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參數(shù)資料
| 型號(hào)： | ISL8724IRZ |
| 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(yè)數(shù)： | 1/15頁(yè) |
| 文件大?。?/td> | 276K |
| 代理商： | ISL8724IRZ |
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1
FN6413.0
ISL8723, ISL8724
Power Sequencing Controllers
The Intersil ISL8723 and ISL8724 are 4 channel sequencers
controlling the on and off sequence of voltages with under
voltage supply fault protection and a “sequence completed”
signal (RESET#). For larger systems, more than 4 voltages
can be sequenced by a simple connection of multiple IC's.
These sequencers use an integrated charge pump to drive 4
external low-cost N-channel MOSFET switch gates above
the IC bias voltage by 5.3V. These IC's can be biased from
and control any supply from 2.5V to 5V and additionally
monitor any voltage above 0.7V. Individual product
descriptions are below.
The four channel
ISL8723
(ENABLE input),
ISL8724
(ENABLE# input) offer the designer 4 voltage control when it
is required that all four rails are in minimal compliance prior
to turn on and that compliance must be maintained during
operation. The
ISL8723
has a low power standby mode
when it is disabled suitable for battery powered applications.
External resistors provide flexible voltage threshold
programming of monitored voltages. Delay and sequencing
timing are programmable by external capacitors for both
ramp up and ramp down.
Features
Enables arbitrary turn-on and turn-off sequencing of up to
four power supplies (0.7V to 5V)
Operates from 2.5V to 5V supply voltage
Supplies V
DD
+5.3V of charge pumped gate drive
Adjustable voltage slew rate for each rail
Multiple sequencers can be easily daisy-chained to
sequence an infinite number of independent voltages
Glitch immunity
Under voltage lockout for each monitored supply voltage
30μA Sleep State (
ISL8723
)
Active high (
ISL8723
) or low (
ISL8724
) ENABLE# input
Pb-free plus anneal available (RoHS compliant) QFN
Package
Applications
Graphics cards
FPGA/ASIC/microprocessor/PowerPC supply sequencing
Network Routers
Telecommunications Systems
Pinout
ISL8723, ISL8724
(24 LD QFN)
TOP VIEW
Ordering Information
PART NUMBER
PART
MARKING
TEMP.
RANGE
(°C)
PACKAGE
PKG.
DWG. #
ISL8723IRZ (Note)
8723IRZ
-40 to +85 24 Ld 4x4 QFN
(Pb-free)
L24.4x4
ISL8724IRZ (Note)
8724IRZ
L24.4x4
ISL8723IRZ-T (Note) 8723IRZ
-40 to +85 24 Ld 4x4 QFN
(Pb-free)
Tape & Reel
L24.4x4
ISL8724IRZ-T (Note) 8724IRZ
L24.4x4
ISL8723EVAL1
Evaluation Platform
NOTE: Intersil Pb-free plus anneal products employ special Pb-free
material sets; molding compounds/die attach materials and 100% matte
tin plate termination finish, which are RoHS compliant and compatible with
both SnPb and Pb-free soldering operations. Intersil Pb-free products are
MSL classified at Pb-free peak reflow temperatures that meet or exceed
the Pb-free requirements of IPC/JEDEC J STD-020.
1
2
3
4
5
6
18
17
16
15
14
13
24
23
22
21
20
19
7
8
9
10
11
12
4mmx4mm
ENABLE/
ENABLE#
GATE_A
DLY_OFF_C
DLY_OFF_D
GATE_B
GATE_C
G
D
N
G
N
U
DLY_OFF_B
UVLO_D
DLY_ON_D
DLY_ON_C
UVLO_C
DLY_OFF_A
N
U
D
S
V
R
Data Sheet
December 21, 2006
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774
|
Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright Intersil Americas Inc. 2006. All Rights Reserved.
All other trademarks mentioned are the property of their respective owners.
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| 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) |
| ISL88001/2/3EVAL1Z | 功能描述:EVAL BOARD 1 FOR ISL88001/2/3 RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評(píng)估演示板和套件 系列:* 標(biāo)準(zhǔn)包裝:1 系列:PCI Express® (PCIe) 主要目的:接口，收發(fā)器，PCI Express 嵌入式:- 已用 IC / 零件:DS80PCI800 主要屬性:- 次要屬性:- 已供物品:板 |
| ISL88001IE16Z-T | 功能描述:IC VOLT SUPERVISOR 1.58V SC-70 RoHS:是 類別:集成電路 (IC) >> PMIC - 監(jiān)控器 系列:- 標(biāo)準(zhǔn)包裝:50 系列:- 類型:簡(jiǎn)單復(fù)位/加電復(fù)位 監(jiān)視電壓數(shù)目:1 輸出:開路漏極或開路集電極 復(fù)位:低有效 復(fù)位超時(shí):最小為 130 ms 電壓 - 閥值:4.25V 工作溫度:-40°C ~ 85°C 安裝類型:通孔 封裝/外殼:8-DIP（0.300"，7.62mm） 供應(yīng)商設(shè)備封裝:8-PDIP 包裝:管件 |
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