mb3769apf Fujitsu Microelectronics, Inc., mb3769apf Datasheet - Page 23

• Manufacturer Part Number: mb3769apf
• Description: Switching Regulator Controller
• Manufacturer: Fujitsu Microelectronics, Inc.

14.0
13.5
13.0
12.5
1.5
1.0
0.5
0
60
40
20
0
10 k
0
0
0
Fig. 36 -“L” level Output Voltage vs.
Fig. 37 -“H” level Output Voltage vs.
Fig. 34 -Gain/Phase vs. Frequency
100
“L” level Output Current I
“H” level Output Current I
100
“L” level Output Current
“H” level Output Current
100 k
200
200
Frequency f (Hz)
300
300
1 M
Phase
Gain
400
400
(Set Gv = 60 dB)
OL
T
V
OH
A
T
CC
V
A
(mA)
= +25 C
CC
500
(mA)
T
V
= +25 C
500
= 15 V
A
10 M
CC
= 15 V
= +25 C
= 15 V
600
600
-180
-240
-300
-360
160
140
120
100
80
60
40
20
0
-30
55
50
45
0
Fig. 38 -tr/tf of Output and td of
-30
Fig. 35 -Duty cycle vs. Temp.
0
0
Comparator vs. Temp.
Temp. T
Temp. T
25
-25
f
f
A
OSC
OSC
( C)
A
C
V
V
( C)
L
DTC
50
MB3769A
= 500 kHz
= 200 kHz
CC
= 1000 pF
V
C
50
CC
L
= 15 V
= 2.5 V
= 1000 pF
= 15 V
td
tr
(Continued)
tf
85
85
23