参数资料
型号: MAX5954LETX+
厂商: Maxim Integrated
文件页数: 4/22页
文件大小: 1027K
描述: IC PCI EXP/HOT-PLUG CTRLR 36TQFN
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: 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: 36-WFQFN 裸露焊盘
供应商设备封装: 36-TQFN 裸露焊盘(6x6)
包装: 管件
Single PCI Express, Hot-Plug
Controller
4  _______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
(V
12VIN
= V
12S-
= V
12S+
= 12V, V
3.3S+
= V
3.3S-
= V
3.3VAUXIN
= V
ON
= V
AUXON
= V
FON
= 3.3V, PWRGD = FAULT = PORADJ = TIM =
OUTPUT = 12G = 3.3G = OPEN, INPUT = PRES-DET = PGND = GND, T
A
= -40癈 to +85癈, unless otherwise noted. Typical values
are at T
A
= +25癈.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
NIT
RES-DET High-to-Low
eglitch Time
t
DEG
3
5
7
ms
PORADJ = open
90
160
250
R
PORADJ
 = 20k&
35
55
75
R
PORADJ
 = 100k&
145
265
380
WRGD Power-On Reset
ime (Note 2)
t
POR_HL
R
PORADJ
 = 200k&
570
ms
WRGD Low-to-High Deglitch
ime
t
POR_LH
4
Sinking 2mA
0.1
WRGD, FAULT Output Low
oltage
Sinking 30mA
0.7
V
WRGD, FAULT Output-High
eakage Current
V
PWRGD
= V
FAULT
 = 5.5V
1
TIM = open
5.5
11
17.0
R
TIM
 = 15k&
1.4
2.6
3.8
R
TIM
 = 120k&
12
22
32
AULT Timeout
t
FAULT
R
TIM
 = 300k&
59
ms
AULT Timeout During
tartup
t
SU
2 x t
FAULT
ms
utorestart Delay Time
t
RESTART
64 x t
FAULT
ms
ault Reset Minimum Pulse
idth
t
RESET
(Note 4)
100
h  rm  l-  h
wn Thr   h  l
T
SD
T
J
 rising
+150
hermal-Shutdown Threshold
ysteresis
20
UTPUT Debounce Time
t
DBC
2.6
4.4
6.2
ms
UTPUT High Voltage
Sourcing 2mA
V
3.3VAUXIN
- 0.3
V
3.3 V AU X IN
V
UTPUT Low Voltage
Sinking 2mA
0.4
V
Note 1: 100% production tested at T
A
= +25癈. Parameters over temperature are guaranteed by design.
Note 2: PWRGD asserts a time t
POR_HL
after V
PGTH12
, V
PGTH3.3
, and V
PGTH3.3AUX
conditions are met.
Note 3: The UVLO for the 3.3V supply is sensed at 3.3S+.
Note 4: This is the time that ON or AUXON must stay low when resetting a fault condition.
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