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參數(shù)資料
| 型號： | L6713A |
| 廠商： | Holtek Semiconductor Inc. |
| 英文描述： | 2/3 Phase controller with embedded drivers for Intel VR10, VR11 and AMD 6 bit CPUs |
| 中文描述： | 2 / 3為英特爾VR10，VR11和AMD的嵌入式驅(qū)動器相控制器6位CPU |
| 文件頁數(shù)： | 43/64頁 |
| 文件大?。?/td> | 515K |
| 代理商： | L6713A |
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Output voltage monitor and protections
L6713A
48/64
Figure 22. Output voltage protections and typical principle connections
17.3
Over voltage and programmable OVP
Once VCC crosses the turn-ON threshold and the device is enabled (OUTEN = 1), L6713A
provides an Over Voltage Protection: when the voltage sensed by VSEN overcomes the
OVP threshold, the controller permanently switches on all the low-side MOSFETs and
switches OFF all the high-side MOSFETs in order to protect the load. The OSC/ FAULT pin
is driven high (5V) and power supply or OUTEN pin cycling is required to restart
operations.The OVP Threshold varies according to the operative mode selected (See
Table 11).
The OVP threshold can be also programmed through the OVP pin: leaving the pin floating, it
is internally pulled-up and the OVP threshold is set according to Table 11. Connecting the
OVP pin to SGND through a resistor ROVP, the OVP threshold becomes the voltage present
at the pin. Since the OVP pin sources a constant IOVP=12.5A current(See Table 4), the
programmed voltage becomes:
Filter OVP pin with 100pF(max) vs. SGND.
17.4
PGOOD (only for AMD mode)
It is an open-drain signal set free after the soft-start sequence has finished. It is pulled low
when the output voltage drops below -300mV of the programmed voltage.
VCC
VCCDR1
VCCDR2
VCCDR3
+12V
+5V
SB
Vcc
UVLO
OVP
UVLO
VCC
Preliminary OVP Enabled
VSEN Monitored
No Protection
Provided
(OUTEN = 1)
Programmable OVP
VSEN Monitored
(OUTEN = 0)
Preliminary OVP
VSEN Monitored
OVP
TH
R
OVP
12.5
A
=
R
OVP
TH
12.5
A
--------------------
=
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| L6713A_0805 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:2/3/4 phase controller with embedded drivers for Intel VR11.1 |
| L6713ATR | 功能描述:DC/DC 開關(guān)控制器 2/3 Phase controller RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
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| L6714TR | 功能描述:功率驅(qū)動器IC 4 Phase Controller RoHS:否 制造商:Micrel 產(chǎn)品:MOSFET Gate Drivers 類型:Low Cost High or Low Side MOSFET Driver 上升時間: 下降時間: 電源電壓-最大:30 V 電源電壓-最小:2.75 V 電源電流: 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| L6716 | 制造商:STMicroelectronics 功能描述:DC DC Cntrlr Quad-OUT Sync Step Down 48-Pin VFQFPN EP Tray 制造商:STMicroelectronics 功能描述:HANDHELD & COMPUTER PM - Trays 制造商:STMicroelectronics 功能描述:2/3/4 Phase Controlr Embedded Driver |
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