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參數(shù)資料
| 型號： | HV311 |
| 廠商： | Supertex, Inc. |
| 英文描述： | Hotswap, Controllers with Circuit Breaker |
| 中文描述： | 熱插拔控制器與斷路器 |
| 文件頁數(shù)： | 11/21頁 |
| 文件大小： | 664K |
| 代理商： | HV311 |
11
HV301/HV311
Application Circuit 3
However, if the DC/DC PWM Converter with the ENABLE input
circuit configuration was active HIGH, then the apparent choice
of the HV301 would result in the creation of a current path
through the protective diode clamp of the ENABLE input and the
PWRGD output MOSFET of the HV301. For this situation the
HV311 should be used as shown below in
Application Circuit 2
.
In some applications the PWRGD signal is used to activate load
circuitry on the isolated output side of the DC/DC PWM Con-
verter. In this situation an optocoupler is needed to provide the
required isolation as shown below in
Application Circuit 3
.
Application Information, cont’d.
Application Circuit 2
VDD
UV
OV
VEE
SENSE
5
GATE
6
RAMP
7
-48V
Cload
+5V
HV311
8
3
2
4
COM
1
GND
+
-
DC/DC
PWM
CONVERTER
PWRGD
ENABLE
R4
12.5m
R1
487k
R2
6.81k
R3
9.76k
Q1
IRF530
C1
10nF
Note: capacitor may be needed to slow PWRGD dv/dt if
oscillations are observed when V
IN
is close to OV.
VDD
UV
OV
VEE
4
SENSE GATE
RAMP
-48V
Cload
+5V
HV311
8
3
2
COM
1
GND
Optocoupler
R4
12.5m
R1
487k
R2
6.81k
R3
9.76k
Q1
IRF530
C1
10nF
5
7
6
DC/DC
PWM
CONVERTER
PWRGD
ENABLE
Rload
Note: capacitor may be needed to slow PWRGD dv/dt if
oscillations are observed when V
IN
is close to OV.
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| HV312 | Sequencing Hotswap Controllers |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HV311DB2 | 功能描述:電源管理IC開發(fā)工具 HV311 Demo Brd RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
| HV311LG | 功能描述:熱插拔功率分布 Active Low RoHS:否 制造商:Texas Instruments 產(chǎn)品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube |
| HV311LG-G | 功能描述:熱插拔功率分布 Active Low RoHS:否 制造商:Texas Instruments 產(chǎn)品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube |
| HV311LG-M908 | 功能描述:熱插拔功率分布 -10 to -90V Activ Lw RoHS:否 制造商:Texas Instruments 產(chǎn)品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube |
| HV311LG-M908-G | 功能描述:熱插拔功率分布 -10 to -90V Activ Lw RoHS:否 制造商:Texas Instruments 產(chǎn)品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube |
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