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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： | 11/16页 |
| 文件大小： | 299K |
| 代理商： | ADM1087 |
ADM1085/ADM1086/ADM1087/ADM1088
APPLICATION INFORMATION
SEQUENCING CIRCUITS
The ADM1085/ADM1086/ADM1087/ADM1088 are
compatible with voltage regulators and dc-to-dc converters that
have active-high or active-low enable or shutdown inputs, with
a choice of open-drain or push-pull output stages. Figure 23 to
Figure 25 illustrate how each of the ADM1085/ADM1086/
ADM1087/ADM1088 simple sequencers can be used in
multiple-supply systems, depending on which regulators are
used and which output stage is preferred.
Rev. 0 | Page 11 of 16
In Figure 23, three ADM1085s are used to sequence four
supplies on power-up. Separate capacitors on the CEXT pins
determine the time delays between enabling of the 3.3 V, 2.5 V,
1.8 V, and 1.2 V supplies. Because the dc/dc converters and
ADM1085s are connected in cascade, and the output of any
converter is dependent on that of the previous one, an external
controller can disable all four supplies simultaneously by
disabling the first dc/dc converter in the chain.
For power-down sequencing, an external controller dictates
when the supplies are switched off by accessing the ENIN
inputs individually.
0
3.3V
DC/DC
IN
OUT
EN
ADM1085
V
CC
ENOUT
3.3V
ENIN
CEXT
V
IN
3.3V
2.5V
DC/DC
IN
OUT
EN
ADM1085
V
CC
ENOUT
3.3V
ENIN
CEXT
V
IN
3.3V
1.8V
DC/DC
IN
OUT
EN
ADM1085
V
CC
ENOUT
3.3V
ENIN
CEXT
V
IN
3.3V
1.2V
DC/DC
IN
OUT
EN
ENABLE
CONTROL
12V
t
EN1
t
EN2
t
EN3
EXTERNAL
DISABLE
12V
3.3V
2.5V
1.8V
1.2V
Figure 23. Typical ADM1085 Application Circuit
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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