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ISL78843ASRHVX/SAMPLE

更新时间： 2024-11-30 20:09:19
品牌 Logo 应用领域
瑞萨 - RENESAS 开关
页数 文件大小 规格书
14页 867K
描述
1A SWITCHING CONTROLLER, 1000kHz SWITCHING FREQ-MAX, UUC8, ROHS COMPLIANT, DIE-8

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ISL78843ASRHVX/SAMPLE 技术参数

是否Rohs认证： 符合生命周期：Transferred
零件包装代码：DIE包装说明：DIE,
针数：8Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.68模拟集成电路 - 其他类型：SWITCHING CONTROLLER
控制模式：CURRENT-MODE控制技术：PULSE WIDTH MODULATION
最大输入电压：13.2 V最小输入电压：9 V
JESD-30 代码：R-XUUC-N8JESD-609代码：e4
功能数量：1端子数量：8
最高工作温度：125 °C最低工作温度：-55 °C
最大输出电流：1 A封装主体材料：UNSPECIFIED
封装代码：DIE封装形状：RECTANGULAR
封装形式：UNCASED CHIP峰值回流温度（摄氏度）：NOT SPECIFIED
认证状态：Not Qualified表面贴装：YES
切换器配置：SINGLE最大切换频率：1000 kHz
温度等级：MILITARY端子面层：Gold (Au)
端子形式：NO LEAD端子位置：UPPER
处于峰值回流温度下的最长时间：NOT SPECIFIEDBase Number Matches：1

ISL78843ASRHVX/SAMPLE 数据手册

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Radiation Hardened, High Performance Industry  
Standard Single-Ended Current Mode PWM Controller  
ISL78840ASRH, ISL78841ASRH, ISL78843ASRH, ISL78845ASRH  
The ISL7884xASRH is a high performance, radiation hardened  
drop-in replacement for the popular 28C4x and 18C4x PWM  
Features  
• Electrically Screened to DLA SMD # 5962-07249  
• QML Qualified Per MIL-PRF-38535 Requirements  
• 1A MOSFET Gate Driver  
controllers suitable for a wide range of power conversion  
applications including boost, flyback, and isolated output  
configurations. Its fast signal propagation and output  
switching characteristics make this an ideal product for  
existing and new designs.  
• 90µA Typical Start-up Current, 125µA Max  
• 35ns Propagation Delay Current Sense to Output  
• Fast Transient Response with Peak Current Mode Control  
• 9V to 13.2V Operation  
Features include up to 13.2V operation, low operating current,  
90µA typical start-up current, adjustable operating frequency  
to 1MHz, and high peak current drive capability with 50ns rise  
and fall times.  
• Adjustable Switching Frequency to 1MHz  
• 50ns Rise and Fall Times with 1nF Output Load  
PART NUMBER  
ISL78840ASRH  
ISL78841ASRH  
ISL78843ASRH  
ISL78845ASRH  
RISING UVLO  
MAX. DUTY CYCLE  
7.0  
7.0  
100%  
50%  
• Trimmed Timing Capacitor Discharge Current for Accurate  
Deadtime/Maximum Duty Cycle Control  
• 1.5MHz Bandwidth Error Amplifier  
8.4V  
8.4V  
100%  
50%  
• Tight Tolerance Voltage Reference Over Line, Load and  
Temperature  
• ±3% Current Limit Threshold  
Specifications for Rad Hard QML devices are controlled by the  
Defense Logistics Agency Land and Maritime (DLA). The SMD  
numbers listed in the ordering information must be used when  
ordering.  
• Pb-Free Available (RoHS Compliant)  
Applications  
• Current Mode Switching Power Supplies  
• Isolated Buck and Flyback Regulators  
• Boost Regulators  
Detailed Electrical Specifications for the ISL788xASRH are  
contained in SMD 5962-07249. A “hot-link” is provided on our  
website for downloading.  
• Direction and Speed Control in Motors  
• Control of High Current FET Drivers  
Pin Configurations  
ISL78840ASRH, ISL78841ASRH,  
ISL78843ASRH, ISL78845ASRH  
(8 LD FLATPACK)  
ISL78840ASRH, ISL78841ASRH,  
ISL78843ASRH, ISL78845ASRH  
(8 LD SBDIP)  
TOP VIEW  
TOP VIEW  
COMP  
FB  
1
2
3
4
8
7
6
5
V
V
REF  
COMP  
FB  
1
2
3
4
8
7
6
5
V
V
REF  
DD  
DD  
CS  
OUT  
GND  
CS  
OUT  
GND  
RTCT  
RTCT  
April 5, 2012  
FN6991.2  
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.  
1-888-INTERSIL or 1-888-468-3774 |Copyright Intersil Americas Inc. 2009, 2010, 2012. All Rights Reserved  
Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries.  
All other trademarks mentioned are the property of their respective owners.  
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