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參數(shù)資料
| 型號： | MAX5905USA+T |
| 廠商： | Maxim Integrated |
| 文件頁數(shù)： | 1/24頁 |
| 文件大?。?/td> | 633K |
| 描述： | IC HOT-SWAP CTRLR DUAL 8-SOIC |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 類型： | 熱交換控制器 |
| 應(yīng)用： | 通用型，PCI Express? |
| 內(nèi)部開關(guān)： | 無 |
| 電源電壓： | 1 V ~ 13.2 V |
| 工作溫度： | 0°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-SOIC（0.154"，3.90mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 8-SOIC |
| 包裝： | 帶卷 (TR) |
General Description
The MAX5904MAX5909 dual hot-swap controllers
provide complete protection for dual-supply systems.
These devices hot swap two supplies ranging from +1V
to +13.2V, provided one supply is at or above 2.7V,
allowing the safe insertion and removal of circuit cards
into live backplanes.
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 col-
lapse the backplane power supply leading to a system
reset. The MAX5904 family of hot-swap controllers pre-
vents 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" protec-
tion 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 MAX5905/MAX5907/MAX5909 must be unlatched
after a fault, and the MAX5904/MAX5906/MAX5908 auto-
matically restart after a fault.
The MAX5904 family offers a variety of options to reduce
component count and design time. All devices integrate
an on-board charge pump to drive the gates of low-cost,
external n-channel MOSFETs. The devices offer integrat-
ed features like startup current regulation and current
glitch protection to eliminate external timing resistors and
capacitors. The MAX5906MAX5909 provide an open-
drain status output, an adjustable startup timer, an
adjustable current limit, an uncommitted comparator,
and output undervoltage/overvoltage monitoring.
The MAX5904/MAX5905 are available in 8-pin SO pack-
ages. The MAX5906MAX5909 are available in space-
saving 16-pin QSOP packages.
Applications
PCI-Express
?/DIV>
Applications
Basestation Line Cards
Network Switches or Routers
Solid-State Circuit Breaker
Power-Supply Sequencing
Hot Plug-In Daughter Cards
RAID
Features
f Safe Hot-Swap for +1V to +13.2V Power
Supplies
Requires One Input e 2.7V
f Low 25mV Default Current-Limit Threshold
f Inrush Current Regulated at Startup
f Circuit Breaker Function
f Adjustable Circuit Breaker/Current-Limit
Threshold
f VariableSpeed/BiLevel Circuit-Breaker Response
f Autoretry or Latched Fault Management
f On/Off Sequence Programming
f Status Output Indicates Fault/Safe Condition
f Output Undervoltage and Overvoltage Monitoring
and/or Protection
Low-Voltage, Dual Hot-Swap Controllers/Power
Sequencers
________________________________________________________________ Maxim Integrated Products 1
GATE2
ON
GND
1
2
8
7
IN2
SENSE2
SENSE1
GATE1
IN1
NARROW SO
TOP VIEW
3
4
6
5
MAX5904
MAX5905
Pin Configurations
Ordering Information
19-2238; Rev 3; 9/05
E
VA
L
U
A
TI
O
N
K
IT
A
V
AI
L
AB
L
E
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.
PART
TEMP RANGE
PIN-
PACKAGE
PKG
DE
MAX
4E A*
-40癈 to +85癈
8 SO
S8-4
MAX5904USA
0癈 to +85癈
8 SO
S8-4
MAX
E A*
-40癈 to +85癈
8 SO
S8-4
MAX5905USA
0癈 to +85癈
8 SO
S8-4
MAX
EEE*
-40癈 to +85癈
16 QSOP
E1 -1
MAX5906UEE
0癈 to +85癈
16 QSOP
E1 -1
MAX
7EEE*
-40癈 to +85癈
16 QSOP
E1 -1
MAX5907UEE
0癈 to +85癈
16 QSOP
E1 -1
MAX
EEE*
-40癈 to +85癈
16 QSOP
E1 -1
MAX5908UEE
0癈 to +85癈
16 QSOP
E1 -1
MAX
EEE*
-40癈 to +85癈
16 QSOP
E1 -1
MAX
EE
?/DIV>
+ ?/DIV>
1
P
E1 -1
Selector Guide and Typical Operating Circuits appear at end
of data sheet.
VariableSpeed/BiLevel is a trademark of Maxim Integrated
Products, Inc.
PCI-Express is a registered trademark of PCI-SIG Corp.
Pin Configurations continued at end of data sheet.
*Contact factory for availability.
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