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參數(shù)資料
| 型號(hào)： | ISL6564AIRZ |
| 廠商： | INTERSIL CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | Multiphase PWM Controller with Linear 6-Bit DAC Capable of Precision rDS(ON) or DCR Differential Current Sensing |
| 中文描述： | SWITCHING CONTROLLER, 1500 kHz SWITCHING FREQ-MAX, PQCC40 |
| 封裝： | 6 X 6 MM, ROHS COMPLIANT, PLASTIC, MO-220, QFN-40 |
| 文件頁數(shù)： | 1/28頁 |
| 文件大小： | 636K |
| 代理商： | ISL6564AIRZ |
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1
FN6285.1
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. 2006-2007. All Rights Reserved. Dynamic VID is a trademark of Intersil Americas Inc.
All other trademarks mentioned are the property of their respective owners.
ISL6564A
Multiphase PWM Controller with Linear
6-Bit DAC Capable of Precision r
DS(ON)
or
DCR Differential Current Sensing
The ISL6564A is a Multiphase PWM controller which controls
microprocessor core voltage regulation by driving up to
4 synchronous-rectified buck channels. It features a high
bandwidth control loop to provide optimal response to the load
transients. With switching frequency up to 1.5MHz per phase,
the ISL6564A based voltage regulator requires minimum
components and PCB area in DC/DC converter application.
The ISL6564A senses current by utilizing patented
techniques to measure the voltage across the on resistance,
r
DS(ON)
, of the lower MOSFETs or DCR of the output
inductor during their conduction intervals. Current sensing
provides the needed signals for precision droop, channel-
current balancing, and overcurrent protection.
A unity gain, differential amplifier is provided for remote
voltage sensing. Any potential difference between remote
and local grounds can be completely eliminated using the
remote-sense amplifier. Eliminating ground differences
improves regulation and protection accuracy. The threshold-
sensitive enable input is available to accurately coordinate
the start up of the ISL6564A with any other voltage rail.
Dynamic-VID technology allows seamless on-the-fly VID
changes. The offset pin allows accurate voltage offset
settings that are independent of VID setting. The ISL6564A
uses a 5V bias and has a built-in shunt regulator to allow
12V bias using only a small external limiting resistor.
Features
Precision Multiphase Core Voltage Regulation
- Differential Remote Voltage Sensing
-
±
0.5% System Accuracy
- Adjustable Reference-Voltage Offset
Precision r
DS(ON)
or DCR Current Sensing
- Accurate Load-Line Programming
- Accurate Channel-Current Balancing
- Differential Current Sense
- Low-Cost, Lossless Current Sensing
Internal Shunt Regulator for 5V or 12V Biasing
Microprocessor Voltage Identification Input
- Self Clocked Dynamic VID Control Technology
- 6-Bit VID Input
- 0.525V to 1.300V in 12.5mV Steps
Threshold-Sensitive Enable Function for Power
Sequencing Control
Overcurrent Protection
Overvoltage Protection
- No Additional External Components Needed
- OVP Pin to Drive Crowbar Device
1, 2, 3, or 4 Phase Operation
Up to 1.5MHz Per Phase Operation (>6MHz Ripple)
QFN Package
- Compliant to JEDEC PUB95 MO-220 QFN - Quad Flat
No Leads - Product Outline
- QFN Near Chip Scale Package Footprint; Improves
PCB Efficiency, Thinner in Profile
Pb-Free Plus Anneal Available (RoHS Compliant)
Ordering Information
PART NUMBER
PART
MARKING
TEMP.
(°C)
PACKAGE
PKG.
DWG. #
ISL6564ACRZ*
(Note)
ISL6564 ACRZ
0 to +70 40 Ld 6x6 QFN
(Pb-free)
L40.6x6
ISL6564AIRZ*
(Note)
ISL6564 AIRZ
-40 to +85 40 Ld 6x6 QFN
(Pb-free)
L40.6x6
*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.
Data Sheet
March 20, 2007
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ISL6564AIRZ-T | 功能描述:IC REG CTRLR BUCK PWM VM 40-QFN RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 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:- PWM 型:電流模式 輸出數(shù):1 頻率 - 最大:275kHz 占空比:50% 電源電壓:18 V ~ 110 V 降壓:無 升壓:無 回掃:無 反相:無 倍增器:無 除法器:無 Cuk:無 隔離:是 工作溫度:-40°C ~ 85°C 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 包裝:帶卷 (TR) |
| ISL6564CR | 功能描述:IC REG CTRLR BUCK PWM VM 40-QFN RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 標(biāo)準(zhǔn)包裝:4,000 系列:- PWM 型:電壓模式 輸出數(shù):1 頻率 - 最大:1.5MHz 占空比:66.7% 電源電壓:4.75 V ~ 5.25 V 降壓:是 升壓:無 回掃:無 反相:無 倍增器:無 除法器:無 Cuk:無 隔離:無 工作溫度:-40°C ~ 85°C 封裝/外殼:40-VFQFN 裸露焊盤 包裝:帶卷 (TR) |
| ISL6564CR-T | 功能描述:IC REG CTRLR BUCK PWM VM 40-QFN RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 標(biāo)準(zhǔn)包裝:4,000 系列:- PWM 型:電壓模式 輸出數(shù):1 頻率 - 最大:1.5MHz 占空比:66.7% 電源電壓:4.75 V ~ 5.25 V 降壓:是 升壓:無 回掃:無 反相:無 倍增器:無 除法器:無 Cuk:無 隔離:無 工作溫度:-40°C ~ 85°C 封裝/外殼:40-VFQFN 裸露焊盤 包裝:帶卷 (TR) |
| ISL6564CRZ | 功能描述:電流型 PWM 控制器 LEAD-FREE MULTI-PHASE PWM CONTROLLER W/ 0.525-1.3 VID RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
| ISL6564CRZ-T | 功能描述:電流型 PWM 控制器 LEAD-FREE MULTI-PHASE PWM CONTROLLER W/ 0.525-1.3 VID, T&R RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
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