MB3874 Datasheet, PDF (25/28 Pages) Fujitsu Component Limited. – DC/DC Converter IC for Parallel Charging

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Soft start operating waveforms
Vin = 19 V
Load : BATT1 = 50 Ω
− INE1 = 0 V
BATT2 = OPEN
BATT1 (V)
CTL (V) ²⁰
20 10
15 0
10
5
0
10 V
5V
20 ms
0 40 80 120 160 200
t (ms)
MB3874/MB3876
DC/DC converter switching waveforms
Vin = 19 V
FOSC = 282.6 kHz
Load : BATT1 = 1 A
BATT2 = OPEN
5V
1 µs
OUT (V)
20
15
10
5
0
−5
0
2
4
6
8 10
t (µs)
25