MB3886 Fujitsu Microelectronics, Inc., MB3886 Datasheet - Page 10

• Manufacturer Part Number: MB3886
• Description: 2-channel Dc/dc Converter Ic With Overcurrent Protection Symmetrical-phase Type
• Manufacturer: Fujitsu Microelectronics, Inc.

10
MB3886
TYPICAL CHARACTERISTICS
Reference Voltage vs. Ambient Temperature
1000
20
18
16
14
12
10
1.5
0.5
0.5
1.5
100
Triangular Waveform Oscillation Frequency
8
6
4
2
0
10
2
1
0
1
2
1
0
10
40
Supply Current vs. Supply Voltage
Ambient temperature Ta ( C)
20
Supply voltage V
Timing capacitor C
5
100
0
Timing Capacitor
20
10
1000
vs.
40
CC
VCC
VREF
60
T
(V)
10000
15
Ta
(pF)
Ta
VCC
RT
80
12 V
0 mA
25 C
9.1 k
25 C
12 V
100
100000
20
1000
5
4
3
2
1
0
100
0
Triangular Waveform Oscillation Frequency
Reference Voltage vs. Supply Voltage
10
1
1
Supply voltage V
5
Timing resistor R
Timing Resistor
10
vs.
10
CT 150 pF
CT 330 pF
CT 15000 pF
CC
Ta
VREF
(V)
T
15
(k )
Ta
VCC
25 C
0 mA
25 C
(Continued)
12 V
20
100