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ISL6439IRZ PDF预览

ISL6439IRZ

更新时间： 2024-12-01 20:25:03
品牌 Logo 应用领域
瑞萨 - RENESAS 开关
页数 文件大小 规格书
16页 396K
描述
SWITCHING CONTROLLER, 340kHz SWITCHING FREQ-MAX, PQCC16, 5 X 5 MM, LEAD FREE, PLASTIC, MO-220VHHB, MLFP-16

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ISL6439IRZ 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Obsolete零件包装代码：QFN
包装说明：HVQCCN, LCC16,.2SQ,32针数：16
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.16
模拟集成电路 - 其他类型：SWITCHING CONTROLLER控制模式：VOLTAGE-MODE
控制技术：PULSE WIDTH MODULATION最大输入电压：3.465 V
最小输入电压：3.135 V标称输入电压：3.3 V
JESD-30 代码：S-PQCC-N16JESD-609代码：e3
长度：5 mm湿度敏感等级：3
功能数量：1端子数量：16
最高工作温度：85 °C最低工作温度：-40 °C
封装主体材料：PLASTIC/EPOXY封装代码：HVQCCN
封装等效代码：LCC16,.2SQ,32封装形状：SQUARE
封装形式：CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE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：PUSH-PULL最大切换频率：340 kHz
技术：MOS温度等级：INDUSTRIAL
端子面层：MATTE TIN端子形式：NO LEAD
端子节距：0.8 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

ISL6439IRZ 数据手册

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ISL6439, ISL6439A  
Data Sheet  
September 15, 2015  
FN9057.6  
Single Sync Buck PWM Controller for  
Broadband Gateway Applications  
Features  
• Operates from 3.3V to 5V Input  
The ISL6439 makes easy work out of implementing a  
complete control and protection scheme for a DC/DC  
step-down converter. Designed to drive N-Channel  
MOSFETs in a synchronous buck topology, the ISL6439  
integrates the control, output adjustment, monitoring and  
protection functions into a single package.  
• 0.8V to V Output Range  
IN  
- 0.8V Internal Reference  
- ±1.5% Over Load, Line Voltage and Temperature  
• Drives N-Channel MOSFETs  
• Simple Single-Loop Control Design  
- Voltage-Mode PWM Control  
The ISL6439 provides simple, single feedback loop, voltage-  
mode control with fast transient response. The output  
voltage can be precisely regulated to as low as 0.8V, with a  
maximum tolerance of ±1.5% over temperature and line  
voltage variations. A fixed frequency oscillator reduces  
design complexity, while balancing typical application cost  
and efficiency.  
• Fast Transient Response  
- High-Bandwidth Error Amplifier  
- Full 0% to 100% Duty Cycle  
• Lossless, Programmable Overcurrent Protection  
- Uses Upper MOSFET’s r  
DS(on)  
The error amplifier features a 15MHz gain-bandwidth  
product and 6V/s slew rate which enables high converter  
bandwidth for fast transient performance. The resulting  
PWM duty cycles range from 0% to 100%.  
• Converter can Source and Sink Current  
• Small Converter Size  
- Internal Fixed Frequency Oscillator  
-
-
ISL6439: 300kHz  
ISL6439A: 600kHz  
Protection from overcurrent conditions is provided by  
monitoring the r  
of the upper MOSFET to inhibit PWM  
DS(ON)  
• Internal Soft-Start  
operation appropriately. This approach simplifies the  
implementation and improves efficiency by eliminating the  
need for a current sense resistor.  
• 14 Pin SOIC or 16 Lead 5x5 QFN  
• QFN Package:  
- Compliant to JEDEC PUB95 MO-220 QFN - Quad Flat  
No Lead - Package Outline  
- Near Chip Scale Package footprint, which improves  
PCB efficiency and has a thinner profile  
• Pb-free (RoHS compliant)  
Applications  
• Cable Modems, Set Top Boxes, and DSL Modems  
• DSP and Core Communications Processor Supplies  
• Memory Supplies  
• Personal Computer Peripherals  
• Industrial Power Supplies  
• 3.3V-Input DC/DC Regulators  
• Low-Voltage Distributed Power Supplies  
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 LLC.  
Copyright © Intersil Americas LLC. 2003-2004, 2008, 2015. All Rights Reserved.  
All other trademarks mentioned are the property of their respective owners.  
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ISL6439IRZ-T RENESAS

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ISL6440ACB-T ROCHESTER

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 		Switching Controller, Voltage-mode, 1000kHz Switching Freq-Max, PDSO28, PLASTIC, MS-013AE,
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ISL6440IA INTERSIL

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 		300kHz Dual, 180 Degree Out-of-Phase, Step-Down PWM Controller

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