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參數(shù)資料
| 型號(hào)： | FAN5660 |
| 廠商： | Fairchild Semiconductor Corporation |
| 英文描述： | Monolithic Inductorless CMOS DC/DC Converter |
| 中文描述： | 電感器的CMOS單片DC / DC變換器 |
| 文件頁數(shù)： | 5/9頁 |
| 文件大小： | 339K |
| 代理商： | FAN5660 |
FAN5660
REV. 1.0.2 3/28/02
5
Typical Applications Diagrams
Unless otherwise speci
fi
ed T
A
=25
°
C,V+=5V, C1=C2=100μF, Iload=0, FC and LV open, using circuit in Figure 1
1.2
1.0
FC = V+
LV to
GND
LV to
GND
FC = V+,
LV = GND
LV to GND
0.8
0.6
0.4
0.2
0
60
55
50
45
40
100
90
80
70
60
1.2
1.4
1.6
1.8
1.0
0.8
0.6
0.4
0.2
0
1
2
3
4
5
6
1.5
2
2.5
3
3.5
4
4.5
5
5.5
1
10
100
1
10
100
Supply Current vs. Supply Voltage
Supply Current vs. Oscillator Frequency
Oscillator Frequency vs.
Supply Voltage, FC to V+
Oscillator Frequency vs. Supply Voltage
Efficiency vs. Operating Frequency
Efficiency vs. Load Current
Supply Voltage (V)
Supply Voltage (V)
Operating Frequency (kHz)
1.5
2
2.5
3
3.5
4
4.5
5
5.5
Supply Voltage (V)
0
20
V+ = 1.5V
V+ = 2.5V
V+ = 3.5V
V+ = 4.5V
V+ = 5.5V
40
60
80
100
120
Load Current (mA)
Oscillator frequency (kHz)
S
O
E
1.00
0.95
0.90
0.80
0.85
0.75
0.70
E
7
6
5
4
3
O
S
FC and LV open
Iload = 10mA
Iload = 1mA
Iload = 80mA
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