MB39A113 Datasheet, PDF (12/51 Pages) Fujitsu Component Limited. – ASSP for Power Supply Applications (Secondary Battery)

MB39A113
Error Amplifier, Gain and 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
240 kΩ
10 kΩ
1 µF
8−
IN
2.4 kΩ (4)
10 kΩ
9
(3)
+
+
CS
7
OUT
Error Amp1
(Error Amp2)
100
1k
10 k 100 k
1 M 10 M
Frequency f (Hz)
Error Amplifier, Gain and 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
240 kΩ
10 kΩ
1 µF
16
IN
2.4 kΩ
10 kΩ
CS
−
+
+
4.2 V
15
OUT
Error Amp3
100
1k
10 k 100 k
1 M 10 M
Frequency f (Hz)
Current Detection Amplifier, Gain and Phase vs.
Frequency
40
180
30
AV
20
90
10
0
ϕ
0
−10
−20
−90
−30
−40
−180
10 kΩ
1 µF
IN
10 kΩ
VCC = 19 V
13 +
(24)
12 −
(1)
10
(2) OUT
12.6 V Current Amp1
(Current Amp2)
100
1k
10 k 100 k
1 M 10 M
Frequency f (Hz)
12
(Continued)