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參數(shù)資料
| 型號： | SIP43101DQ-T1 |
| 廠商： | Vishay Intertechnology,Inc. |
| 英文描述： | Dual Output Power Switch with Inverting Input |
| 中文描述： | 雙輸出電源開關(guān)與反相輸入 |
| 文件頁數(shù)： | 5/5頁 |
| 文件大?。?/td> | 84K |
| 代理商： | SIP43101DQ-T1 |
SiP43101
Vishay Siliconix
New Product
Document Number: 72640
S-32451, Rev. A—01-Dec-03
www.vishay.com
5
FUNCTIONAL BLOCK DIAGRAM
Short Citcuit
Thermal Shut Down
Reset
UVLO
Reference
Control
Logic
C
2
E
2
C
1
E
1
C
DEL
V
CC
FAULT
IN
2B
IN
2A
IN
1
GND
DETAILED OPERATION
Turn On Delay
The turn on delay prohibits the output switches from being
turned on for a period of time after V
CC
has passed through
8 V and the undervoltage condition no longer exists. The
UVLO function keeps the external C
DEL
capacitor discharged
until V
CC
is greater than 8 V. Subsequently, an internal 2.5- A
current source charges the capacitor from GND to 4.7 V. A
comparator detects when the voltage on C
DEL
passes
through 4 V and enables the output switches. The delay time
is a function of the capacitor value and is defined as
1.6 ms/nF.
An external switch can be connected across the capacitor to
disable the output switches and reset the time delay.
Short Circuit and Overcurrent indication
When an overcurrent or short circuit condition occurs on
either switch, the SiP43101 enters a hiccup current limiting
mode. In this mode, the capacitor on C
DEL
is discharged
down to 3 V, thus turning off the output switches, and then is
charged up to 4 V by a 2.5- A internal current source, thus
turning the switches on again. If the overcurrent or short circuit
condition remains this cycle will continue. The switches are
enabled at a very low duty cycle, minimizing the power
dissipation and protecting the switches from damage.
The FAULT output will switch to GND, indicating that an
overload condition or short circuit condition exists.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SIP43101DQ-T1-E3 | 功能描述:電源開關(guān) IC - 配電 Inverting Dual Power Switch RoHS:否 制造商:Exar 輸出端數(shù)量:1 開啟電阻（最大值）:85 mOhms 開啟時(shí)間（最大值）:400 us 關(guān)閉時(shí)間（最大值）:20 us 工作電源電壓:3.2 V to 6.5 V 電源電流（最大值）: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-23-5 |
| SIP43102 | 制造商:VISHAY 制造商全稱:Vishay Siliconix 功能描述:Dual Output Power Switch |
| SIP43102DLP-T1 | 功能描述:電源開關(guān) IC - 配電 Non-Inverting Dual Power Switch RoHS:否 制造商:Exar 輸出端數(shù)量:1 開啟電阻（最大值）:85 mOhms 開啟時(shí)間（最大值）:400 us 關(guān)閉時(shí)間（最大值）:20 us 工作電源電壓:3.2 V to 6.5 V 電源電流（最大值）: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-23-5 |
| SIP43102DLP-T1-E3 | 功能描述:電源開關(guān) IC - 配電 Non-Inverting Dual Power Switch RoHS:否 制造商:Exar 輸出端數(shù)量:1 開啟電阻（最大值）:85 mOhms 開啟時(shí)間（最大值）:400 us 關(guān)閉時(shí)間（最大值）:20 us 工作電源電壓:3.2 V to 6.5 V 電源電流（最大值）: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-23-5 |
| SIP43102DQ-T1 | 制造商:Vishay Siliconix 功能描述:PWR SWIT HI SIDE/LO SIDE 0.2A 16TSSOP - Tape and Reel |
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