參數(shù)資料
型號(hào): MAX5946LETX+T
廠商: Maxim Integrated
文件頁(yè)數(shù): 4/23頁(yè)
文件大小: 1102K
描述: IC CNTRLR PCI EXP DL 36TQFN
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 2,500
類型: 熱交換控制器
應(yīng)用: 通用型,PCI Express?
內(nèi)部開(kāi)關(guān): 無(wú)
電源電壓: 3.3V,12V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 36-WFQFN 裸露焊盤(pán)
供應(yīng)商設(shè)備封裝: 36-TQFN 裸露焊盤(pán)(6x6)
包裝: 帶卷 (TR)
Dual 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
Deglitch 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 Time
t
POR_LH
4
Sinking 2mA
0.1
WRGD_, FAULT_ Output
Low Voltage
Sinking 30mA
0.7
V
WRGD_, FAULT_ Output-
High Leakage Current
V
PWRGD_
= V
FAULT_
 = 5.5V
1
礎(chǔ)
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
Fault Reset Minimum Pulse
idth (Note 4)
t
RESET
100
Thermal-Shutdown Threshold
T
SD
T
J
 rising
+150
hermal-Shutdown Threshold
Hysteresis
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 Volta  e
Sinkin   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 3.3SA+.
Note 4: This is the time that ON_ or AUXON_ must stay low when resetting a fault condition.
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