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參數(shù)資料
| 型號： | ISL8723IRZ |
| 廠商： | INTERSIL CORP |
| 元件分類： | 電源管理 |
| 英文描述： | Power Sequencing Controllers |
| 中文描述： | 4-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC24 |
| 封裝： | 4 X 4 MM, ROHS COMPLIANT, PLASTIC, QFN-24 |
| 文件頁數(shù)： | 14/15頁 |
| 文件大?。?/td> | 276K |
| 代理商： | ISL8723IRZ |
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FN6413.0
December 21, 2006
Application Implementations
Multiple Sequencer Implementations
In order to control the sequencing of more than 4 voltages in
applications where the integrity of these critical voltages
must be assured prior to sequencing, several of the ISL8723
or ISL8724 devices can configured together to accomplish
this.
Figure 23 shows a typical multi sequencer implementation,
note the common SYSRST# signal that asserts once all
monitored voltages are valid allowing the sequence to
initiate. The sequencing is straight forward across multiple
sequencers as all DLY_ON capacitors will simultaneously
start charging once all monitored voltages area valid and
~10ms after the common ENABLE input signal is delivered.
This allows the choice of capacitors to be related to each
other no different than using a single sequencer. When the
common enabling signal is deasserted this configuration will
then execute the turn-off sequence across all sequencers as
programmed by the DLY_OFF capacitor values.
With all the SYSRST# pins bused together once the on
sequence is complete simultaneous shutdown upon any
UVLO input failure is assured as the SYSRST# output will
pull low, simultaneously turning off all GATE outputs.
FIGURE 23. MULTIPLE ISL872X CONFIGURATION
ISL872X
ENABLE#
UVLO
G
A
T
E
POWER
SUPPLY
SYSRST#
RESET#
HIGH = POWER GOOD
ENABLE
ISL872X
ENABLE#
UVLO
G
A
T
E
SYSRST#
RESET#
HIGH = SEQUENCE COMPLETED
ISL8723, ISL8724
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| ISL8723IRZ-T | Power Sequencing Controllers |
| ISL8724 | Power Sequencing Controllers |
| ISL8724IRZ | Power Sequencing Controllers |
| ISL8724IRZ-T | Power Sequencing Controllers |
| ISL88015IH5Z-TK | 5 Ld Voltage Supervisors with Adjustable Power-On Reset, Dual Voltage Monitoring or Watchdog Timer Capability |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ISL8723IRZR5369 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Intersil Corporation 功能描述: |
| ISL8723IRZ-T | 功能描述:IC POWER SUPPLY SEQUENCER 24QFN RoHS:是 類別:集成電路 (IC) >> PMIC - 電源控制器，監(jiān)視器 系列:- 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) |
| ISL8723IRZ-TR5369 | 制造商:Intersil Corporation 功能描述: |
| ISL8724IRZ | 功能描述:IC POWER SUPPLY SEQUENCER 24QFN RoHS:是 類別:集成電路 (IC) >> PMIC - 電源控制器，監(jiān)視器 系列:- 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) |
| ISL8724IRZ-T | 功能描述:IC POWER SUPPLY SEQUENCER 24QFN RoHS:是 類別:集成電路 (IC) >> PMIC - 電源控制器，監(jiān)視器 系列:- 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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