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參數(shù)資料
| 型號： | ISL65426IRZA |
| 廠商： | INTERSIL CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 30V N-Channel PowerTrench MOSFET |
| 中文描述： | 6 A DUAL SWITCHING CONTROLLER, 1150 kHz SWITCHING FREQ-MAX, PQCC50 |
| 封裝： | 5 X 10 MM, ROHS COMPLIANT, PLASTIC, QFN-50 |
| 文件頁數(shù)： | 1/22頁 |
| 文件大小： | 741K |
| 代理商： | ISL65426IRZA |
1
ISL65426
6A Dual Synchronous Buck Regulator
with Integrated MOSFETs
The ISL65426 is a high efficiency dual output monolithic
synchronous buck converter operating over an input
voltage range of 2.375V to 5.5V. This single chip power
solution provides two output voltages which are selectable
or externally adjustable from 1V to 80% of the supply
voltage while delivering up to 6A of total output current. The
two PWMs are synchronized 180
°
out of phase reducing
the RMS input current and ripple voltage.
The ISL65426 switches at a fixed frequency of 1MHz and
utilizes current-mode control with integrated compensation
to minimize the size and number of external components
and provide excellent transient response. The internal
synchronous power switches are optimized for good
thermal performance, high efficiency, and eliminate the
need for an external Schottky diode.
A unique power block architecture allows partitioning of six
1A capable blocks to support one of four configuration
options. One master power block is associated with each
synchronous converter channel. Four floating slave power
blocks allow the user to assign them to either channel.
Proper external configuration of the power blocks is verified
internally prior to soft-start initialization.
Independent enable inputs allow for synchronization or
sequencing soft-start intervals of the two converter
channels. A third enable input allows additional sequencing
for multi-input bias supply designs. Individual power good
indicators (PG1, PG2) signal when output voltage is within
regulation window.
The ISL65426 integrates protection for both synchronous
buck regulator channels. The fault conditions include
overcurrent, undervoltage, and IC thermal monitor.
High integration contained in a thin Quad Flat No-lead
(QFN) package makes the ISL65426 an ideal choice to
power many of today’s small form factor applications. A
single chip solution for large scale digital ICs, like field
programmable gate arrays (FPGA), requiring separate core
and I/O voltages.
Features
High Efficiency: Up to 95%
Fixed Frequency: 1MHz
Operates From 2.375V to 5.5V Supply
±1% Reference
Flexible Output Voltage Options
- Programmable 2-Bit VID Input
- Adjustable Output From 0.6V to 4.0V
User-Partitioned Power Blocks
Ultra-Compact DC/DC Converter Design
PWMs Synchronized 180
°
Out of Phase
Independent Enable Inputs and System Enable
Stable All Ceramic Solutions
Excellent Dynamic Response
Independent Output Digital Soft-Start
Power Good Output Voltage Monitor
Short-Circuit and Thermal-Overload Protection
Overcurrent and Undervoltage Protection
Pb-Free Plus Anneal Available (RoHS Compliant)
Applications
FPGA, CPLD, DSP, and CPU Core and I/O Voltages
- Xilinx Spartan III
TM
, Virtex II
TM
,
Virtex II Pro
TM
,
Virtex 4
TM
- Altera Stratix
TM
,
Stratix II
TM
,
Cyclone
TM
,
Cyclone II
TM
- Actel Fusion
TM
,
LatticeSC
TM
, LatticeEC
TM
Low-Voltage, High-Density Distributed Power Systems
Point-of-Load Regulation
Distributed Power Systems
Set-Top Boxes
Ordering Information
PART
NUMBER
(Note)
ISL65426HRZ* ISL65426 HRZ -10 to +100 50 Ld 5x10
PART
MARKING
TEMP.
RANGE
(°C)
PACKAGE
(Pb-free)
PKG.
DWG. #
L50.5x10
QFN
ISL65426IRZA* ISL65426 IRZ
-40 to +85 50 Ld 5x10
QFN
L50.5x10
*Add “-T” suffix for tape and reel.
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.
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. 2006-2007. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
FN6340.2
Data Sheet
February 21, 2007
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| ISL65426MREP | Enhanced Product (EP) 6.0A Dual Synchronous Buck Regulator with Integrated MOSFETs |
| ISL65426 | 6A Dual Synchronous Buck Regulator with Integrated MOSFETs(帶集成MOSFETs的6A雙同步降壓調(diào)節(jié)器) |
| ISL6549 | Single 12V Input Supply Dual Regulator Synchronous Rectified Buck PWM and Linear Power Controller |
| ISL6549CA | Single 12V Input Supply Dual Regulator Synchronous Rectified Buck PWM and Linear Power Controller |
| ISL6549CAZ | Single 12V Input Supply Dual Regulator Synchronous Rectified Buck PWM and Linear Power Controller |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ISL65426IRZAS2698 | 制造商:Intersil Corporation 功能描述:LEAD-FREE W/ANNEAL, DUAL BUCK REGULATOR. -40-85 TEMP. - Rail/Tube 制造商:Intersil 功能描述:W/ANNEAL DL BUCKG -40-85 TEMP 50LD |
| ISL65426IRZAS2715 | 制造商:Intersil Corporation 功能描述:S SPEC FOR TRACKING BROADCOM BUSINESS ONLY-SOLD THRU DISTI - Tape and Reel |
| ISL65426IRZA-T | 功能描述:IC REG BUCK SYNC ADJ 6A DL 50QFN RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關(guān)穩(wěn)壓器 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:- 類型:降壓（降壓） 輸出類型:兩者兼有 輸出數(shù):1 輸出電壓:5V，1 V ~ 10 V 輸入電壓:3.5 V ~ 28 V PWM 型:電流模式 頻率 - 開關(guān):220kHz ~ 1MHz 電流 - 輸出:600mA 同步整流器:無 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:16-SSOP（0.154"，3.90mm 寬） 包裝:帶卷 (TR) 供應(yīng)商設(shè)備封裝:16-QSOP |
| ISL65426IRZA-TS2698 | 制造商:Intersil Corporation 功能描述:LEAD-FREE W/ANNEAL, DUAL BUCK REGULATOR. -40-85 TEMP., 50LD - Tape and Reel 制造商:Intersil 功能描述:W/ANNEAL DL BUCKG -40-85 TEMP 50LD |
| ISL65426IRZA-TS2715 | 制造商:Intersil Corporation 功能描述:S SPEC FOR TRACKING BROADCOM BUSINESS ONLY-SOLD THRU DISTI - Tape and Reel |
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