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ISL9440BIRZ

更新时间： 2024-11-24 19:23:35
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页数 文件大小 规格书
25页 2226K
描述
Triple Step-Down PWM and Single Linear Controller with Programmable Soft-Start; QFN32; Temp Range: -40° to 85°C

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ISL9440BIRZ 技术参数

生命周期：Unknown零件包装代码：QFN
包装说明：HVQCCN, LCC32,.2SQ,20针数：32
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.21
其他特性：ALSO OPERATES AS LDO REGULATOR模拟集成电路 - 其他类型：SWITCHING REGULATOR
控制模式：CURRENT-MODE控制技术：PULSE WIDTH MODULATION
最大输入电压：24 V最小输入电压：5.6 V
标称输入电压：12 VJESD-30 代码：S-PQCC-N32
JESD-609代码：e3长度：5 mm
湿度敏感等级：3功能数量：1
端子数量：32最高工作温度：85 °C
最低工作温度：-40 °C最大输出电流：0.1 A
标称输出电压：5 V封装主体材料：PLASTIC/EPOXY
封装代码：HVQCCN封装等效代码：LCC32,.2SQ,20
封装形状：SQUARE封装形式：CHIP CARRIER
峰值回流温度（摄氏度）：260认证状态：Not Qualified
座面最大高度：1 mm子类别：Switching Regulator or Controllers
表面贴装：YES切换器配置：BUCK
最大切换频率：340 kHz温度等级：INDUSTRIAL
端子面层：Matte Tin (Sn) - annealed端子形式：NO LEAD
端子节距：0.5 mm端子位置：QUAD
处于峰值回流温度下的最长时间：30宽度：5 mm
Base Number Matches：1

ISL9440BIRZ 数据手册

 浏览型号ISL9440BIRZ的Datasheet PDF文件第2页浏览型号ISL9440BIRZ的Datasheet PDF文件第3页浏览型号ISL9440BIRZ的Datasheet PDF文件第4页浏览型号ISL9440BIRZ的Datasheet PDF文件第5页浏览型号ISL9440BIRZ的Datasheet PDF文件第6页浏览型号ISL9440BIRZ的Datasheet PDF文件第7页 
DATASHEET  
ISL9440B, ISL9440C  
Triple Step-Down PWM and Single Linear Controller with Programmable Soft-Start  
FN6799  
Rev 4.00  
February 18, 2016  
The ISL9440B and ISL9440C are quad-output synchronous  
buck controllers that integrate three PWM controllers and one  
Features  
• Three Integrated Synchronous Buck PWM Controllers  
- Internal Bootstrap Diodes  
low drop-out linear regulator controller, which are full featured  
and designed to provide multi-rail power for use in products  
such as cable and satellite set-top boxes, VoIP gateways,  
cable modems, and other home connectivity products as well  
as a variety of industrial and general purpose applications.  
Each output is adjustable down to 0.8V. The PWMs are  
synchronized at 180° out-of-phase thus, reducing the RMS  
input current and ripple voltage.  
- Internal Compensation  
• Independent Control for each Regulator and  
Programmable Output Voltages; Independent  
Enable/Shutdown/Soft-start  
• Fixed Switching Frequency: 300kHz(B), 600kHz(C)  
The ISL9440B and ISL9440C offer programmable soft-start,  
independent enable inputs for ease of supply rail  
sequencing, and integrated UV/OV/OC/OT protections in a  
space conscious 5mmx5mm QFN package. An early  
warning function is offered to output a logic signal to warn  
the system to back up data when input voltage falls below a  
certain level.  
• Adaptive Shoot-Through Protection on all Synchronous  
Buck Controllers  
• Pre-biased Output Start-up Capability  
• Out-of-Phase Switching to Reduce Input Capacitance  
(0°/180°/0°)  
• No External Current Sense Resistor  
- Uses Lower MOSFET’s rDS(ON)  
The ISL9440B and ISL9440C utilize internal loop  
compensation to keep minimum peripheral components for  
compact design and a low total solution cost. These devices  
are implemented with current mode control with feed-forward  
to cover various applications even with fixed internal  
compensations.  
• Current Mode Controller with Voltage Feed-Forward  
• Complete Protection  
- Overcurrent, Overvoltage, Undervoltage Lockout,  
Over-Temperature  
Table 1 shows the difference in terms of ISL944xx family  
features.  
• Cycle-by-Cycle Current Limiting  
TABLE 1.  
• Wide Input Voltage Range  
SWITCHING  
PART  
NUMBER  
EARLY  
WARNING  
FREQUENCY  
(kHz)  
SOFT-STARTING  
TIME (ms)  
- Input Rail Powers VIN Pin: 5.6V to 24V  
- Input Rail Powers VCC_5V Pin (VIN tied to VCC_5V, for  
5V input applications): 4.5V to 5.6V  
ISL9440  
ISL9440A  
ISL9441  
ISL9440B  
Yes  
Yes  
No  
300  
600  
300  
300  
600  
1.7  
1.7  
• Early Warning on Input Voltage Failure  
• Integrated Reset Function  
1.7  
Yes  
Yes  
Programmable  
Programmable  
• Pb-Free (RoHS Compliant)  
ISL9440C  
(No longer  
available or  
supported)  
Applications  
• Satellite and Cable Set-Top Boxes  
• Cable Modems  
• VoX Gateway Devices  
• NAS/SAN Devices  
• ATX Power Supply  
Related Literature  
• Technical Brief TB389 “PCB Land Pattern Design and  
Surface Mount Guidelines for QFN (MLFP) Packages”  
FN6799 Rev 4.00  
February 18, 2016  
Page 1 of 25  
1234567...25

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ISL9440CIRZ-T RENESAS

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ISL9440IRZ-T INTERSIL

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