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MAX5947AESA+T

更新时间： 2024-11-23 13:10:39
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美信 - MAXIM 控制器
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MAX5947AESA+T 数据手册

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19-3263; Rev 1; 7/04  
Positive High-Voltage, Hot-Swap Controllers  
General Description  
Features  
The MAX5933A–MAX5933F/MAX5947A/B/C fully integrat-  
ed hot-swap controllers for +9V to +80V positive supply  
rails (MAX5947A/B/C), allow for the safe insertion and  
removal of circuit cards into live backplanes without caus-  
ing glitches on the backplane power-supply rail. The  
MAX5947B is pin- and function-compatible with the  
LT1641-2. The other devices offer added features such  
as a choice of active-high or active-low power-good out-  
puts (PWRGD/PWRGD), latched/autoretry fault manage-  
ment, and autoretry duty-cycle options of 3.75% or 0.94%  
(see the Selector Guide).  
♦ Pin- and Function-Compatible with the LT1641-2  
(MAX5947B)  
♦ Provides Safe Hot Swap for +9V to +80V Power-  
Supply Range (MAX5947A/B/C)  
♦ Safe Board Insertion and Removal from Live  
Backplanes  
♦ Latched/Autoretry Management  
♦ Active-Low or Active-High Power-Good Output  
♦ Programmable Foldback Current Limiting  
♦ High-Side Drive for an External N-Channel MOSFET  
♦ Built-In Thermal Shutdown  
The MAX5933A–MAX5933F are available with a default  
undervoltage lockout threshold of +31V and operate over  
a supply voltage range of +33V to +80V. The  
MAX5947A/B/C are available with a default undervoltage  
of +8.3V. All devices feature a programmable analog  
foldback current limit. If the device remains in current limit  
for more than a programmable time, the external  
n-channel MOSFET is either latched off (MAX5933A/  
MAX5933C/MAX5947A) or is set to automatically restart  
after a timeout delay (MAX5933B/MAX5933D/MAX5933E/  
MAX5933F/MAX5947B/MAX5947C).  
♦ Undervoltage Lockout (UVLO)  
♦ Overvoltage Protection  
♦ User-Programmable Supply Voltage  
Power-Up Rate  
Ordering Information  
The MAX5933_ and MAX5947_ operate in the extended  
temperature range of -40°C to +85°C. These devices are  
available in an 8-pin SO package.  
PART  
TEMP RANGE  
-40°C to +85°C  
-40°C to +85°C  
PIN-PACKAGE  
8 SO  
MAX5933_ESA*  
MAX5947_ESA*  
8 SO  
Applications  
Hot Board Insertion  
*Insert the desired suffix from the Selector Guide into the blank  
to complete the part number.  
Electronic Circuit Breakers  
Industrial High-Side Switch/Circuit Breakers  
Network Routers and Switches  
Typical Application Circuit and Pin Configuration appear at  
end of data sheet.  
24V/48V Industrial/Alarm Systems  
Selector Guide  
LATCHED  
FAULT  
PROTECTION  
AUTORETRY  
FAULT  
PROTECTION  
SUPPLY  
VOLTAGE  
RANGE (V)  
PWRGD  
OUTPUT LOGIC  
DUTY CYCLE  
(%)  
DEFAULT UVLO  
(V)  
PART  
MAX5933A  
MAX5933B  
MAX5933C  
MAX5933D  
MAX5933E  
MAX5933F  
MAX5947A  
MAX5947B  
MAX5947C  
Yes  
—
—
High  
High  
Low  
Low  
High  
Low  
Low  
High  
Low  
—
31  
31  
31  
31  
31  
31  
8.3  
8.3  
8.3  
33 to 80  
33 to 80  
33 to 80  
33 to 80  
33 to 80  
33 to 80  
9 to 80  
Yes  
—
3.75  
—
Yes  
—
Yes  
Yes  
Yes  
—
3.75  
0.94  
0.94  
—
—
—
Yes  
—
Yes  
Yes  
3.75  
3.75  
9 to 80  
—
9 to 80  
________________________________________________________________ Maxim Integrated Products  
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at  
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.  
1234567...15

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MAX5947AESA+T 替代型号

型号 品牌 替代类型 描述 数据表
MAX5947AESA+ MAXIM

完全替代

 Power Supply Support Circuit, Adjustable, 1 Channel, BICMOS, PDSO8, 0.150 INCH, MS012AA, S
MAX5947AESA-T MAXIM

类似代替

 Power Supply Support Circuit, Adjustable, 1 Channel, BICMOS, PDSO8, 0.150 INCH, MS012AA, S
MAX5947AESA MAXIM

类似代替

 Positive High-Voltage, Hot-Swap Controllers

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MAX5947BESA-T MAXIM

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 		Power Supply Support Circuit, Adjustable, 1 Channel, BICMOS, PDSO8, 0.150 INCH, MS012AA, S
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