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ISL62392CIRTZ

更新时间： 2024-09-24 11:12:19
品牌 Logo 应用领域
英特矽尔 - INTERSIL 开关输出元件控制器
页数 文件大小 规格书
20页 649K
描述
High-Efficiency, Triple-Output System Power Supply Controller

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ISL62392CIRTZ 数据手册

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ISL62391, ISL62392, ISL62391C, ISL62392C  
Data Sheet  
April 7, 2011  
FN6666.5  
High-Efficiency, Triple-Output System  
Power Supply Controller for Notebook  
Computers  
Features  
3
• High Performance R Technology  
• Fast Transient Response  
The ISL62391, ISL62392, ISL62391C and ISL62392C  
controller generate supply voltages for battery-powered  
systems. It includes two pulse-width modulation (PWM)  
controllers, adjustable from 0.6V to 5.5V, and a linear  
regulator (LDO3) that generates a fixed 3.3V and can deliver  
up to 100mA. The ISL62391, ISL62392, ISL62391C and  
ISL62392C include on-board power-up sequencing, a power-  
good (PGOOD) output, digital soft-start, and internal soft-stop  
output discharge that prevents negative voltages on  
shutdown.  
• ±1% Output Voltage Accuracy  
• 2 Fully Programmable Switch-Mode Power Supplies  
• Programmable Switching Frequency  
• Fixed 3.3V LDO Output  
• Internal Soft-Start and Soft-Stop Output Discharge  
• Wide Input Voltage Range: 5.5V to 25V  
• Full and Ultrasonic Pulse-Skipping Mode  
• Power-Good Indicator  
3
The patented R PWM control scheme provides a low jitter  
system with fast response to load transients. Light-load  
efficiency is improved with period-stretching discontinuous  
conduction mode (DCM) operation. To eliminate noise in audio  
frequency applications, an ultrasonic DCM mode is included,  
which limits the minimum switching frequency to 28kHz.  
• Overvoltage, Undervoltage and Overcurrent Protection  
• Thermal Monitor and Protection  
• Pb-Free (RoHS Compliant)  
Applications  
The ISL62391, ISL62391C and ISL62392, ISL62392C are  
identical except for how their overvoltage protection is  
handled. The ISL62391 and ISL62391C utilize a tri-state  
overvoltage scheme, whereas the ISL62392 and ISL62392C  
employ a soft-crowbar method.  
• Notebook and Sub-Notebook Computers  
• PDAs and Mobile Communication Devices  
• 3-Cell and 4-Cell Li+ Battery-Powered Devices  
The ISL62391, ISL62392, ISL62391C and ISL62392C are  
available in a 28 Ld 4x4 TQFN package and operate over  
the extended temperature range (-40°C to +100°C).  
Pinout  
ISL62391, ISL62392, ISL62391C, ISL62392C  
(28 LD 4X4 TQFN)  
TOP VIEW  
Ordering Information  
PART  
NUMBER  
(Note)  
PART  
MARKING  
TEMP  
RANGE (°C)  
PACKAGE  
(Pb-Free)  
PKG.  
DWG. #  
ISL62391HRTZ*  
ISL62392HRTZ*  
ISL62391CHRTZ*  
ISL62392CHRTZ*  
ISL62391IRTZ*  
ISL62392IRTZ*  
ISL62391CIRTZ*  
ISL62392CIRTZ*  
623 91HRTZ  
623 92HRTZ  
-10 to +100 28 Ld 4x4 TQFN  
-10 to +100 28 Ld 4x4 TQFN  
L28.4x4  
L28.4x4  
L28.4x4  
L28.4x4  
L28.4x4  
L28.4x4  
L28.4x4  
L28.4x4  
28 27 26 25 24 23 22  
PGOOD  
FSET2  
FCCM  
VCC  
BOOT2  
LGATE2  
PGND  
PVCC  
VIN  
1
2
3
4
5
6
7
21  
20  
19  
18  
17  
16  
15  
62391C HRTZ -10 to +100 28 Ld 4x4 TQFN  
62392C HRTZ -10 to +100 28 Ld 4x4 TQFN  
623 91IRTZ  
623 92IRTZ  
62391C IRTZ  
62392C IRTZ  
-40 to +100 28 Ld 4x4 TQFN  
-40 to +100 28 Ld 4x4 TQFN  
-40 to +100 28 Ld 4x4 TQFN  
-40 to +100 28 Ld 4x4 TQFN  
LDO3EN  
FSET1  
FB1  
LDO3  
CENTER PAD:  
GND  
*Add “-T*” suffix for tape and reel. Please refer to TB347 for details on reel  
specifications.  
LGATE1  
NOTE: These Intersil Pb-free plastic packaged products employ special  
Pb-free material sets, molding compounds/die attach materials, and 100%  
matte tin plate plus anneal (e3 termination finish, which is 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.  
8
9
10 11 12 13 14  
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 trademark owned by Intersil Corporation or one of its subsidiaries.  
Copyright Intersil Americas Inc. 2008, 2011. All Rights Reserved  
1
All other trademarks mentioned are the property of their respective owners.  
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