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參數(shù)資料
| 型號(hào)： | SC2441ATETRT |
| 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(yè)數(shù)： | 14/37頁(yè) |
| 文件大?。?/td> | 1024K |
| 代理商： | SC2441ATETRT |
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14
2006 Semtech Corp.
www.semtech.com
POWER MANAGEMENT
Typical Characteristics
SC2441A
V
IN
Start-up Threshold Voltage vs Temperature
1.70
1.71
1.72
1.73
1.74
1.75
-50
-25
0
25
50
75
100
125
Temperature (°C)
V
I
V
IN
Hysteresis Voltage vs Temperature
0.075
0.080
0.085
0.090
0.095
0.100
0.105
0.110
-50
-25
0
25
50
75
100 125
Temperature (°C)
V
I
Overload Hiccup Threshold vs Temperature
0.350
0.355
0.360
0.365
0.370
0.375
0.380
0.385
0.390
0.395
0.400
-50
-25
0
25
50
75
100 125
Temperature (°C)
O
V
SS1,2
= 3.5V
Soft-Start Voltage Threshold (to Enable Overload
Hiccup Protection) vs Temperature
3.0
3.2
3.4
3.6
3.8
4.0
-50
-25
0
25
50
75
100
125
Temperature (°C)
S
E
P
Soft-Start Discharge Current vs Temperature
7.0
7.5
8.0
8.5
9.0
-50
-25
0
25
50
75
100
125
Temperature (°C)
S
A
V
FB1
=V
FB2
=0.3V, V
SS1
=V
SS2
=3V
Soft-Start Voltage (to Restart Overload Shutdown)
vs Temperature
0.50
0.52
0.54
0.56
0.58
0.60
-50
-25
0
25
50
75
100
125
Temperature (°C)
S
O
Soft-Start Disable Voltage vs Temperature
0.75
0.77
0.79
0.81
0.83
-50
-25
0
25
50
75
100
125
Temperature (°C)
S
S
V
FB1
=V
FB2
=0.45V, V
COMP1
=V
COMP2
=2V
Soft-Start Threshold Voltage (to Eable PWM
Operation) vs Temperature
1.20
1.22
1.24
1.26
1.28
1.30
-50
-25
0
25
50
75
100
125
Temperature (°C)
S
E
V
FB1
=V
FB2
=0.03V
Current Sense Amplifier Input Bias Current vs
Temperature (Inverting Pin)
-40
-35
-30
-25
-50
-25
0
25
50
75
100
125
Temperature (°C)
C
C
μ
A
V
CC
= 8V, V
CS1 (-)
= V
CS2 (-)
= 0V
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 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 |
| SC2442H | 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 |
|---|---|
| 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 |
| SC2442HITSTR | 制造商:Semtech Corporation 功能描述: |
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