MB3885 Fujitsu Microelectronics, Inc., MB3885 Datasheet - Page 23

• Manufacturer Part Number: MB3885
• Description: 1-channel Dc/dc Converter Ic With Synchronous Rectifier
• Manufacturer: Fujitsu Microelectronics, Inc.

Power Consumption vs. Input Voltage (fosc Parameters)
Power Consumption vs. Input Voltage (Qg Parameters)
1.00
0.90
0.80
0.70
0.60
0.50
0.40
0.30
0.20
0.10
0.00
1.00
0.90
0.80
0.70
0.60
0.50
0.40
0.30
0.20
0.10
0.00
5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
Input voltage Vin (V)
Input voltage Vin (V)
Ta
Qg
SW1 OFF
1
25 C
Ta
f
SW1 OFF
Qg
OSC
2
20 nC
25 C
200 kHz
f
f
f
f
f
OSC
OSC
OSC
Qg
OSC
OSC
Qg
Qg
Qg
Qg
1
1
1
1
1
200 kHz
100 kHz
10 kHz
500 kHz
300 kHz
Qg
Qg
Qg
Qg
Qg
2
2
2
2
2
70 nC
50 nC
30 nC
20 nC
10 nC
MB3885
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