MB3878 Fujitsu Media Devices, MB3878 Datasheet - Page 11

• Manufacturer Part Number: MB3878
• Description: DC/DC Converter IC for Charging
• Manufacturer: Fujitsu Media Devices

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Error amplifier gain and phase vs. frequency
40
20
20
40
40
20
20
40
800
740
700
600
500
400
300
200
100
0
0
Current detection amplifier gain and phase
1 k
1 k
Power dissipation vs. ambient temperature
0
40
Ambient temperature Ta ( C)
10 k
10 k
20
Frequency f (Hz)
Frequency f (Hz)
A
V
0
A
vs. frequency
V
100 k
100 k
20
40
Ta
1 M
Ta
1 M
25 C
25 C
60
10 M
10 M
180
90
0
180
90
0
80
90
180
90
180
100
IN
1 F
12.6 V
5.2 V
10 k
2.4 k
10 k
(24)
(4)
(3)
13
12
(1)
12.55 V
2.5 V
8
9
VCC 19 V
VCC 19 V
240 k
(Error Amp.2)
25
(Current Amp.2)
Error Amp.1
Current Amp.1
(5)
(2)
10
7
MB3878
OUT
OUT
11