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参数资料
| 型号： | LT1640LIN8 |
| 厂商： | Linear Technology |
| 文件页数： | 4/16页 |
| 文件大小： | 192K |
| 描述： | IC CONTRLR HOTSWAP NEGVOLT 8-DIP |
| 标准包装： | 50 |
| 类型： | 热交换控制器 |
| 应用： | 通用 |
| 内部开关： | 无 |
| 电源电压： | -10 V ~ -80 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 通孔 |
| 封装/外壳： | 8-DIP（0.300"，7.62mm） |
| 供应商设备封装： | 8-PDIP |
| 包装： | 管件 |
4
LT1640L/LT1640H
1640lhfb
TYPICAL PERFOR A CE CHARACTERISTICS
W
Gate Voltage vs Temperature
TEMPERATURE (癈)
12.0
13.0
14.0
15.0
12.5
13.5
14.5
25
0
75
1640 G04
100
50
25
50
TEMPERATURE (癈)
50
48
49
51
52
53
55
25
0
50
1640 G05
50
54
100
25
75
TEMPERATURE (癈)
50
48
47
46
45
44
43
42
41
40
75
1640 G06
25
100
50
25
0
V
GATE
= 0V
Gate Pull-Up Current
vs Temperature
Gate Pull-Down Current
vs Temperature
TEMPERATURE (癈)
50
49
52
55
75
1640 G07
46
43
40
25
0
25
50
100
V
GATE
= 2V
PWRGD Output Low Voltage
vs Temperature (LT1640L)
TEMPERATURE (癈)
50
0.3
0.4
0.5
75
1640 G08
0.2
0.1
0
25
25
0
50
100
I
OUT
= 1mA
TEMPERATURE (癈)
50
2
3
4
5
6
7
8
25
25
0
50
75
1 4
100
V
DRAIN
V
EE
> 2.4V
PWRGD Output Impedance
vs Temperature (LT1640H)
Circuit Breaker Trip Voltage
vs Temperature
pin which pulls the modules enable pin low, forcing it off.
When V
DRAIN
drops below V
PG
, the PWRGD sink current
is turned off and a 6.5k resistor is connected between
PWRGD and DRAIN, allowing the modules pull-up cur-
rent to pull the enable pin high and turn on the module.
OV
(Pin 2): Analog Overvoltage Input. When OV is pulled
above the 1.223V low to high threshold, an overvoltage
condition is detected and the GATE pin will be immediately
pulled low. The GATE pin will remain low until OV drops
below the 1.203V high to low threshold.
PIN FUNCTIONS
U
U
PWRGD/PWRGD (Pin 1): Power Good Output Pin. This pin
will toggle when V
DRAIN
is within V
PG
of V
EE
. This pin can
be connected directly to the enable pin of a power module.
When the DRAIN pin of the LT1640L is above V
EE
by more
than V
PG
, the PWRGD pin will be high impedance, allowing
the pull-up current of the modules enable pin to pull the
pin high and turn the module off. When V
DRAIN
drops
below V
PG
, the PWRGD pin sinks current to V
EE
, pulling
the enable pin low and turning on the module.
When the DRAIN pin of the LT1640H is above V
EE
by more
than V
PG
, the PWRGD pin will sink current to the DRAIN
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LT1640LIN8#PBF | 功能描述:IC CONTRLR HOTSWAP NEGVOLT 8-DIP RoHS:是 类别:集成电路 (IC) >> PMIC - 热交换 系列:- 产品培训模块:Obsolescence Mitigation Program 标准包装:100 系列:- 类型:热插拔开关 应用:通用 内部开关:是 电流限制:可调 电源电压:9 V ~ 13.2 V 工作温度:-40°C ~ 150°C 安装类型:表面贴装 封装/外壳:10-WFDFN 裸露焊盘 供应商设备封装:10-TDFN-EP（3x3） 包装:管件 |
| LT1640LIS8 | 制造商:Linear Technology 功能描述: 制造商:Linear Technology 功能描述:POWER CONTROL/MANAGEMENT, 8 Pin, Plastic, SOP |
| LT1640LIS8#PBF | 功能描述:IC CONTRLR HOTSWAP NEGVOLT 8SOIC RoHS:是 类别:集成电路 (IC) >> PMIC - 热交换 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:119 系列:- 类型:热交换控制器 应用:通用型，PCI Express? 内部开关:无 电流限制:- 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:托盘 产品目录页面:1423 (CN2011-ZH PDF) |
| LT1640LIS8#PBF | 制造商:Linear Technology 功能描述:Hot Swap Controller IC |
| LT1640LIS8#TR | 功能描述:IC CTRLR HOTSWAP NEG VOLT 8SOIC RoHS:否 类别:集成电路 (IC) >> PMIC - 热交换 系列:- 标准包装:50 系列:- 类型:热交换控制器 应用:-48V 远程电力系统，AdvancedTCA ? 系统，高可用性 内部开关:无 电流限制:可调 电源电压:11.5 V ~ 14.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:10-TFSOP，10-MSOP（0.118"，3.00mm 宽） 供应商设备封装:10-MSOP 包装:管件 |
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