MB3874 Fujitsu Media Devices, MB3874 Datasheet - Page 14

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

14
MB3874/MB3876
(Continued)
800
740
700
600
500
400
300
200
100
Current detection amplifier gain and phase vs. frequency
Error amplifier gain and phase vs. frequency
0
40
20
20
40
40
40
20
20
40
Power dissipation vs. ambient temperature
0
100
0
100
20
Ambient temperature Ta ( C)
1 k
Frequency f (Hz)
Frequency f (Hz)
1 k
0
10 k
20
A
10 k
V
100 k
A
V
40
100 k
Ta
Ta
1 M
60
25 C
25 C
10 M
80
1 M
180
90
0
90
180
180
90
0
90
180
100
IN 1 F
0.1 V
IN
4.2 V
2.4 k
10 k
10 k
MB3874 12.6 V
MB3876 16.8 V
(13)
(12)
24
1
(10)
2.088 V
(9)
3
4
V
V
V
V
CC
CC
(Current Amp.2)
CC
CC
Current Amp.1
240 k
25
16 V (MB3874)
19 V (MB3876)
16 V (MB3874)
19 V (MB3876)
(Error Amp.3)
Error Amp.2
(11)
2
100 k
OUT
(10)
3
OUT