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參數(shù)資料
| 型號： | SC2440TETRT |
| 廠商： | Semtech Corporation |
| 英文描述： | 2.5 MHz Dual Switching Regulator with Integrated 2A Switches |
| 中文描述： | 2.5 MHz雙開關(guān)穩(wěn)壓器集成甲開關(guān) |
| 文件頁數(shù)： | 6/26頁 |
| 文件大?。?/td> | 643K |
| 代理商： | SC2440TETRT |
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6
2005 Semtech Corp.
www.semtech.com
SC2440
POWER MANAGEMENT
Typical Characteristics
Frequency Setting Resistor
vs Channel Frequency
1
10
100
1000
0
0.5
1
1.5
2
2.5
3
Frequency (MHz)
R
O
(
W
)
V
IN
= 5V
Feedback Voltage vs Temperature
0.97
0.98
0.99
1.00
1.01
1.02
-50
-25
0
25
50
75
100
125
Temperature (°C)
V
F
V
IN
= 5V
Switch Saturation Voltage
vs Switch Current
100
200
300
400
0.0
0.5
1.0
1.5
2.0
2.5
Switch Current (A)
V
C
25°C
125°C
-40°C
V
IN
Start Threshold vs Temperature
2.4
2.5
2.6
2.7
2.8
-50
-25
0
25
50
75
100 125
Temperature (°C)
V
I
SYNC Input Logic Thresholds
vs Temperature
1.0
1.2
1.4
1.6
1.8
-50
-25
0
25
50
75
100
125
Temperature (°C)
S
V
IH
V
IL
Channel Frequency vs Temperature
1.6
1.2
1.3
1.4
1.5
-50
-25
0
25
50
75
100
125
Temperature (°C)
F
R
OSC
=12.1K
SS Shutdown Threshold
vs Temperature
0.20
0.25
0.30
0.35
0.40
-50 -25
0
25
50
75 100 125
Temperature (°C)
S
V
SS1
= V
SS2
Boost Pin Current
vs Switch Current
0
20
40
60
80
0.0
0.5
1.0
1.5
2.0
2.5
Switch Current (A)
B
125°C
-40°C
V
IN
= 5V
V
BST
= 8V
Switch Current Limit
vs Temperature
2.0
2.2
2.4
2.6
2.8
3.0
-50
-25
0
25
50
75
100
125
Temperature (°C)
C
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SC2441A | 1.8V to 20V Input 2-Phase Synchronous Step-down Controllers with Step-up Converter |
| 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 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SC2441 | 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 |
| SC2441A | 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 |
| 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: |
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