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| 型号： | L6911E |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 稳压器 |
| 英文描述： | 1.3 A SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PDSO20 |
| 封装： | SO-20 |
| 文件页数： | 16/34页 |
| 文件大小： | 558K |
| 代理商： | L6911E |
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L6911E
Device description
23/34
Note:
To understand the reason of the previous assumption, the scheme in Figure 11 on page 23
must be considered.
In this scheme, the inductor current has been substituted by the load current, because in the
frequencies range of interest for the Droop function these current are substantially the same
and it was supposed that the droop network don't represent a charge for the inductor.
Figure 11. Voltage regulation with droop function block scheme
It results:
Equation 23
Because in the interested range |Gloop|>>1.
To obtain a flat shape, the relationship considered will naturally follow.
Av(s)
R(s)
Vout
V com p
Iout
d
s
L
s
OUT
R
τ
+
+
1
Z
OUT
V
o
I
LOAD
---------------
R
d
1s
τ
L
+
1s
τ
d
+
------------------
G
LOOP
1G
LOOP
+
----------------------------
R
OUT
1s
τ
L
+
1s
τ
d
+
------------------
==
=
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相关代理商/技术参数 |
参数描述 |
|---|---|
| L6911E_07 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:5-Bit programmable step down controller with synchronous rectification |
| L6911ETR | 功能描述:DC/DC 开关控制器 5B PROGRAMMABLE STEP DOWN CONTROLLER RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
| L6912-2 | 制造商:Thomas & Betts 功能描述:1/2 CORD GRIP CONNECTOR,2/BG |
| L6913-1 | 制造商:Thomas & Betts 功能描述:1/2 CORD GRIP CONNECTOR,1/BG |
| L6913-2 | 制造商:Thomas & Betts 功能描述:1/2 CORD GRIP CONNECTOR,2/BG |
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