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參數(shù)資料
| 型號(hào)： | SC1417BIMSTRT |
| 廠商： | Semtech Corporation |
| 英文描述： | MicroPower, 620kHz PWM, Step-up DC/DC Converter |
| 中文描述： | 微功耗，620kHz PWM，降壓型DC / DC轉(zhuǎn)換器 |
| 文件頁數(shù)： | 6/11頁 |
| 文件大?。?/td> | 195K |
| 代理商： | SC1417BIMSTRT |
6
2006 Semtech Corp.
www.semtech.com
SC1417B
POWER MANAGEMENT
Typical Characteristics
Feedback Voltage
vs. Temperature
Supply Current in Shutdown
vs. Temperature
Supply Current in PWM Mode
vs. Temperature
Feedback Input Current
vs. Temperature
Power Switch Voltage Drop
vs. Temperature
Power Switch Current Limit
vs. Temperature
1.200
1.205
1.210
1.215
1.220
1.225
1.230
1.235
1.240
1.245
1.250
-50
-25
0
25
50
75
100
T
A
(°C)
V
F
V
IN
= V
EN
= 2V
V
COMP
= 600mV
LX floating
0
10
20
30
40
50
60
-50
-25
0
25
50
75
100
T
A
(°C)
I
Q
V
IN
= 2V
V
EN
= 0V
V
LBI
= 300mV
3.3
3.5
3.7
3.9
4.1
4.3
4.5
4.7
4.9
5.1
5.3
-50
-25
0
25
50
75
100
T
A
(°C)
I
Q
V
IN
= V
EN
= 2V
I
OUT
= 0A
V
COMP
= 100mV
0
5
10
15
20
25
30
35
40
45
50
-50
-25
0
25
50
75
100
T
A
(°C)
I
F
V
IN
= V
EN
= 2V
V
FB
= 1.22V
0
50
100
150
200
250
300
350
400
-50
-25
0
25
50
75
100
T
A
(°C)
(
L
V
IN
= V
EN
= 2V
I
LX
= 500mA
0.70
0.75
0.80
0.85
0.90
0.95
1.00
1.05
1.10
1.15
1.20
-50
-25
0
25
50
75
100
T
A
(°C)
I
L
V
IN
= V
EN
= 2V
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