參數(shù)資料
型號(hào)： ADM1088AKS-REEL7
廠商： ANALOG DEVICES INC
元件分類： 電源管理
英文描述： Simple Sequencers in 6-Lead SC70
中文描述： 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO6
封裝： MO-203AB, SC-70, 6 PIN
文件頁(yè)數(shù)： 11/16頁(yè)
文件大?。?/td> 299K
代理商： ADM1088AKS-REEL7
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
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ADM1088AKS-U1 制造商:Analog Devices 功能描述:- Bulk
ADM1088AKSZ-REEL7 制造商:AD 制造商全稱:Analog Devices 功能描述:Simple Sequencers in 6-Lead SC7
ADM1166 制造商:AD 制造商全稱: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 類別:集成電路 (IC) >> PMIC - 電源控制器，監(jiān)視器 系列:Super Sequencer® 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 應(yīng)用:多相控制器 輸入電壓:- 電源電壓:9 V ~ 14 V 電流 - 電源:- 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:40-WFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:40-TQFN-EP（5x5） 包裝:帶卷 (TR)
ADM1166ACPZ-REEL 功能描述:IC SEQUENCER/SUPERVISOR 40LFCSP RoHS:是 類別:集成電路 (IC) >> PMIC - 電源控制器，監(jiān)視器 系列:Super Sequencer® 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 應(yīng)用:多相控制器 輸入電壓:- 電源電壓:9 V ~ 14 V 電流 - 電源:- 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:40-WFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:40-TQFN-EP（5x5） 包裝:帶卷 (TR)
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