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ISL6224CAZ-T

更新时间： 2024-11-11 22:27:03
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英特矽尔 - INTERSIL 控制器
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13页 371K
描述
Single Output Mobile-Friendly PWM Controller

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ISL6224CAZ-T 数据手册

 浏览型号ISL6224CAZ-T的Datasheet PDF文件第2页浏览型号ISL6224CAZ-T的Datasheet PDF文件第3页浏览型号ISL6224CAZ-T的Datasheet PDF文件第4页浏览型号ISL6224CAZ-T的Datasheet PDF文件第5页浏览型号ISL6224CAZ-T的Datasheet PDF文件第6页浏览型号ISL6224CAZ-T的Datasheet PDF文件第7页 
ISL6224  
®
Data Sheet  
December 28, 2004  
FN9042.7  
Single Output Mobile-Friendly PWM  
Controller  
Features  
• Adjustable output voltgage: 0.9-5.5V  
The ISL6224 provides power control and protection for a single,  
adjustable output voltage required to power chip-sets and  
memory banks in high-performance notebooks and PDAs. This  
output voltage is adjustable in the range from 0.9-5.5V.  
• High efficiency over wide load range  
- Higher efficiency in hysteretic mode at light load  
• Lossless current sense scheme  
- Uses MOSFET’s r  
DS(ON)  
The hysteretic or PWM controller regulates the output  
voltage from battery voltages ranging from 4V to 24V.  
Synchronous rectification and hysteretic operation at light  
loads contribute to a high efficiency over a wide range of  
input voltages and loads. Efficiency is even further enhanced  
- Optional current sense method higher precision  
• Supply operation mode  
- Wide V range: 4V-24V  
IN  
- Single 5V system rail  
by using MOSFET’s r  
) as a current sense component.  
DS(ON  
• Input undervoltage lock-out on VCC pin(UVLO)  
• Excellent dynamic response  
- Combined voltage feed-forward and current mode  
control  
Feed-forward ramp modulation, average current mode  
control and internal feed-back compensation provide fast  
and firm handling of transients when powering advanced  
chip sets.  
• Power-Good indicator  
Two-stage conversion using system 5V voltage is possible at  
a higher frequency (600kHz) to minimize the output filter size.  
• 300/600kHz switching frequency  
• Thermal shut-down  
The ISL6224 monitors the output voltage. A PGOOD (power  
good) signal is issued when soft-start is completed and the  
output is within ±10% of the set point.  
• Pb-Free Available (RoHS Compliant)  
A built-in overvoltage protection prevents output voltage  
from going above 120% of the set point. Undervoltage  
protection latches the chip off when the output drops below  
70% of its setting value after soft-start sequence is  
completed. The PWM controller’s overcurrent circuitry  
monitors the output current by sensing the voltage drop  
across the lower MOSFET. If higher precision sense  
technique is required, an optional external current-sense  
resistor may be used.  
Applications  
•
Mobile PCs  
• Graphic cards  
• Hand-held portable instruments  
Related Literature  
• Application Note AN9983  
Pinout  
Ordering Information  
ISL6224 (SSOP)  
TOP VIEW  
PART NUMBER  
TEMP. (°C)  
-10 to 85  
-10 to 85  
PACKAGE PKG. DWG. #  
ISL6224CA  
16 Ld SSOP  
M16.15A  
M16.15A  
FCCM  
BOOT  
VIN  
1
2
3
4
5
6
7
8
16  
15  
ISL6224CAZ  
(Note 1)  
16 Ld SSOP  
(Pb-free)  
PGOOD  
14 UGATE  
13 PHASE  
EN  
OCSET  
VOUT  
VSEN  
SOFT  
GND  
ISL6224CAZA  
(Note 1)  
-10 to 85  
16 Ld SSOP  
(Pb-free)  
M16.15A  
ISEN  
12  
NOTE:  
VCC  
11  
10  
9
1. Intersil Pb-free 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.  
LGATE  
PGND  
2. Add “-T” for Tape and Reel.  
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.  
1-888-INTERSIL or 321-724-7143 | Intersil (and design) is a registered trademark of Intersil Americas Inc.  
Copyright © Intersil Americas Inc. 2004. All Rights Reserved  
1
All other trademarks mentioned are the property of their respective owners.  
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ISL6224CAZ-T 替代型号

型号 品牌 替代类型 描述 数据表
ISL6224CA-T INTERSIL

完全替代

 Single Output Mobile-Friendly PWM Controller
ISL6224CAZ INTERSIL

类似代替

 Single Output Mobile-Friendly PWM Controller

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