MB3782 Fujitsu Media Devices, MB3782 Datasheet - Page 20

• Manufacturer Part Number: MB3782
• Description: Switching Regulator Controller
• Manufacturer: Fujitsu Media Devices

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DataSheet
20
4
MB3782
U
.com
– 10
10
100 k
0
– 40
10 k
1 M
1 k
5.0
2.5
1 k
0
0
Ambient temperature vs.oscillator frequency
– 20
Timing resistance vs.oscillator frequency
C
T
Control voltage vs.reference voltage
= 15000 pF
Ambient temperature Ta (°C)
5 k 10 k 50 k
1
0
Timing resistance R
Control voltage V
20
2
40
3
100 k
CTL
60
T
V
C
C
( )
(V)
V
Ta = +25°C
CC
T
C
T
CC
V
C
R
T
= 1500 pF
80
= +25°C
= 6 V
4
CC
= 150 pF
T
T
= 6 V
500 k
= 330 pF
= 15 k
= 6 V
100
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5
120
100
10
1
100
80
60
40
20
V
R
Ta = +25°C
0
CC
T
500
250
= 15 k
= 6 V
Power supply voltage vs.averege feed current
0
0
10
5 k
2
Oscillator frequency vs.duty cycle
Timing capacitance C
10 k
4
Oscillator frequency (Hz)
Control voltage V
Control input current
10
8
3
50 k
12
100 k
T
CTL
(pF)
V
C
(V)
10
CC
T
V
C
R
Ta = +25°C
= +25°C
4
16
= 6 V
CC
T
T
= 1330 pF
= 15 k
= 6 V
500 k 1 M
20
(Continued)
10
5