MB3813A Datasheet, PDF (13/22 Pages) Fujitsu Component Limited. – Lithium Ion Battery Charger DC/DC Converter IC (High Precision with Constant-current Function)

MB3813A/MB3833A/MB3843
(Continued)
Triangular wave frequency vs. Power supply voltage
250
Data shown for
240
MB3843
230
Vin1 = 16 V
CTL = 16 V
220
RT = 15 kΩ, CT = 330 pF
210
200
190
180
170
160
150
4
6 8 10 12 14 16 18 20
Power supply voltage VCC (V)
Triangular wave maximum amplitude voltage
vs. Triangular wave frequency
2.5
VCC = Vin1 = 16 V
CTL = 5 V
2.0
1.5
1.0
0.5
1k
10 k
100 k
1M
Triangular wave frequency fOSC (HZ)
10 M
Triangular wave frequency vs. Temperature
250
VCC = Vin1 = 16 V
CTL = 5 V
225
RT = 15 kΩ, CT = 330 pF
200
175
150
–40 –20
0 20 40 60
Tenperature Ta (°C)
80 100
Power supply current vs. Power supply voltage
10
Vin1 = VCC
Ta = +25°C
8
6
CTL = 5 V
4
2
MB3843 MB3833A MB3813A
CTL = 0 V
0
0
5
10
15
20
Power supply voltage VCC (V)
13