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参数资料
| 型号： | MAX5916UUI+ |
| 厂商： | Maxim Integrated |
| 文件页数： | 13/25页 |
| 文件大小： | 488K |
| 描述： | IC HOT-SWAP CTRLR DUAL 28-TSSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 50 |
| 类型： | 热交换控制器 |
| 应用： | PCI 2.2 服务器 |
| 内部开关： | 无 |
| 电源电压： | 10.8 V ~ 13.2 V |
| 工作温度： | 0°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 28-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 28-TSSOP |
| 包装： | 管件 |
channel outputs, auxiliary and main. A fault condition
occurs when the output voltage falls below the set
undervoltage threshold or the output current reaches the
overcurrent threshold. When a fault occurs, all supplies
of the affected channel are disabled after a time period
t
DELAY
. All outputs are automatically restarted after a
time equal to t
RESTART
. This reset is built into all devices.
Current Limits
All supplies are protected against output overcurrent or
short-circuit conditions. The MAX5915/MAX5915A and
MAX5916/MAX5916A employ a brickwall current limit
on the +3.3V and +5V supplies and a current-foldback
scheme on the ?2V and +3.3V auxiliary supplies.
Brickwall
A brickwall current limit protects the +3.3V and +5V
main supplies by limiting the load current. The external
sense resistors and the current-limit threshold set the
brickwall current limits. A fault occurs when the load
current reaches the brickwall limit. The main outputs
shut down after t
DELAY
if the fault remains. The brick-
wall feature limits inrush current caused by positive
supply voltage steps.
Foldback
The ?2V and +3.3V auxiliary supplies employ an
internal current-foldback scheme. The MAX5915/
MAX5915A/MAX5916/MAX5916A gradually limit the load
current once the current-foldback threshold is reached. If
the overcurrent condition lasts longer than a fast tran-
sient, the output current is reduced to the foldback cur-
rent limit and remains at that level for t
DELAY
unless the
overcurrent condition is cleared. See the Typical
Operating Characteristics.
Dual PCI 2.2 Hot-Swap Controllers
______________________________________________________________________________________ 13
t
START
ON_
+12VIN
3.3VAUXIN
PGOOD_
TIMING NOT TO SCALE
AUXON_
+12V
UVLO THRESHOLD
3.3VAUX UVLO THRESHOLD
+12VO_
5VO_
3.3VO_
3.3VAUXO_
-12VO_
Figure 1. Startup Waveforms
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX5916UUI+ | 功能描述:热插拔功率分布 Dual PCI 2.2 Hot Swap Controller 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 |
| MAX5916UUI+T | 功能描述:热插拔功率分布 Dual PCI 2.2 Hot Swap Controller 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 |
| MAX5917AESE | 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 |
| MAX5917AESE+ | 功能描述:热插拔功率分布 65V Hot-Swap Controller 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 |
| MAX5917AESE+T | 功能描述:热插拔功率分布 65V Hot-Swap Controller 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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