MB3875_03 Datasheet, PDF (23/26 Pages) Fujitsu Component Limited. – DC/DC Converter IC for Charging

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Soft-start operating waveforms
Vin = 19 V
Load: BATT = 50 Ω
− INE1 = 0 V
BATT (V)
CTL (V) ²⁰
20 10
15 0
10
5
0
10 V
5V
20 ms
0 40 80 120 160 200
t (ms)
MB3875/3877
DC/DC converter switching waveforms
Vin = 19 V
FOSC = 287.4 kHz
Load: BATT = 2 A
5V
1 µs
OUT (V)
20
15
10
5
0
−5
0
2
4
6
8 10
t (µs)
23