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參數(shù)資料
| 型號： | LTC2924CGN |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 電源管理 |
| 英文描述： | Quad Power Supply Sequencer |
| 中文描述： | 4-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO16 |
| 封裝： | 0.150 INCH, PLASTIC, SSOP-16 |
| 文件頁數(shù)： | 9/16頁 |
| 文件大?。?/td> | 190K |
| 代理商： | LTC2924CGN |
LTC2924
9
2924f
Up to five supplies can be sequenced to a sixth master
supply by a single LTC2924
(Figure 4). The turn on of the
first power supply is sensed by the ON pin. Power supplies
two through five are enabled by the OUT1 through OUT4
pins, and their turn on sensed by the IN1 through IN4 pins
respectively. The last power supply is enabled by the
DONE pin, which is generally connected through an in-
verter. This application is used where power supplies are
sequentially sequenced on and the turn off is simulta-
neous. Multiple LTC2924s can be cascaded to facilitate
sequencing of eight or more power supplies. See the
Cascading Multiple LTC2924s section.
Selecting the Hysteresis Current and IN Pin Feedback
Resistors
The IN1-IN4 pins are connected to a sequenced power
supply with a resistive divider. The resistors are calculated
by first selecting a hysteresis current, I
HYS
, and calculating
R
HYS
:
V
I
HYS
For each sequenced power supply, choose a voltage when
the power supply is considered to be On during a Power On
R
A
I
A
HYS
HYS
=
μ
≤
≤
μ
0 5
.
;0 5
50
Figure 4. Six Power Supply Sequencer Block Diagram
OUT1
OUT2
OUT3
OUT4
DONE
FAULT
ON
IN1
IN2
IN3
IN4
LTC2924
V
CC
GND
2924 F04
SHDN
V
OUT
PS1
SHDN
V
OUT
PS2
SHDN
V
OUT
PS3
SHDN
V
OUT
PS4
SHDN
V
OUT
PS5
SHDN
*V
EARLY MUST BE ON BEFORE
SEQUENCING SUPPLIES
V
OUT
PS6
TURN OFF
V
CC
EARLY*
SYSTEM
CONTROLLER
APPLICATIOU
W
U
U
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LTC2924CGN#PBF | 功能描述:IC POWER SUPPLY SEQUENCER 16SSOP 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) |
| LTC2924CGN#TRPBF | 功能描述:IC POWER SUPPLY SEQUENCER 16SSOP 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) |
| LTC2924CGNPBF | 制造商:Linear Technology 功能描述:Power Supply On/Off Sequencer LTC2924CGN |
| LTC2924IGN | 制造商:Linear Technology 功能描述:Volt Supervisor Sequencer 3V to 6V 16-Pin SSOP N |
| LTC2924IGN#PBF | 功能描述:IC POWER SUPPLY SEQUENCER 16SSOP 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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