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参数资料
| 型号： | MAX5913AEMH+T |
| 厂商： | Maxim Integrated |
| 文件页数： | 1/20页 |
| 文件大小： | 614K |
| 描述： | IC HOT SWAP CTLR QUAD 48V 44MQFP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 500 |
| 类型： | 热交换控制器 |
| 应用： | IP 电话，LAN 网络供电，网络路由器和交换机 |
| 内部开关： | 无 |
| 电源电压： | 35 V ~ 72 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 44-QFP |
| 供应商设备封装： | 44-MQFP（10x10） |
| 包装： | 带卷 (TR) |
General Description
The MAX5913A/MAX5914A are quadruple hot-swap con-
trollers. The MAX5913A/MAX5914A independently con-
trol four external n-channel switches to hot-swap system
loads from a single V
CC
supply line. The devices allow
the safe insertion and removal of power devices from live
network ports. The operating supply voltage range is
between +35V and +72V. The devices are intended for
applications in Power-Over-Media-Dependent Interface
(MDI), but are not limited to such usage.
The MAX5913A/MAX5914A feature an internal under-
voltage lockout (UVLO) function that prevents the FET
from turning on, if V
CC
does not exceed the default
value of +32V. The devices also feature a +12V relay
driver with 100mA current drive capable of driving low-
voltage +3.3V relays. The MAX5913A features an
active-low relay driver that sinks current when the relay
output is enabled. The MAX5914A features an active-
high relay driver output that sources 1mA to drive an
external FET relay driver when the relay output is
enabled. Control circuitry ensures the relays and the
FETs are off until V
CC
reaches the UVLO threshold. The
MAX5913A/MAX5914A use an external sense resistor
to enable all the internal current-sense functions.
The MAX5913A/MAX5914A feature a programmable
analog current-limit circuit. If the switch remains in current
limit for more than a programmable time, the n-channel
FET latches off and the supply can be restarted either by
autoretry or by an external command after the preset off-
time has elapsed.
The MAX5913A/MAX5914A are available in a 44-pin
MQFP package and are specified for the extended
-40癈 to +85癈 operating temperature range.
Applications
Power-Over-LAN
Power-Over-MDI
IP Phone Switches/Routers
Telecom Line Cards
Network Switches/Routers
Midspan Power-Over-MDI
Features
o Wide Operating Input Voltage Range:
+35V to +72V
o IEEE
?/DIV>
802.3af Compatible
o Four Independent Power Switch Controllers
o Open-Circuit Detector
o On-Board Charge Pumps to Drive External
n-Channel FETs
o Current Sense with External Resistor
o Foldback Current Limiting
o +32V Input Undervoltage Lockout
o On-Chip +12V, 100mA Voltage Relay Drivers
+48V Quad Hot-Swap Controllers For
Power-Over-LAN
________________________________________________________________ Maxim Integrated Products 1
RTRYEN
STATOUT
OCEN
DGND
V
CC
CSP1
DRAIN1
GATE1
OUT1
CSP2
DRAIN2
FAULT
STAT1
STAT2
STAT3
STAT4
CSP4
DRAIN4
OUT4
GATE4
CSP3
DRAIN3
1
2
3
4
5
6
7
8
9
10
11
33
32
31
30
29
28
27
26
25
24
23
MQFP
TOP VIEW
+
MAX5913A
MAX5914A
Pin Configuration
Ordering Information
19-3302; Rev 1; 1/11
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxims website at www.maxim-ic.com.
PART
TEMP RANGE
PIN-PACKAGE
MAX5913AEMH+
-40癈 to +85癈
44 MQFP
MAX5913AEMH+T
-40癈 to +85癈
44 MQFP
MAX5914AEMH+
-40癈 to +85癈
44 MQFP
MAX5914AEMH+T
-40癈 to +85癈
44 MQFP
Typical Operating Circuit appears at end of data sheet.
+Denotes a lead(Pb)-free/RoHS-compliant package.
T = Tape and reel.
IEEE is a registered service mark of the Institute of Electrical and
Electronics Engineers, Inc.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX5913EMH | 制造商:Maxim Integrated Products 功能描述:+48V QUAD HOT-SWAP CONTROLLERS FOR POWER-OVER - Rail/Tube |
| MAX5913EMH+ | 制造商:Maxim Integrated Products 功能描述:HOT SWAP CNTRLR 44MQFP - Rail/Tube |
| MAX5913EMH+T | 制造商:Maxim Integrated Products 功能描述:HOT SWAP CNTRLR 44MQFP - Tape and Reel |
| MAX5913EMH-T | 制造商:Maxim Integrated Products 功能描述:+48V QUAD HOT-SWAP CONTROLLERS FOR POWER-OVER - Tape and Reel |
| MAX5914AEMH | 功能描述:热插拔功率分布 RoHS:否 制造商:Texas Instruments 产品:Controllers & Switches 电流限制: 电源电压-最大:7 V 电源电压-最小:- 0.3 V 工作温度范围: 功率耗散: 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Tube |
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