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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)： | 7/26頁 |
| 文件大小： | 643K |
| 代理商： | SC2440TETRT |
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7
2005 Semtech Corp.
www.semtech.com
SC2440
POWER MANAGEMENT
Typical Characteristics
Soft-Start Pin Current
vs Soft-Start Voltage
-120
-100
-80
-60
-40
-20
0
0.0
0.5
1.0
V
SS
(V)
1.5
2.0
I
S
m
A
I
SS
of the Other
Channel (V
SS
= 0)
I
SS
of the
Swept Channel
T = 25°C
V
IN
=5V
FB Overload Threshold
vs Temperature
0.5
0.6
0.7
0.8
0.9
1.0
-50
-25
0
25
50
75
100 125
Temperature (°C)
F
V
IN
Quiescent Current vs V
IN
0
1
2
3
4
0
5
10
15
20
V
IN
(V)
V
I
25°C
-40°C
105°C
V
IN
Shutdown Current vs V
IN
0
25
50
75
100
125
150
0
5
10
15
20
V
IN
(V)
V
I
m
A
105°C
-40°C
SS1 = SS2 = 0
PGOOD Threshold to Feedback
Difference Voltage vs Temperature
-90
-100
-98
-96
-94
-92
-50
-25
0
25
50
75
100 125
Temperature (°C)
V
V
IN
Supply Current
vs Soft-Start Voltage
0
1
2
3
4
0.0
0.5
1.0
V
SS
(V)
1.5
2.0
I
I
V
SS1
= V
SS2
V
COMP1
= 0
V
COMP2
= 0
T
A
= 25°C
V
IN
= 5V
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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