MB3874 Fujitsu Media Devices, MB3874 Datasheet - Page 25

• Manufacturer Part Number: MB3874
• Description: DC/DC Converter IC for Parallel Charging
• Manufacturer: Fujitsu Media Devices

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