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SC2441AEVB bảng dữ liệu(PDF) 14 Page - Semtech Corporation

tên linh kiện SC2441AEVB
Giải thích chi tiết về linh kiện  1.8V to 20V Input 2-Phase Synchronous Step-down Controllers with Step-up Converter
PDF  37 Pages
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nhà sản xuất  SEMTECH [Semtech Corporation]
Trang chủ  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SC2441AEVB bảng dữ liệu(HTML) 14 Page - Semtech Corporation

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 2006 Semtech Corp.
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POWER MANAGEMENT
SC2441A
Typical Characteristics
VIN Start-up Threshold Voltage vs Temperature
1.70
1.71
1.72
1.73
1.74
1.75
-50-25
0
25
50
75100 125
Temperature (°C)
VIN 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)
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)
VSS1,2 = 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)
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)
VFB1=VFB2=0.3V, VSS1=VSS2=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
255075
100 125
Temperature (°C)
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)
VFB1=VFB2=0.45V, VCOMP1=VCOMP2=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)
VFB1=VFB2=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)
VCC = 8V, VCS1 (-) = VCS2 (-) = 0V



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