MB39A114 Datasheet, PDF (14/54 Pages) Fuji Electric – DC/DC Converter IC for Charging Li-ion Battery

MB39A114
Error Amplifier Gain, Phase vs. Frequency
40
Ta = +25 °C
VCC = 19 V
180
30
20
ϕ
90
10
0
AV
0
−10
−20
−90
−30
−40
−180
100
1k
10 k 100 k
1 M 10 M
Frequency f (Hz)
Error Amplifier Gain, Phase vs. Frequency
40
Ta = +25 °C
VCC = 19 V
180
30
20
ϕ
90
10
0
AV
0
−10
−20
−90
−30
−40
−180
100
1k
10 k 100 k
1 M 10 M
Frequency f (Hz)
Current Detection Amplifier Gain, Phase vs. Frequency
240 kΩ
10 kΩ
1 µF
8−
IN
2.4 kΩ (4)
10 kΩ
9
(3)
+
+
CS
7
OUT
Error Amp1
(Error Amp2)
240 kΩ
10 kΩ
1 µF
16
IN
2.4 kΩ
10 kΩ
CS
−
+
+
4.2 V
15
OUT
Error Amp3
40
30
20
10
0
−10
−20
−30
−40
100
180
AV
90
ϕ
0
−90
−180
1k
10 k 100 k
1 M 10 M
Frequency f (Hz)
14
10 kΩ
1 µF
IN
10 kΩ
VCC = 19 V
13 +
(24)
12 −
(1)
10
(2) OUT
12.6 V Current Amp1
(Current Amp2)
(Continued)