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| 型号： | MAX5954LETX+T |
| 厂商： | Maxim Integrated |
| 文件页数： | 2/22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： | 2,500 |
| 类型： | 热交换控制器 |
| 应用： | 通用型，PCI Express? |
| 内部开关： | 无 |
| 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： | 带卷 (TR) |
Single PCI Express, Hot-Plug
Controller
2 _______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
(All voltages referenced to GND, unless otherwise noted.)
12VIN......................................................................-0.3V to +14V
12G............................................................-0.3V to (V
12VIN
+ 6V)
12S, 12S-, 3.3G ......................................-0.3V to (V
12VIN
+ 0.3V)
3.3VAUXIN, ON, FAULT ..........................................-0.3V to +6V
PWRGD ....................................................................-0.3V to +6V
PGND ....................................................................-0.3V to +0.3V
All Other Pins to GND......................-0.3V to (V
3.3VAUXIN
+ 0.3V)
Continuous Power Dissipation (T
A
= +70癈)
36-Pin Thin QFN (derate 26.3mW/癈 above +70癈).....2.105W
Operating Temperature Range ...........................-40癈 to +85癈
Junction Temperature......................................................+150癈
Storage Temperature Range.............................-65癈 to +150癈
Lead Temperature (soldering, 10s).................................+300癈
ELECTRICAL CHARACTERISTICS
(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
YMB L
CONDITIONS
MIN
TYP
MAX
NIT
12V SUPPLY
12V Supply Voltage Range
V
12VIN
10.8
12
13.2
V
V
12VIN
rising
9.5
10
10.5
12VIN Undervoltage Lockout
V
12UVLO
Hysteresis
0.1
V
12VIN Supply Current
I
12VIN
V
12VIN
= 13.2V
0.5
1
mA
12VIN CONTROL
12VIN Current-Limit
hreshold (V
12S+
- V
12S-
)
V
12ILIM
49
54
59
mV
12G Gate Charge Current
I
12G_CHG
V
12G
= GND
4
5
6
礎
Normal turn-off, ON = GND, V
12G
= 2V
50
150
250
礎
12G Gate Discharge Current
I
12G_DIS
O utp ut shor
t- ci r cui t cond i ti on, str ong g
ate p ul l d ow n
to r eg ul ati on, V
1 2V IN
-
V
1 2S _
e 1V , V
1 2G_
= 5V
50
120
180
mA
12G Gate High Voltage
(V
12G
- V
12VIN
)
V
12GH
I
12G
= 1礎
4.8
5.3
5.8
V
12G Threshold Voltage For
WRGD Assertion
V
PGTH12
Referred to V
12VIN
, I
12G_
= 1礎 (Note 2)
3.0
4
4.8
V
12S- Input Bias Current
1
礎
12S+ Input Bias Current
20
60
礎
.3V SUPPLY
.3V Supply Voltage Range
V
3.3S+
3.0
3.3
3.6
V
3.3S+ rising
2.52
2.65
2.78
V
Undervoltage Lockout
Note 3)
Hysteresis
30
mV
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