Fujitsu ASSP Product
8/14
Power Management
MB39C026 Evaluation Board
9. Reference Data
9. Reference Data
(1) Efficiency
CH1 Test Condition:
EN1=VIN; EN2=0V
VO1=1.2V; C1=C2=4.7uF
(2) DC/DC Load Regulation
CH1 Test Condition:
EN1=VIN; EN2=0V
VO1=1.2V; C1=C2=4.7uF
CH1 Load Regulation
1.1
1.12
1.14
1.16
1.18
1.2
1.22
1.24
1.26
1.28
1.3
0
0.1
0.2
0.3
0.4
0.5
0.6
IO1 Load Current (A)
V
O
1
O
ut
pu
t V
ol
ta
ge
(
V
)
VIN=3.7V
VIN=4.3V
VIN=5.5V
CH1 Efficiency
0
10
20
30
40
50
60
70
80
90
0.001
0.01
0.1
1
IO1 Load Current (A)
E
ffi
ci
en
cy
(%
)
VIN=3.7V
VIN=4.3V
VIN=5.5V
CH1 Test Condition:
EN1=VIN; EN2=0V
VO1=1.8V; C1=C2=4.7uF
CH1 Test Condition:
EN1=VIN; EN2=0V
VO1=1.8V; C1=C2=4.7uF
CH1 Efficiency
0
10
20
30
40
50
60
70
80
90
100
0.001
0.01
0.1
1
IO1 Load Current (A)
E
ff
ic
ie
nc
y
(%
)
VIN=3.7V
VIN=4.3V
VIN=5.5V
CH1 Load Regulation
1.7
1.72
1.74
1.76
1.78
1.8
1.82
1.84
1.86
1.88
1.9
0
0.1
0.2
0.3
0.4
0.5
0.6
IO1 Load Current (A)
V
O
1
O
ut
pu
t
V
ol
ta
ge
(V
)
VIN=3.7V
VIN=4.3V
VIN=5.5V
