MB3769A Datasheet, PDF (22/26 Pages) Fujitsu Component Limited. – SWITCHING REGULATOR CONTROLLER

MB3769A
s TYPICAL PERFORMANCE CHARACTERISTICS (Continued)
Fig. 34 -Gain/Phase vs. Frequency
(Set Gv = 60 dB)
60
VCC = 15 V ^-180
TA = 25 °C
40
Phase
-240
Fig. 35 -Duty cycle vs. Temp.
55
VCC = 15 V
CL = 1000 pF
VDTC = 2.5 V
20
-300
Gain
50
fOSC = 200 kHz
0
-360
fOSC = 500 kHz
10 k
100 k
1M
10 M
Frequency f (Hz)
Fig. 36 -“L” level Output Voltage vs.
“L” level Output Current
VCC = 15 V
1.5
TA = 25 °C
1.0
0.5
0
0 100 200 300 400 500 600
“L” level Output Current IOL (mA)
Fig. 37 -“H” level Output Voltage vs.
“H” level Output Current
14.0
VCC = 15 V
TA = 25 °C
13.5
13.0
12.5
0
0
100 200 300 400 500 600
“H” level Output Current IOH (mA)
45
0
-30 0
25
50
85
Temp. TA (°C)
Fig. 38 -tr/tf of Output and td of
Comparator vs. Temp.
160
VCC = 15 V
CL = 1000 pF
140
td
120
100
80
tr
60
40
20
0
-30
tf
0
-25
50
85
Temp. TA (°C)
22