参数资料
型号: MAX5960LECS+T
厂商: Maxim Integrated
文件页数: 17/25页
文件大小: 632K
描述: IC CTRLR HOT-PLUG QD 80-TQFP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 1,000
类型: 热交换控制器
应用: 通用型,PCI Express?
内部开关:
电源电压: 3.3V,12V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 80-TQFP
供应商设备封装: 80-TQFP(12x12)
包装: 带卷 (TR)
Quad PCI Express, Hot-Plug Controllers
______________________________________________________________________________________   17
Table 2. Control Logic Truth Table
*PRES-DET_ high-to-low transition has a 4ms delay (t
DEG
).
ON_
AUXON_
FON_
PRES-DET
12V_ AND 3.3V_
OUTPUTS
3.3VAUXO_AUXILIARY
OUTPUTS
X
X
Low
X
On
On
X
X
High
High
Off
Off
Low
Low
High
Low*
Off
Off
High
Low
High
Low*
On
Off
Low
High
High
Low*
Off
On
High
High
High
Low*
On
On
Figure 2. Power-Up Timing, No Fault
V
ON_,TH
ON_, AUXON_
PWRGD_
FAULT_
12G_, 3.3G_
12VO_, 3.3VO_
3.3VAUXO_
V
PGTH12
V
PGTH3.3
V
PGTH3.3AUX
3.3AUXIN
RISING
EDGE
PWRGD_ IS PULLED UP TO 3.3.
FAULT_ IS PULLED UP TO 3.3AUXIN.
t
POR_HL
Figure 3. 12V Power-Up Timing (Turn-On into Output
Overcurrent/Short Circuit)
FAULT_
3.3VAUXIN
RISING
EDGE
PWRGD_ IS PULLED UP TO 3.3VAUXO_.
FAULT_ IS PULLED UP TO 3.3VAUXIN.
A FAULT ON THE 3.3V OUTPUT OR 3.3VAUXO_ OUTPUT PRODUCES SIMILAR RESULTS.
V
ON_,TH
ON_
2 x t
FAULT
PWRGD_
12G_
12V OUTPUT
CURRENT
3.3VAUXO_
V
12ILIM,TH
R
SENSE
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