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參數(shù)資料
| 型號： | SC2441AEVB |
| 廠商： | Semtech Corporation |
| 英文描述： | 1.8V to 20V Input 2-Phase Synchronous Step-down Controllers with Step-up Converter |
| 中文描述： | 1.8V至20V的輸入2相同步降壓與升壓轉(zhuǎn)換器控制器 |
| 文件頁數(shù)： | 16/37頁 |
| 文件大小： | 1024K |
| 代理商： | SC2441AEVB |
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16
2006 Semtech Corp.
www.semtech.com
POWER MANAGEMENT
Typical Characteristics
SC2441A
Phase Shift vs Temperature
0
45
90
135
180
225
-50
-25
0
25
50
75
100
125
Temperature (°C)
P
R
OSC
= 66.5K
f
SYNC
= 300KHz
R
2
= 31.6K
R
2
= 41.2K
R
2
= 61.9K
R
2
= 121K
Phase Shift vs Temperature
0
45
90
135
180
225
-50
-25
0
25
50
75
100
125
Temperature (°C)
P
R
OSC
= 40.2K
f
SYNC
= 500KHz
R
2
= 36.5K
R
2
= 47.5K
R
2
= 71.5K
R
2
= 143K
Phase Shift vs Temperature
0
45
90
135
180
225
-50
-25
0
25
50
75
100
125
Temperature (°C)
P
f
SYNC
= 400KHz
R
2
= 34.8K
R
2
= 46.4K
R
2
= 68.1K
R
2
= 140K
R
OSC
= 51.1K
Upper Gate Driver Transition Time vs Load
Capacitance
100
0
20
40
60
80
0
1
10
Load Capacitance (nF)
T
V
CC
= 12V
t
r
t
f
25°C
Upper Gate Driver Transition Time vs Load
Capacitance
100
0
20
40
60
80
0
1
10
Load Capacitance (nF)
T
V
CC
= 5V
t
r
t
f
25°C
Percentage Deviation In
Phase Shift vs Temperature
-25
-20
-15
-10
-5
0
5
10
15
20
25
-50
-25
0
25
50
75
100
125
Temperature (°C)
P
R
OSC
= 40.2K
f
SYNC
= 500KHz
R
2
= 36.5K
R
2
= 47.5K
R
2
= 71.5K
R
2
= 143K
Percentage Deviation In
Phase Shift vs Temperature
-60
-50
-40
-30
-20
-10
0
10
20
30
-50
-25
0
25
50
75
100
125
Temperature (°C)
P
R
OSC
= 66.5K
f
SYNC
= 300KHz
R
2
= 31.6K
R
2
= 41.2K
R
2
= 61.9K
R
2
= 121K
Percentage Deviation In
Phase Shift vs Temperature
-20
-10
0
10
20
-50
-25
0
25
50
75
100
125
Temperature (°C)
P
f
SYNC
= 400KHz
R
OSC
= 51.1K
R
2
= 34.8K
R
2
= 46.4K
R
2
= 68.1K
R
2
= 140K
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SC2441ATETRT | 1.8V to 20V Input 2-Phase Synchronous Step-down Controllers with Step-up Converter |
| SC2441 | Very Low Input Voltage 2-Phase Synchronous Step-down Controllers with Step-up Converter |
| SC2441EVB | Very Low Input Voltage 2-Phase Synchronous Step-down Controllers with Step-up Converter |
| SC2441ITSTRT | Very Low Input Voltage 2-Phase Synchronous Step-down Controllers with Step-up Converter |
| SC2442 | High Performance Wide Input Range Dual Synchronous Buck Controller |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SC2441ATETRT | 制造商:Semtech Corporation 功能描述: |
| SC2441EVB | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:Very Low Input Voltage 2-Phase Synchronous Step-down Controllers with Step-up Converter |
| SC2441ITSTRT | 制造商:Semtech Corporation 功能描述:Controller IC |
| SC2442 | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:High Performance Wide Input Range Dual Synchronous Buck Controller |
| SC2442H | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:High Performance Wide Input Range Dual Synchronous Buck Controller |
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