MB3813A Datasheet, PDF (19/22 Pages) Fujitsu Component Limited. – Lithium Ion Battery Charger DC/DC Converter IC (High Precision with Constant-current Function)

MB3813A/MB3833A/MB3843
(Continued)
15
VBATT (V)
10
5
0
CS (V)
4
2
0
CTL (V) 5
0
Soft start operation waveforms
<MB3813A>
5V
5V
Tek
VCC = Vin = 16 V
CTL = 5 V
CT = 330 pF
RT = 15 kΩ
Vin2 = 2.5 V
RL = 20 Ω
CS = 0.1 µF
2V
100 ms
0
15
VBATT (V)
10
5
0
CS (V)
4
2
0
CTL (V) 5
0
200
5V
400
600
<MB3833A>
5V
800
1000 t (ms)
VCC = Vin = 16 V
CTL = 5 V
CT = 330 pF
Tek
RT = 15 kΩ
Vin2 = 2.5 V
RL = 20 Ω
CS = 0.1 µF
2V
100 ms
0
15
VBATT (V)
10
5
0
CS (V)
4
2
0
CTL (V) 5
0
200
5V
2V
400
600
<MB3843>
5V
800
1000 t (ms)
VCC = Vin = 16 V
CTL = 5 V
CT = 330 pF
Tek
RT = 15 kΩ
Vin2 = 2.5 V
RL = 20 Ω
CS = 0.1 µF
100 ms
0
200
400
600
800
1000 t (ms)
19