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ISL8723IRZ Datasheet

  • ISL8723IRZ

  • Intersil Corporation [Power Sequencing Controllers]

  • INTERSIL   INTERSIL

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ISL8723, ISL8724
Data Sheet
December 21, 2006
FN6413.0
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 鈥渟equence completed鈥?/div>
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
鈥?Enables arbitrary turn-on and turn-off sequencing of up to
four power supplies (0.7V to 5V)
鈥?Operates from 2.5V to 5V supply voltage
鈥?Supplies V
DD
+5.3V of charge pumped gate drive
鈥?Adjustable voltage slew rate for each rail
鈥?Multiple sequencers can be easily daisy-chained to
sequence an infinite number of independent voltages
鈥?Glitch immunity
鈥?Under voltage lockout for each monitored supply voltage
鈥?30碌A(chǔ) Sleep State (ISL8723)
鈥?Active high (ISL8723) or low (ISL8724) ENABLE# input
鈥?Pb-free plus anneal available (RoHS compliant) QFN
Package
Applications
鈥?Graphics cards
鈥?FPGA/ASIC/microprocessor/PowerPC supply sequencing
鈥?Network Routers
鈥?Telecommunications Systems
Ordering Information
PART NUMBER
ISL8723IRZ (Note)
ISL8724IRZ (Note)
TEMP.
RANGE
PART
(擄C)
MARKING
8723IRZ
8724IRZ
PACKAGE
PKG.
DWG. #
Pinout
ISL8723, ISL8724
(24 LD QFN)
TOP VIEW
DLY_ON_A
SYSRST#
UVLO_A
20
RESET#
-40 to +85 24 Ld 4x4 QFN L24.4x4
(Pb-free)
L24.4x4
-40 to +85 24 Ld 4x4 QFN L24.4x4
(Pb-free)
L24.4x4
Tape & Reel
ENABLE/
ENABLE#
GATE_A
DLY_OFF_C
DLY_OFF_D
GATE_B
GATE_C
1
2
3
VDD
ISL8723IRZ-T (Note) 8723IRZ
ISL8724IRZ-T (Note) 8724IRZ
ISL8723EVAL1
24
23
22
21
19
18 DLY_OFF_A
17 UVLO_C
16 DLY_ON_C
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.
4mmx4mm
4
5
6
7
GATE_D
8
DLY_ON_B
9
NC
10
GND
11
NC
12
UVLO_B
15 DLY_ON_D
14 UVLO_D
13 DLY_OFF_B
1
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.
NC

ISL8723IRZ PDF文件相關(guān)型號(hào)

ISL8724IRZ,ISL8724IRZ-T

ISL8723IRZ 產(chǎn)品屬性

  • Solutions for Industrial Control Applications

  • 75

  • 集成電路 (IC)

  • PMIC - 電源控制器，監(jiān)視器

  • -

  • 電源序列發(fā)生器

  • -

  • 2.5 V ~ 5 V

  • 480µA

  • -40°C ~ 85°C

  • 表面貼裝

  • 24-VFQFN 裸露焊盤

  • 24-QFN 裸露焊盤（4x4）

  • 管件

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