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参数资料
| 型号： | ADM1087 |
| 厂商： | Analog Devices, Inc. |
| 英文描述： | Simple Sequencers in 6-Lead SC70 |
| 中文描述： | 简单排序6引脚SC70 |
| 文件页数： | 14/16页 |
| 文件大小： | 299K |
| 代理商： | ADM1087 |
ADM1085/ADM1086/ADM1087/ADM1088
QUAD-SUPPLY POWER GOOD INDICATOR
The enable output of the simple sequencers is equivalent to an
AND function of V
IN
and ENIN. ENOUT is high only when the
voltage at V
IN
is above the threshold and the enable input
(ENIN) is high as well. Although ENIN is a digital input, it can
tolerate voltages as high as 22 V and can detect if a supply is
present. Therefore, a simple sequencer can monitor two supplies
and assert what can be interpreted as a Power Good signal
when both supplies are present. The outputs of two ADM1085s
can be wire-ANDed together to make a quad-supply Power
Good indicator.
Rev. 0 | Page 14 of 16
0
ADM1085
ENOUT
3.3V
3.3V
ENIN
V
IN
9V
5V
ADM1085
ENOUT
3.3V
ENIN
V
IN
2.5V
1.8V
POWER_GOOD
Figure 30. Quad-Supply Power Good Indicator
SEQUENCING WITH FET SWITCHES
The open-drain outputs of the ADM1085 and ADM1087 can
drive external FET transistors, which can switch on power-
supply rails. All that is needed is a pull-up resistor to a voltage
source that is high enough to turn on the FET.
0
ADM1085
ENOUT
3.3V
12V
ENIN
CEXT
V
IN
2.5V
Figure 31. Sequencing with a FET Switch
相关PDF资料 |
PDF描述 |
|---|---|
| ADM1087AKS-REEL7 | Simple Sequencers in 6-Lead SC70 |
| ADM1088 | Simple Sequencers in 6-Lead SC70 |
| ADM1088AKS-REEL7 | Simple Sequencers in 6-Lead SC70 |
| ADM1172 | 2.7 V to 16.5 V Hot Swap Controller with Power-Fail Comparator |
| ADM1172-1AUJZ-RL7 | 2.7 V to 16.5 V Hot Swap Controller with Power-Fail Comparator |
相关代理商/技术参数 |
参数描述 |
|---|---|
| ADM1087AKS-REEL7 | 功能描述:IC SIMPLE SEQUENCER OD SC70-6 RoHS:否 类别:集成电路 (IC) >> PMIC - 监控器 系列:Simple Sequencers® 标准包装:1 系列:- 类型:简单复位/加电复位 监视电压数目:1 输出:开路漏极或开路集电极 复位:低有效 复位超时:标准传输延迟为 60 µs 电压 - 阀值:3V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:SC-74A，SOT-753 供应商设备封装:SOT-23-5 包装:Digi-Reel® 其它名称:LM8364BALMF30DKR |
| ADM1087AKS-U1 | 制造商:Analog Devices 功能描述:- Bulk |
| ADM1087AKSZ-REEL7 | 功能描述:IC SIMPLE SEQUENCER OD SC70-6 RoHS:是 类别:集成电路 (IC) >> PMIC - 监控器 系列:Simple Sequencers® 标准包装:100 系列:- 类型:简单复位/加电复位 监视电压数目:1 输出:开路漏极，开路漏极 复位:高有效/低有效 复位超时:最小为 250 ms 电压 - 阀值:4.37V，4.62V 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:8-SOIC（0.154"，3.90mm 宽） 供应商设备封装:8-SOIC 包装:管件 产品目录页面:1337 (CN2011-ZH PDF) |
| ADM1088 | 制造商:AD 制造商全称:Analog Devices 功能描述:Simple Sequencers in 6-Lead SC70 |
| ADM1088AKS | 制造商:Analog Devices 功能描述: |
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