參數(shù)資料
型號: 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): 15/37頁
文件大?。?/td> 1024K
代理商: SC2441A
15
2006 Semtech Corp.
www.semtech.com
POWER MANAGEMENT
Typical Characteristics
SC2441A
Boost Section Feedback Pin Bias Current vs
Temperature
25
30
35
40
45
50
55
60
65
-50
-25
0
25
50
75
100
125
Temperature (°C)
B
C
Boost Section Amplifier Transconductance vs
Temperature
105
55
65
75
85
95
-50
-25
0
25
50
75
100
125
Temperature (°C)
B
T
)
Boost Section Amplifier Open Loop Gain vs
Temperature
56
50
51
52
53
54
55
-50
-25
0
25
50
75
100
125
Temperature (°C)
B
L
Boost Section Switch Saturation Voltage vs
Temperature
0.35
0.25
0.27
0.29
0.31
0.33
-50
-25
0
25
50
75
100
125
Temperature (°C)
B
V
I
SW =
0.6A
Boost Section Switch Current Limit vs
Temperature
0.90
0.60
0.65
0.70
0.75
0.80
0.85
-50
-25
0
25
50
75
100
125
Temperature (°C)
B
(
Boost Section Feedback Voltage vs Temperature
1.20
1.22
1.24
1.26
1.28
-50
-25
0
25
50
75
100
125
Temperature (°C)
B
1.8V < V
IN
< 16.5V
Bottom 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
Bottom 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
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