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參數(shù)資料
| 型號(hào)： | HV311LG |
| 廠商： | SUPERTEX INC |
| 元件分類： | 電源管理 |
| 英文描述： | Hotswap, Controllers with Circuit Breaker |
| 中文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 |
| 封裝： | SOIC-8 |
| 文件頁數(shù)： | 19/21頁 |
| 文件大?。?/td> | 664K |
| 代理商： | HV311LG |
19
HV301/HV311
Application Information cont’d.
Extending Circuit Breaker Delay
Connecting a resistor in series with the SENSE pin and a
capacitor between the SENSE and V
pins as shown in the
following diagram may be used to extend the Circuit Breaker
delay time beyond the 5
μ
s internally set delay time (
Application
Circuit 15
).
The time delay achievable by this method is limited since this
Application Circuit 15
delay circuit will also effect the current control feedback loop and
will result in a current overshoot during the external pass device
turn on transition to current limit. If the time delay required for the
Circuit Breaker causes excessive current overshoot during the
turn on transition then the following circuit may be used, where
the RC filter is switched on after the completion of the current
limit control function of the hotswap controller.
VDD
UV
OV
VEE
4
SENSE GATE
RAMP
-48V
Cload
+5V
HV301/
HV311
8
3
2
COM
1
GND
C2
R5
DC/DC
PWM
CONVERTER
PWRGD / PWRGD
ENABLE/ ENABLE
R4
12.5m
R1
487k
R2
6.81k
R3
9.76k
Q1
IRF530
5
7
6
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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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 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 |
| HV311LG-P031 | 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-P031-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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