MB3800 Datasheet, PDF (8/18 Pages) Fujitsu Component Limited. – Switching Regulator Controller (Low Voltage)

MB3800
s TYPICAL CHARACTERISTICS
Supply voltage vs. Supply current
10
T a = +25°C
R B = 390 Ω
8
6
4
2
0
0
4
8
12
16
20
Supply voltage V CC (V)
Supply voltage vs. Input threshold voltage
1.0
T a = +25°C
0.8
0.6
0.4
0.2
0
0
1.0
2.0
3.0
4.0
5.0
Supply voltage V CC (V)
2.0
1.6
1.2
0.8
0.4
0
0
High level output
V CC = 2 V
R B = 390 Ω
T a = +25°C
–10
–20
–30
–40
–50
High level output current I OUT (mA)
8
Supply voltage vs. Input threshold voltage
1.0
T a = +25°C
0.8
0.6
0.4
0.2
0
0
4
8
12
16
20
Supply voltage V CC (V)
Ambient temperature vs. Input threshold
voltage variation ratio
10
V CC = 2 V
5
0
–5
–10
–15
–40 –20 0
20 40 60 80 100
Ambient temperature T a (°C)
500
400
300
200
100
0
0
Low level output
V CC = 2 V
R B = 390 Ω
T a = +25°C
20
40
60
80
100
High level output current I OUT (mA)
(Continued)