參數(shù)資料
型號(hào): SC1408ISTRT
廠商: Semtech Corporation
英文描述: Low Voltage, Boost DC-DC Controller
中文描述: 低電壓,升壓DC - DC控制器
文件頁(yè)數(shù): 7/12頁(yè)
文件大?。?/td> 235K
代理商: SC1408ISTRT
7
2005 Semtech Corp.
www.semtech.com
POWER MANAGEMENT
Typical Characteristics
SC1408
Figs.5 - 8: Maximum output current vs. input voltage and sense resistor value. (Boost Mode)
Figs.9-11:Efficiency in the Boost Application circuit of Fig.1
Vo=5V
60%
70%
80%
90%
100%
1
10
100
1000
Io (mA)
E
Vin=5.0V
Vin=4.0V
Vin=3.3V
Vin=3.0V
Vo=12V
60%
70%
80%
90%
100%
1
10
100
1000
Io (mA)
E
Vin=5.0V
Vin=3.0V
Vin=1.8V
Vo=15V
60%
70%
80%
90%
100%
1
10
100
1000
Io (mA)
E
Vin=12V
Vin=9.0V
Vin=5.0V
Vin=3.0V
Vin=1.8V
Vo=3.3V
L=22uH
100mOhm
50mOhm
35mOhm
25mOhm
20mOhm
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
2.0
2.2
2.4
2.6
2.8
3.0
3.2
Vin (V)
I
Vo=5V
L=22uH
100mOhm
50mOhm
35mOhm
25mOhm
20mOhm
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
Vin (V)
I
Vo=12V
L=22uH
100mOhm
50mOhm
35mOhm
25mOhm
20mOhm
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
2.0
4.0
6.0
8.0
10.0
12.0
Vin (V)
I
Vo=15V
L=22uH
100mOhm
50mOhm
35mOhm
25mOhm
20mOhm
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
2.0
4.0
6.0
8.0
10.0
12.0
14.0
16.0
Vin (V)
I
相關(guān)PDF資料
PDF描述
SC1408 LOW VOLTAGE, BOOST DC-DC CONTROLLER
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