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參數(shù)資料
| 型號(hào)： | MAX5955BEEE+ |
| 廠商： | Maxim Integrated |
| 文件頁(yè)數(shù)： | 1/15頁(yè) |
| 文件大?。?/td> | 354K |
| 描述： | IC DUAL HOT-SWAP CTRLR 16-QSOP |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 100 |
| 類(lèi)型： | 熱交換控制器 |
| 應(yīng)用： | 通用 |
| 內(nèi)部開(kāi)關(guān)： | 無(wú) |
| 電源電壓： | 1 V ~ 13.2 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類(lèi)型： | 表面貼裝 |
| 封裝/外殼： | 16-SSOP（0.154"，3.90mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 16-QSOP |
| 包裝： | 管件 |
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General Description
The MAX5955 and MAX5956 are +1V to +13.2V dual
hot-swap controllers with independent on/off control for
complete protection of dual-supply systems. They allow
the safe insertion and removal of circuit cards into live
backplanes. The MAX5955 and MAX5956 operate
down to 1V provided one of the inputs is above 2.7V.
The discharged filter capacitors of the circuit card pro-
vide low impedance to the live backplane. High inrush
currents from the backplane to the circuit card can burn
up connectors and components, or momentarily collapse
the backplane power supply leading to a system reset.
The MAX5955 and MAX5956 hot-swap controllers pre-
vent such problems by gradually ramping up the output
voltage and regulating the current to a preset limit when
the board is plugged in, allowing the system to stabilize
safely. After the startup cycle is completed, two on-chip
comparators provide VariableSpeed/BiLevel" protection
against short-circuit and overcurrent faults, as well as
immunity against system noise and load transients. In the
event of a fault condition, the load is disconnected. The
MAX5955B and MAX5956B must be unlatched after a
fault, and the MAX5955A and MAX5956A automatically
restart after a fault.
The MAX5955 and MAX5956 integrate an on-board
charge pump to drive the gates of low-cost, external n-
channel MOSFETs. The devices offer integrated fea-
tures like startup current regulation and current glitch
protection to eliminate external timing resistors and
capacitors. These devices provide open-drain status
outputs, an adjustable startup timer, and adjustable
current limits. The MAX5955 provides output undervolt-
age/overvoltage protection for each channel, while the
MAX5956 provides undervoltage/overvoltage monitor-
ing for each channel.
The MAX5955 and MAX5956 are available in a space-
saving 16-pin QSOP package.
Applications
Features
o Safe Hot Swap for +1V to +13.2V Power Supplies
with V
IN1
or V
IN2
e 2.7V
o Independent On/Off Control for Each Channel
o Internal Charge Pumps Generate n-Channel
MOSFET Gate Drives
o Inrush Current Regulated at Startup
o Circuit-Breaker Function
o Adjustable Circuit Breaker/Current-Limit
Threshold from 25mV to 100mV
o VariableSpeed/BiLevel Circuit Breaker Response
o Autoretry or Latched Fault Management
o Status Outputs Indicate Fault/Safe Condition
o Output Undervoltage and Overvoltage Monitoring
or Protection
Low-Voltage, Dual Hot-Swap
Controllers with Independent On/Off Control
________________________________________________________________ Maxim Integrated Products 1
Ordering Information
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
PGOOD1
PGOOD2
ON2
IN2
SENSE2
GATE2
ON1
LIM2
MON2
TOP VIEW
MAX5955
MAX5956
QSOP
TIM
IN1
GND
SENSE1
GATE1
LIM1
MON1
Pin Configuration
19-3813; Rev 0; 9/05
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxims website at www.maxim-ic.com.
E
V
A
LU
A
T
IO
N
K
I
T
A
V
A
IL
A
B
LE
PART
TEMP RANGE
PIN-PACKAGE
MAX5955AEEE
-40癈 to +85癈
16 QSOP
MAX5955AEEE+
-40癈 to +85癈
16 QSOP
MAX5955AUEE
0癈 to +85癈
16 QSOP
MAX5955AUEE+
0癈 to +85癈
16 QSOP
MAX5955BEEE
-40癈 to +85癈
16 QSOP
MAX5955BEEE+
-40癈 to +85癈
16 QSOP
MAX5955BUEE
0癈 to +85癈
16 QSOP
MAX5955BUEE+
0癈 to +85癈
16 QSOP
Variable Speed/BiLevel is a trademark of Maxim Integrated
Products, Inc.
+Denotes lead-free package.
Ordering Information continued at end of data sheet.
Selector Guide and Typical Operating Circuit appear at end
of data sheet.
Base Station Line Cards
Network Switches,
Routers, Hubs
Solid-State Circuit
Breakers
RAID
Power-Supply Sequencing
Hot Plug-In Daughter
Cards
Portable Computer Device
Bays (Docking Stations)
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX5955BEEE+ | 功能描述:熱插拔功率分布 Dual 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 |
| MAX5955BEEE+T | 功能描述:熱插拔功率分布 Dual 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 |
| MAX5955BEEE-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 |
| MAX5955BUEE | 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 |
| MAX5955BUEE+ | 功能描述:熱插拔功率分布 Dual 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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