MB39A112 Datasheet, PDF (10/35 Pages) Fujitsu Component Limited. – 3-ch DC/DC Converter IC

MB39A112
(Continued)
40
30
20
10
0
−10
−20
−30
−40
Error Amp (CH1)
Gain, Phase vs. Frequency
AV
Ta = +25 °C
VCC = 12 V
180
ϕ
90
0
−90
−180
240 kΩ
10 kΩ
1 µ+F
IN
10 kΩ
2−
2.4 kΩ
1+
+
3.5 V 1.0 V
3
OUT
Error Amp1
100 1 k 10 k 100 k 1 M 10 M
Frequency f (Hz)
Error Amp (CH2, CH3)
Gain, Phase vs. Frequency
40
AV
Ta = +25 °C
VCC = 12 V
180
30
ϕ
20
90
10
0
0
−10
−20
−90
−30
−40
−180
240 kΩ
10 kΩ
1 µ+F
IN
10 kΩ
2.4 k
9−
(12)
10 +
(11) ₊
3.5 V 1.23 V
8
(13) ^OUT
Error Amp2
(Error Amp3)
100 1 k 10 k 100 k 1 M 10 M
Frequency f (Hz)
Maximum Power Dissipation vs. Ambient Temperature
1400
1300
1280
1200
1100
1000
900
800
700
600
500
400
300
200
100
0
−40 −20 0
20 40 60 80 100
Ambient temperature Ta ( °C)
10