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ISL6442IAZ

更新时间： 2024-12-01 20:30:07
品牌 Logo 应用领域
瑞萨 - RENESAS 开关光电二极管
页数 文件大小 规格书
17页 775K
描述
2.5MHz Dual, 180° Out-of-Phase, Step-Down PWM and Single Linear Controller; QSOP24; Temp Range: -40° to 85°C

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ISL6442IAZ 技术参数

生命周期：Unknown零件包装代码：QSOP
包装说明：SSOP, SSOP24,.24针数：24
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：1 week
风险等级：5.19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：24 V最小输入电压：5.5 V
标称输入电压：12 VJESD-30 代码：R-PDSO-G24
JESD-609代码：e3长度：8.645 mm
湿度敏感等级：2功能数量：1
端子数量：24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：SSOP封装等效代码：SSOP24,.24
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, SHRINK PITCH
峰值回流温度（摄氏度）：260认证状态：Not Qualified
座面最大高度：1.75 mm子类别：Switching Regulator or Controllers
表面贴装：YES切换器配置：PHASE-SHIFT
最大切换频率：2850 kHz温度等级：INDUSTRIAL
端子面层：Matte Tin (Sn) - annealed端子形式：GULL WING
端子节距：0.635 mm端子位置：DUAL
处于峰值回流温度下的最长时间：30宽度：3.895 mm
Base Number Matches：1

ISL6442IAZ 数据手册

 浏览型号ISL6442IAZ的Datasheet PDF文件第2页浏览型号ISL6442IAZ的Datasheet PDF文件第3页浏览型号ISL6442IAZ的Datasheet PDF文件第4页浏览型号ISL6442IAZ的Datasheet PDF文件第5页浏览型号ISL6442IAZ的Datasheet PDF文件第6页浏览型号ISL6442IAZ的Datasheet PDF文件第7页 
DATASHEET  
ISL6442  
FN9204  
Rev 2.00  
Oct 31, 2008  
Dual (180° Out-of-Phase) PWM and Linear Controller  
The ISL6442 is a high-performance, triple output controller  
that provides a single high-frequency power solution  
primarily for Broadband, DSL and Networking applications.  
This device integrates complete control, monitoring and  
protection functions for two synchronous buck PWM  
controllers and one linear controller. Input voltage ripple and  
total RMS input current is substantially reduced by  
Features  
• 4.5V to 5.5V or 5.5V to 24V Input Voltage Range  
• ±1.5% PWM Switcher Reference Accuracy Over Line and  
Temperature  
• Three Programmable Power Output Voltages  
- Two PWM Controllers with Out-of-Phase Operation  
- Voltage-Mode PWM Control  
synchronized 180° out-of-phase operation of the two PWMs.  
- One Linear Controller  
The two PWM buck converters provide simple voltage mode  
control. The output voltage of the converters can be  
precisely regulated to as low as 0.6V, with a maximum  
tolerance of ±1.5% over temperature and line variations.  
Programmable switching frequency up to 2.5MHz provides  
fast transient response and small external components. The  
linear controller provides a low-current output.  
• Programmable Switching Frequency from 300kHz to 2.5MHz  
• Fast Transient Response  
- High-Bandwidth Error Amplifier  
• Extensive Circuit Protection Functions  
- Overvoltage, Undervoltage, and Overtemperature  
- Programmable Overcurrent Limit with Hiccup Mode  
Operation  
The ISL6442 has voltage-tracking capability. Each controller  
has soft-start and independent enable functions combined  
on a single pin. A capacitor from SS/EN to ground sets the  
soft-start time; pulling SS/EN pin below 1V disables the  
controller. Both outputs can soft-start into a pre-biased load.  
- Lossless Current Sensing (No Sense Resistor Needed)  
• Externally Adjustable Soft-Start Time  
- Independent Enable Control  
- Voltage Tracking Capability  
The ISL6442 incorporates robust protection features. An  
adjustable overcurrent protection circuit monitors the output  
current by sensing the voltage drop across the upper  
- Able to Soft-Start into a Pre-Biased Load  
• PGOOD Output with Delay  
• 24 Ld QSOP  
MOSFET r  
. Hiccup mode overcurrent operation  
DS(ON)  
protects the DC/DC converters from damage under over  
load and short circuit conditions. A PGOOD signal is issued  
when soft-start is complete and PWM outputs are within 10%  
of their regulated values and the linear regulator output is  
higher than 75% of its nominal value. Thermal shut-down  
circuitry turns the device off if the IC temperature exceeds  
+150°C.  
• Pb-Free (RoHS Compliant)  
Applications  
• Complete 1 Chip Solution for DSL Modems/Routers  
• DSP, ASIC, and FPGA Point of Load Regulation  
• ADSL, Broadband and Networking Applications  
Ordering Information  
Pinout  
ISL6442  
(24 LD QSOP)  
TOP VIEW  
PART  
NUMBER  
(Note)  
PART  
TEMP.  
PACKAGE  
(Pb-free)  
PKG.  
DWG. #  
MARKING RANGE (°C)  
ISL6442IAZ* ISL 6442IAZ -40 to +85 24 Ld QSOP M24.15  
OCSET1  
SS1/EN1  
COMP1  
FB1  
1
2
3
4
5
6
7
8
9
24 VIN  
23 BOOT1  
22 UGATE1  
21 PHASE1  
20 LGATE1  
19 VCC  
*Add “-TK” suffix for tape and reel. 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.  
RT  
SGND  
LCDR  
LCFB  
FB2  
18 PGND  
17 LGATE2  
16 PHASE2  
COMP2 10  
SS2/EN2 11  
OCSET2 12  
UGATE2  
15  
14 BOOT2  
13 PGOOD  
FN9204 Rev 2.00  
Oct 31, 2008  
Page 1 of 17  
1234567...17

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