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SC2441AEVB датащи(PDF) 12 Page - Semtech Corporation

номер детали SC2441AEVB
подробное описание детали  1.8V to 20V Input 2-Phase Synchronous Step-down Controllers with Step-up Converter
PDF  37 Pages
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производитель  SEMTECH [Semtech Corporation]
домашняя страница  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SC2441AEVB датащи(HTML) 12 Page - Semtech Corporation

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 2006 Semtech Corp.
www.semtech.com
POWER MANAGEMENT
SC2441A
Typical Characteristics
Feedback Pin Input Bias Current vs
Temperature
0
50
100
150
200
250
300
350
400
-50
-25
0
25
50
75
100
125
Temperature (°C)
VCOMP2 = 3V
Channel 2
VCOMP1 = 3V
Channel 1
Amplifier Transconductance vs Temperature
200
220
240
260
280
300
320
340
360
380
400
-50
-25
0
25
50
75
100 125
Temperature (°C)
Amplifier Open Loop Gain vs Temperature
70
71
72
73
74
75
76
77
78
79
80
-50
-25
0
25
50
75
100 125
Temperature (°C)
Step-down Channel Feedback
vs Temperature
0.45
0.47
0.49
0.51
0.53
0.55
-50
-25
0
25
50
75
100
125
Temperature (°C)
VIN = 3V VCC = 8V
Percenatge Frequency Deviation
From Nominal vs Temperature
-5
-4
-3
-2
-1
0
1
2
3
4
5
-50
-25
0
25
50
75
100
125
Temperature (°C)
ROSC = 40.2KW
ROSC = 51.1KW
ROSC = 66.5KW
Step-down Channel Switching Frequency
vs Temperature
350
400
450
500
550
600
650
-50
-25
0
25
50
75
100
125
Temperature (°C)
ROSC = 40.2KW
ROSC = 51.1KW
ROSC = 66.5KW



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