參數(shù)資料
型號(hào): SC2441A
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): 12/37頁
文件大小: 1024K
代理商: SC2441A
12
2006 Semtech Corp.
www.semtech.com
POWER MANAGEMENT
Typical Characteristics
SC2441A
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)
F
V
COMP2
= 3V Channel 2
V
COMP1
= 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)
A
)
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)
A
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)
R
V
IN
= 3V V
CC
= 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)
D
R
OSC
= 40.2K
R
OSC
= 51.1K
R
OSC
= 66.5K
Step-down Channel Switching Frequency
vs Temperature
650
350
400
450
500
550
600
-50
-25
0
25
50
75
100
125
Temperature (°C)
F
R
OSC
= 40.2K
R
OSC
= 51.1K
R
OSC
= 66.5K
相關(guān)PDF資料
PDF描述
SC2441AEVB 1.8V to 20V Input 2-Phase Synchronous Step-down Controllers with Step-up Converter
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
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SC2441A_09 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:1.8V to 20V Input 2-Phase Synchronous Step-down Controllers with Step-up Converter
SC2441AEVB 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:1.8V to 20V Input 2-Phase Synchronous Step-down Controllers with Step-up Converter
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