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參數(shù)資料
| 型號： | MAX5947CESA |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 電源管理 |
| 英文描述： | Positive High-Voltage, Hot-Swap Controllers |
| 中文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 |
| 封裝： | 0.150 INCH, MS012AA, SOIC-8 |
| 文件頁數(shù)： | 1/15頁 |
| 文件大?。?/td> | 269K |
| 代理商： | MAX5947CESA |
General Description
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
).
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).
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.
Applications
Hot Board Insertion
Electronic Circuit Breakers
Industrial High-Side Switch/Circuit Breakers
Network Routers and Switches
24V/48V Industrial/Alarm Systems
Features
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
Undervoltage Lockout (UVLO)
Overvoltage Protection
User-Programmable Supply Voltage
Power-Up Rate
M
Positive High-Voltage, Hot-Swap Controllers
________________________________________________________________
Maxim Integrated Products
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.
1
Ordering Information
19-3263; Rev 1; 7/04
Typical Application Circuit and Pin Configuration appear at
end of data sheet.
PART
TEMP RANGE
-40°C to +85°C
-40°C to +85°C
PIN-PACKAGE
8 SO
8 SO
MAX5933
_ESA*
MAX5947
_ESA*
*
Insert the desired suffix from the Selector Guide into the blank
to complete the part number.
PART
LATCHED
FAULT
PROTECTION
AUTORETRY
FAULT
PROTECTION
PWRGD
OUTPUT LOGIC
DUTY CYCLE
(%)
DEFAULT UVLO
(V)
SUPPLY
VOLTAGE
RANGE (V)
MAX5933A
MAX5933B
MAX5933C
MAX5933D
MAX5933E
MAX5933F
MAX5947A
MAX5947B
MAX5947C
Yes
—
Yes
—
—
—
Yes
—
—
—
Yes
—
Yes
Yes
Yes
—
Yes
Yes
High
High
Low
Low
High
Low
Low
High
Low
—
3.75
—
3.75
0.94
0.94
—
3.75
3.75
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
9 to 80
9 to 80
Selector Guide
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| MAX5940A | IEEE 802.3af PD Interface Controller For Power-Over-Ethernet |
| MAX5940B | IEEE 802.3af PD Interface Controller For Power-Over-Ethernet |
| MAX5940A-MAX5940B | Quadruple 2-Input Positive-NAND Buffers 14-CDIP -55 to 125 |
| MAX5940AESA | IEEE 802.3af PD Interface Controller For Power-Over-Ethernet |
| MAX5940BESA | IEEE 802.3af PD Interface Controller For Power-Over-Ethernet |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX5947CESA+ | 功能描述:熱插拔功率分布 Positive Hot-Swap Controller 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 |
| MAX5947CESA+T | 功能描述:熱插拔功率分布 Positive Hot-Swap Controller 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 |
| MAX5947CESA-T | 功能描述:熱插拔功率分布 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 |
| MAX5948AESA | 功能描述:熱插拔功率分布 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 |
| MAX5948AESA+ | 功能描述:熱插拔功率分布 48V- Hot-Swap Controller 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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