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ISL8500IRZ-T

更新时间: 2024-11-15 05:39:43
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英特矽尔 - INTERSIL 稳压器
页数 文件大小 规格书
15页 676K
描述
2A Standard Buck PWM Regulator

ISL8500IRZ-T 数据手册

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ISL8500  
®
Data Sheet  
December 10, 2007  
FN6611.0  
2A Standard Buck PWM Regulator  
Features  
• Standard Buck Controller with Integrated Switching Power  
MOSFET  
The ISL8500 is a high-performance, simple output controller  
that provides a single, high frequency power solution for a  
variety of point-of-load applications. The ISL8500 integrates  
a 2A standard buck PWM controller and switching MOSFET.  
• Integrated Boot Diode  
• Input Voltage Range  
- Fixed 5V ±10%  
The PWM controller in the ISL8500 drives an internal  
switching N-Channel power MOSFET and requires an  
external Schottky diode to generate an output voltage from  
0.6V to 19V. The integrated power switch is optimized for  
excellent thermal performance up to 2A of output current.  
The standard buck input voltage range supports a fixed 5V  
or variable 5.5V to 25V range. The PWM regulator switches  
at a fixed frequency of 500kHz and utilizes simple voltage  
mode control with input voltage feed forward to provide  
flexibility in component selection and minimize solution size.  
Protection features include overcurrent, undervoltage and  
thermal overload protection integrated into the IC. The  
ISL8500 power good signal output indicates loss of  
regulation on the PWM output.  
- Variable 5.5V to 25V  
• PWM Output Voltage Adjustable from 0.6V to 19V with  
Continuous Output Current up to 2A  
• ±1% VFB Tolerance  
• Voltage Mode Control with Voltage Feed Forward  
• Fixed 500kHz Switching Frequency  
• Externally Adjustable Soft-Start Time  
• Output Undervoltage Protection  
• Enable Inputs  
• PGOOD Output  
ISL8500 is available in a small 4mmx3mm Dual Flat No-Lead  
(DFN) package.  
• Overcurrent Protection  
• Thermal Overload Protection  
• Internal 5V LDO regulator  
Ordering Information  
PART  
Applications  
• General Purpose  
NUMBER  
(Note)  
PART  
TEMP.  
PACKAGE  
(Pb-free)  
PKG.  
DWG. #  
MARKING RANGE (°C)  
ISL8500IRZ  
500Z  
-40 to +85 12 Ld DFN  
-40 to +85 12 Ld DFN  
L12.4x3  
L12.4x3  
• WLAN Cards-PCMCIA, Cardbus32, MiniPCI Cards-Compact  
Flash Cards  
ISL8500IRZ-T* 500Z  
• Hand-Held Instruments  
• LCD Panel  
*Please refer to TB347 for details on reel specifications.  
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.  
• Set-top Box  
Pinout  
ISL8500  
(12 LD DFN)  
TOP VIEW  
VIN  
12  
11  
10  
9
FB  
COMP  
SS  
1
2
3
4
5
6
VIN  
PHASE  
PHASE  
BOOT  
VDD  
DFN 4x3  
EN  
PG  
8
GND  
7
GND  
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.  
1
1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc.  
Copyright © Intersil Americas Inc. 2007. All Rights Reserved  
All other trademarks mentioned are the property of their respective owners.  

ISL8500IRZ-T 替代型号

型号 品牌 替代类型 描述 数据表
ISL8500IRZ INTERSIL

完全替代

2A Standard Buck PWM Regulator

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