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參數(shù)資料
| 型號： | Si9139DG-2218 |
| 廠商： | Vishay Intertechnology,Inc. |
| 英文描述： | Multi-Output, Individual On/Off Control Power-Supply Controller |
| 中文描述： | 多輸出，單獨開/關控制電源控制器 |
| 文件頁數(shù)： | 14/17頁 |
| 文件大小： | 162K |
| 代理商： | SI9139DG-2218 |
Si9139
Vishay Siliconix
New Product
www.vishay.com
14
Document Number: 71841
S-22317
—
Rev. A, 16-Dec-02
DETAILED FUNCTIONAL BLOCK DIAGRAMS
FIGURE 5.
Buck Block Diagram (SMPS A and B Controllers)
+
-
+
-
Logic
Control
_
+
BBM
+
-
+
-
+
-
+
-
ON
A
or ON
B
1X
DH
DL
LX_
V
L
DH
DL
Internal
Reference
PWMCMP
Pulse
Skipping
Control
Current
Limit
SYNC
Rectifier Control
20 mV
t
t
CS_
FB_
FB_
DH
DL
FB
C
R
2
R
3
DH
C
DL
C
BST
C
LX
C
Pulse
Skipping
Control
PWM
Comparator
100 mV
1.24-V
COMP
CSN
CSP
C/S
Amplifier
Current Limit
FIGURE 6.
Buck-Boost Block Diagram (Auxiliary SMPS Controller C)
SLC
R
X
R
Y
BST_
Error
Amplifier
Error
Amplifier
Logic
Control
Soft-Start
V
V
Soft-Start
ON
B
V
L
SLC
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| Si9139DG-2220 | Multi-Output, Individual On/Off Control Power-Supply Controller |
| Si9139DG-2515 | Multi-Output, Individual On/Off Control Power-Supply Controller |
| Si9139DG-2518 | Multi-Output, Individual On/Off Control Power-Supply Controller |
| Si9139DG-2520 | Multi-Output, Individual On/Off Control Power-Supply Controller |
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| SI9139DG-2218-T1 | 制造商:Vishay Siliconix 功能描述:CURRENT MODE PWM CNTRLR 2.2V/1.8V/1.24V TO 20V 1A 28SSOP - Tape and Reel |
| SI9139DG-2220 | 制造商:VISHAY 制造商全稱:Vishay Siliconix 功能描述:Multi-Output, Individual On/Off Control Power-Supply Controller |
| SI9139DG-2220-T1 | 制造商:Vishay Siliconix 功能描述:CURRENT MODE PWM CNTRLR 2.2V/2V/1.24V TO 20V 1A 28SSOP - Tape and Reel |
| SI9139DG-2515 | 制造商:VISHAY 制造商全稱:Vishay Siliconix 功能描述:Multi-Output, Individual On/Off Control Power-Supply Controller |
| SI9139DG-2515-T1 | 制造商:Vishay Siliconix 功能描述:CURRENT MODE PWM CNTRLR 2.5V/1.5V/1.24V TO 20V 1A 28SSOP - Tape and Reel |
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