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參數(shù)資料
| 型號： | SC2441EVB |
| 廠商： | Semtech Corporation |
| 英文描述： | Very Low Input Voltage 2-Phase Synchronous Step-down Controllers with Step-up Converter |
| 中文描述： | 非常低的輸入電壓2相同步降壓與升壓轉(zhuǎn)換器控制器 |
| 文件頁數(shù)： | 26/35頁 |
| 文件大小： | 733K |
| 代理商： | SC2441EVB |
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26
2005 Semtech Corp.
www.semtech.com
POWER MANAGEMENT
Applications Information (Cont.)
SC2441
In Figure 17, C
and R
are the capacitance and the
ESR of the output capacitor, g
is the error amplifier
transconductance and k
is the current loop gain. If one
specifies the loop crossover frequency f
, the
compensation component values are readily calculated
as
,
R
5
+
R
R
f
2
1
π
|
f
f
1
|
2
R
)
D
1
3
k
g
h
C
3
o
3
esr
3
esr
c
1
z
c
3
o
3
3
m
3
4
=
)
2
R
R
(
C
C
1
R
3
o
3
esr
3
o
4
4
+
=
and
3
o
3
esr
4
5
R
R
2
C
C
=
with
.
L
2
R
)
D
1
f
3
3
o
2
3
1
z
π
=
Bode plots of the loop response are shown in Figure 18.
Figure 18. Typical loop transfer function Bode plot of
the Boost converter.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SC2441ITSTRT | Very Low Input Voltage 2-Phase Synchronous Step-down Controllers with Step-up Converter |
| SC2442 | High Performance Wide Input Range Dual Synchronous Buck Controller |
| SC2442H | High Performance Wide Input Range Dual Synchronous Buck Controller |
| SC2442HITSTR | High Performance Wide Input Range Dual Synchronous Buck Controller |
| SC2442HITSTRT | High Performance Wide Input Range Dual Synchronous Buck Controller |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SC2441ITSTRT | 制造商:Semtech Corporation 功能描述:Controller IC |
| SC2442 | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:High Performance Wide Input Range Dual Synchronous Buck Controller |
| SC2442H | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:High Performance Wide Input Range Dual Synchronous Buck Controller |
| SC2442HITSTR | 制造商:Semtech Corporation 功能描述: |
| SC2442HITSTRT | 制造商:Semtech Corporation 功能描述:Controller IC |
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