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MAX8533EUB 参数 Datasheet PDF下载

MAX8533EUB图片预览
型号: MAX8533EUB
PDF下载: 下载PDF文件 查看货源
内容描述: 最小,最可靠, 12V , Infiniband-标准热插拔控制器 [Smallest, Most Reliable, 12V, Infiniband- Compliant Hot-Swap Controller]
分类和应用: 控制器
文件页数/大小: 10 页 / 240 K
品牌: MAXIM [ MAXIM INTEGRATED PRODUCTS ]
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19-2849; Rev 0; 4/03
Smallest, Most Reliable, 12V, Infiniband-
Compliant Hot-Swap Controller
General Description
The MAX8533 is a single-port, 12V, Infiniband
TM
-compli-
ant (IB) versatile hot-swap controller. The device can be
implemented in both IB Class I (nonisolated) and Class II
(isolated) power-topology applications. Additionally, the
MAX8533 can be used as a reliable power controller on
hot-swappable blade servers, RAID cards, and network
switches or routers that are powered from a 12V bus.
The MAX8533 integrates several features that allow reli-
able insertion and removal of the circuit card, as well as
real-time monitoring of abnormal occurrences. The
MAX8533 allows for an adjustable soft-start ramp during
turn-on of the input voltage, while providing overcurrent
protection. It also provides accurate and consistent cur-
rent-regulated outputs for a programmable period of time
to latch off and soft-start in the presence of overcurrent
conditions (OC). Additionally, it provides a second level
of severe overcurrent (SOC) protection by responding to
a dead short in 100ns. The MAX8533 also includes
adjustable overvoltage protection.
The MAX8533 incorporates undervoltage lockout
(UVLO) and a power-good (POK) signal to the DC-to-
DC converters to confirm the status of output voltage
rails during operation. Two enable inputs EN (logic
enable) and LPEN (local power enable) provide flexible
sequencing. The MAX8533 is specified across the
extended temperature range and has an absolute maxi-
mum rating of 16V to withstand inductive kickback dur-
ing board removal.
The MAX8533 is available in the space-saving 10-pin
µMAX package.
Features
o
12V Hot-Swap Controller for 25W or 50W
Infiniband Ports
o
Programmable Overcurrent Protection Regulation
Level
o
EN and LPEN Inputs for Flexible Sequencing
o
Power-Good Signal
o
16V Absolute Maximum Rating Withstands
Inductive Kickbacks
o
Soft-Start Overcurrent Protection During Turn-On
o
Timed Current Regulation Period (Adjustable)
o
100ns IC Response Time to Output Dead Short
o
Adjustable Overvoltage Protection
o
Undervoltage Lockout
o
Adjustable Turn-On Ramp
MAX8533
Ordering Information
PART
MAX8533EUB
TEMP RANGE
-40°C to +85°C
PIN-PACKAGE
10 µMAX
Typical Operating Circuit
VB_OUT
Applications
12V Hot-Swap
Infiniband Bulk Power
Hot-Swap/Plug/Dock Power Management
Blade Servers
RAID
Network Routers and Switches
VBxEN
LPEN
VB_RET
BACKPLANE
VB_IN
INFINIBAND
MODULE
10V TO 14V
IN
EN
LPEN
ISET
GATE
OUT
OVP
MAX8533
V
IN
Pin Configuration appears at end of data sheet.
Infiniband is a trademark of Infiniband
SM
Trade Association.
CTIM
RET
POK
________________________________________________________________
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.