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| 型号： | ADM1088AKS-REEL7 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 1/16页 |
| 文件大小： | 0K |
| 描述： | IC SIMPLE SEQUENCER P-P SC70-6 |
| 标准包装： | 1 |
| 系列： | Simple Sequencers® |
| 类型： | 序列发生器 |
| 监视电压数目： | 1 |
| 输出： | 推挽式，图腾柱 |
| 复位： | 低有效 |
| 复位超时： | 可调节/可选择 |
| 电压 - 阀值： | 可调节/可选择 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 6-TSSOP，SC-88，SOT-363 |
| 供应商设备封装： | SC-70-6 |
| 包装： | 剪切带 (CT) |
| 其它名称： | ADM1088AKSREEL7CT |
Simple Sequencers ? in 6-Lead SC70
ADM1085/ADM1086/ADM1087/ADM1088
FEATURES
Provide programmable time delays between enable
signals
Can be cascaded with power modules for multiple
supply sequencing
FUNCTIONAL BLOCK DIAGRAMS
V CC
ADM1085/ADM1086
Power supply monitoring from 0.6 V
Output stages
V IN
0.6V
CAPACITOR
ADJUSTABLE
DELAY
ENOUT
High voltage (up to 22 V) open-drain output
(ADM1085/ADM1087)
Push-pull output (ADM1086/ADM1088)
Capacitor-adjustable time delays
GND
CEXT
ENIN
High voltage (up to 22 V) enable and V IN inputs
Low power consumption (15 μA)
Specified over –40°C to +125°C temperature range
ADM1087/ADM1088
V CC
6-lead SC70 package
APPLICATIONS
V IN
0.6V
CAPACITOR
ADJUSTABLE
DELAY
ENOUT
Desktop/notebook computers, servers
Low power portable equipment
Routers
Base stations
GND
CEXT
Figure 1.
ENIN
Line cards
Graphics cards
GENERAL DESCRIPTION
The ADM1085/ADM1086/ADM1087/ADM1088 are simple
sequencing circuits that provide a time delay between the
enabling of voltage regulators and/or dc-dc converters at power-
up in multiple supply systems. When the output voltage of the
first power module reaches a preset threshold, a time delay is
initiated before an enable signal allows subsequent regulators to
power up. Any number of these devices can be cascaded with
regulators to allow sequencing of multiple power supplies.
Threshold levels can be set with a pair of external resistors in a
All four models have a dedicated enable input pin that allows
the output signal to the regulator to be controlled externally.
This is an active high input (ENIN) f or the ADM1085 and
ADM1086, and an active low input (ENIN) for the ADM1087
and ADM1088.
The Simple Sequencers are specified over the extended
?40°C to +125°C temperature range. With low current
consumption of 15 μA (typical) and 6-lead SC70 packaging,
the parts are suitable for low-power portable applications.
voltage divider configuration. With appropriate resistor values,
the threshold can be adjusted to monitor voltages as low as 0.6 V.
Table 1. Selection Table
Output Stage
The ADM1086 and ADM1088 have push-pull output stages,
Part No.
Enable Input
ENOUT
ENOUT
with active high (ENOUT) and active low (ENOUT) logic
outputs, respectively. The ADM1085 has an active-high
( ENOUT ) logic output; the ADM1087 has an active-low
(ENOUT) output. Both the ADM1085 and ADM1087 have
ADM1085
ADM1086
ADM1087
ENIN
ENIN
ENIN
Open-drain
Open-drain
Push-pull
open-drain output stages that can be pulled up to voltage levels
as high as 22 V through an external resistor. This level-shifting
ADM1088
ENIN
Push-pull
property ensures compatibility with enable input logic levels of
different regulators and converters.
Rev. A
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarks and registered trademarks are the property of their respective owners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700 www.analog.com
Fax: 781.461.3113 ?2006 Analog Devices, Inc. All rights reserved.
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相关代理商/技术参数 |
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| ADM1088AKS-U1 | 制造商:Analog Devices 功能描述:- Bulk |
| ADM1088AKSZ-REEL7 | 制造商:AD 制造商全称:Analog Devices 功能描述:Simple Sequencers in 6-Lead SC7 |
| ADM1166 | 制造商:AD 制造商全称:Analog Devices 功能描述:Super Sequencer with Margining Control and Nonvolatile Fault Recording |
| ADM1166ACPZ | 功能描述:IC SEQUENCER/SUPERVISOR 40LFCSP RoHS:是 类别:集成电路 (IC) >> PMIC - 电源控制器，监视器 系列:Super Sequencer® 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:- 应用:多相控制器 输入电压:- 电源电压:9 V ~ 14 V 电流 - 电源:- 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:40-WFQFN 裸露焊盘 供应商设备封装:40-TQFN-EP（5x5） 包装:带卷 (TR) |
| ADM1166ACPZ-REEL | 功能描述:IC SEQUENCER/SUPERVISOR 40LFCSP RoHS:是 类别:集成电路 (IC) >> PMIC - 电源控制器，监视器 系列:Super Sequencer® 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:- 应用:多相控制器 输入电压:- 电源电压:9 V ~ 14 V 电流 - 电源:- 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:40-WFQFN 裸露焊盘 供应商设备封装:40-TQFN-EP（5x5） 包装:带卷 (TR) |
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