1.50
1.45
1.40
-40
-20
0
20
40
60
80
-40
-20
0
20
40
60
80
Temperature (°C)
Temperature (°C)
V
= 5.0V
I
= 500 mA
V
V
= 5.0V
I = 1.0A
OUT(BUCK)
IN
OUT(BUCK)
IN
= 1.5V
OUT(BUCK)
Doc. No. MV-S102808-00 Rev. G
Page 46
Copyright © 2008 Marvell
April 14, 2008, 2.00
Document Classification: Proprietary