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參數(shù)資料
| 型號： | Si9139DG-2220 |
| 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(dú)開/關(guān)控制電源控制器 |
| 文件頁數(shù)： | 4/17頁 |
| 文件大?。?/td> | 162K |
| 代理商： | SI9139DG-2220 |
Si9139
Vishay Siliconix
New Product
www.vishay.com
4
Document Number: 71841
S-22317
—
Rev. A, 16-Dec-02
PIN CONFIGURATION
RESET
FB
A
DH
A
LX
A
BST
A
DL
A
V
IN
V
L
FB
B
PGND
FB
C
BST
C
DH
C
LX
C
DL
C
CSP
SSOP-28
Top View
25
26
27
28
2
3
4
1
22
23
24
5
6
7
CSN
COMP
GND
DL
B
BST
B
LX
B
DH
B
REF
ON
A
ON
B
CS
B
CS
A
18
19
20
21
9
10
11
8
15
16
17
12
13
14
PIN DESCRIPTION
Pin
Symbol
Description
1
RESET
Open drain NMOS output active-low timed reset output. RESET swings GND to V
L
. Goes high after a fixed 32,000 clock
cycle delay following proper power-up of all supply outputs indicating Power_Good.
2
FB
C
Feedback for Auxiliary controller C. Normally connected to an external resistor divider used to set the Auxiliary output
voltage.
3
BST
C
DH
C
LX
C
DL
C
CSP
Boost capacitor connection for Auxiliary SMPS controller C
4
Gate-drive output for Auxiliary SMPS controller C high-side MOSFET
5
Inductor connection for Auxiliary SMPS controller C
6
Gate-drive output for Auxiliary SMPS controller C low-side MOSFET
7
Current sense positive input for Auxiliary SMPS controller C
8
CSN
Current sense negative input for Auxiliary SMPS controller C
9
COMP
Auxiliary SMPS controller C compensation connection, if required
10
GND
Analog ground
11
REF
3.3-V internal reference
12
ON
A
ON
B
CS
B
DH
B
LX
B
BST
B
DL
B
PGND
Logic High enables the SMPS controller A
13
Logic High enables the SMPS controller B and the Auxiliary SMPS controller C adjustable SMPS controllers
14
Current sense input for SMPS controller B
15
Gate-drive output for SMPS controller B high-side MOSFET
16
Inductor connection for SMPS controller B
17
Boost capacitor connection for SMPS controller B
18
Gate-drive output for SMPS controller B low-side MOSFET
19
Power ground
20
FB
B
V
L
V
IN
DL
A
BST
A
LX
A
DH
A
FB
A
CS
A
Feedback for SMPS controller B
21
5-V logic supply voltage for internal circuitry
22
Input voltage
23
Gate-drive output for SMPS controller A low-side MOSFET
24
Boost capacitor connection for SMPS controller A
25
Gate-drive output for SMPS controller A high-side MOSFET
26
Inductor connection for SMPS controller A low-side MOSFET
27
Feedback for SMPS controller A
28
Current sense input for SMPS controller A
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| Si9139DG-2518 | Multi-Output, Individual On/Off Control Power-Supply Controller |
| Si9139DG-2520 | Multi-Output, Individual On/Off Control Power-Supply Controller |
| Si9139DG-2522 | Multi-Output, Individual On/Off Control Power-Supply Controller |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 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 |
| SI9139DG-2518 | 功能描述:電流型 PWM 控制器 Dual Pwr-Supply Ctrl 2.5 and 1.8V RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時間: 下降時間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
| SI9139DG-2518-T1 | 功能描述:電流型 PWM 控制器 Dual Pwr-Supply Ctrl 2.5 and 1.8V RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時間: 下降時間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
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