MB3874 Datasheet, PDF (12/28 Pages) Fujitsu Component Limited. – DC/DC Converter IC for Parallel Charging

MB3874/MB3876
s TYPICAL CHARACTERISTICS
Power supply current vs. power supply voltage
10
Ta = +25 °C
CTL = 5 V
8
6
4
2
0
0
5
10
15
20
25
Power supply voltage VCC (V)
Reference voltage vs. VREF load current
10
Ta = +25 °C
VCC = 16 V (MB3874)
8
VCC = 19 V (MB3876)
CTL = 5 V
6
4
2
0
0
5
10
15
20
25
30
VREF load current IREF (mA)
Reference voltage vs. CTL pin voltage
10
Ta = +25 °C
VCC = 16 V (MB3874)
8
VCC = 19 V (MB3876)
VREF = 0 mA
6
4
2
0
0
5
10
15
20
25
CTL pin voltage VCTL(V)
12
Reference voltage vs. power supply voltage
10
Ta = +25 °C
CTL = 5 V
8
VREF = 0 mA
6
4
2
0
0
5
10
15
20
25
Power supply voltage VCC (V)
Reference voltage vs. ambient temperature
2.0
1.5
1.0
0.5
0.0
-0.5
-1.0
-1.5
-2.0
-40 -20 0
VCC = 16 V (MB3874)
VCC = 19 V (MB3876)
CTL = 5 V
VREF = 0 mA
20 40 60 80 100
Ambient temperature Ta (°C)
CTL pin current vs. CTL pin voltage
1.0
Ta = +25 °C
VCC = 16 V (MB3874)
0.8
VCC = 19 V (MB3876)
0.6
0.4
0.2
0.0
0
5
10
15
20
25
CTL pin voltage VCTL (V)
(Continued)