MB3878 Fujitsu Media Devices, MB3878 Datasheet - Page 9

• Manufacturer Part Number: MB3878
• Description: DC/DC Converter IC for Charging
• Manufacturer: Fujitsu Media Devices

TYPICAL CHARACTERISTICS
Power supply current vs. power supply voltage
10
12
10
10
Reference voltage vs. VREF load current
8
6
4
2
0
8
6
4
2
0
8
6
4
2
0
0
0
0
Reference voltage vs. CTL pin voltage
Power supply voltage V
VREF load current I
5
0.5
CTL pin voltage V
5
10
10
1
15
1.5
15
REF
CTL
20
Ta
VCC
VREF
CC
(mA)
(V)
Ta
VCC
CTL
Ta
CTL
(V)
20
2
25
25 C
19 V
25 C
5 V
25 C
19 V
0 mA
5 V
2.5
25
30
Reference voltage vs. power supply voltage
Reference voltage vs. ambient temperature
1.0
0.8
0.6
0.4
0.2
0.0
10
2.0
1.5
1.0
0.5
0.0
0.5
1.0
1.5
2.0
8
6
4
2
0
0
0
40
CTL pin current vs. CTL pin voltage
Power supply voltage V
Ambient temperature Ta ( C)
20
CTL pin voltage V
5
5
0
10
10
20
40
15
15
CTL
CC
(V)
Ta
CTL
VREF
60
VCC
CTL
VREF
(V)
Ta
VCC
MB3878
20
20
25 C
5 V
5 V
80
19 V
25 C
0 mA
0 mA
19 V
(Continued)
25
100
25
9