MB3782_1 Datasheet, PDF (20/27 Pages) Fujitsu Component Limited. – ASSP Power Supplies BIPOLAR Switching Regulator Controller

MB3782
40
20
0
-20
-40
10
40
20
0
-20
-40
10
Frequenncy vs.gain and phase
CNF = open ₁₈₀
AV
90
0
φ
-90
-180
100
1k
10 k 100 k 1 M
Frequenncy f (Hz)
Frequenncy vs.gain and phase
CNF = 470 pF ₁₈₀
90
AV
0
φ
-90
-180
100
1k
10 k 100 k 1 M
Frequenncy f (Hz)
40
20
0
-20
-40
10
40
20
0
-20
-40
10
Frequenncy vs.gain and phase
CNF = 0.047 pF ₁₈₀
AV
90
0
φ
-90
-180
100
1k
10 k 100 k 1 M
Frequenncy f (Hz)
Frequenncy vs.gain and phase
CNF = 4700 pF ₁₈₀
AV
90
0
φ
-90
-180
100
1k
10 k 100 k 1 M
Frequenncy f (Hz)
Test Circuit
VREF
VREF
CNF
4.7 kΩ 4.7 kΩ
10
-
µF
+
IN
4.7 kΩ 4.7 kΩ
240 kΩ
4-
6
5+
Error amp
OUT
(Continued)
20