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ISL8022

更新时间： 2024-02-07 23:00:59
品牌 Logo 应用领域
英特矽尔 - INTERSIL /
页数 文件大小 规格书
18页 1152K
描述
Dual 2A/1.7A Low Quiescent Current 2.25MHz High Efficiency Synchronous

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ISL8022 技术参数

生命周期：Unknown零件包装代码：DFN
包装说明：HVSON, SOLCC12,.12,20针数：12
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：6 weeks
风险等级：5.19其他特性：ALSO OUTPUT VOLTAGE ADJUSTABLE DOWN TO 0.6V; PFM CONTROL TECHNIQUE ALSO POSSIBLE
模拟集成电路 - 其他类型：DUAL SWITCHING CONTROLLER控制模式：CURRENT-MODE
控制技术：PULSE WIDTH MODULATION最大输入电压：5.5 V
最小输入电压：2.8 V标称输入电压：3.6 V
JESD-30 代码：R-PDSO-N12JESD-609代码：e3
长度：4 mm湿度敏感等级：1
功能数量：1端子数量：12
最高工作温度：85 °C最低工作温度：-40 °C
最大输出电流：3.6 A封装主体材料：PLASTIC/EPOXY
封装代码：HVSON封装等效代码：SOLCC12,.12,20
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, 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：PHASE-SHIFT
最大切换频率：2700 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：DUAL
处于峰值回流温度下的最长时间：30宽度：3 mm
Base Number Matches：1

ISL8022 数据手册

 浏览型号ISL8022的Datasheet PDF文件第2页浏览型号ISL8022的Datasheet PDF文件第3页浏览型号ISL8022的Datasheet PDF文件第4页浏览型号ISL8022的Datasheet PDF文件第5页浏览型号ISL8022的Datasheet PDF文件第6页浏览型号ISL8022的Datasheet PDF文件第7页 
Dual 2A/1.7A Low Quiescent Current 2.25MHz  
High Efficiency Synchronous Buck Regulator  
ISL8022  
The ISL8022 is a high efficiency, dual synchronous  
Features  
step-down DC/DC regulator that can deliver up to  
2A/1.7A continuous output current per channel. The  
channels are 180° out-of-phase for input RMS current  
and EMI reduction.The supply voltage range of 2.8V to  
5.5V allows the use of a single Li+ cell, three NiMH cells  
or a regulated 5V input. The current mode control  
architecture enables very low duty cycle operation at  
high frequency with fast transient response and excellent  
loop stability. The ISL8022 operates at 2.25MHz  
switching frequency allowing the use of small, low cost  
inductors and capacitors. Each channel is optimized for  
generating an output voltage as low as 0.6V.  
• Dual 2A/1.7A High Efficiency Synchronous Buck  
Regulator with up to 97% Efficiency, Low iq (40µA)  
• 180° Out-of-Phase  
• Start-up with Pre-biased Output  
• Selectable Forced PWM Mode and PFM Mode  
• External Synchronization up to 8MHz  
• Negative Current Detection and Protection  
• 100% Maximum Duty Cycle for Lowest Dropout  
• Internal Current Mode Compensation  
• Peak Current Limiting, Hiccup Mode Short Circuit  
Protection and Over-Temperature Protection  
The ISL8022 has a user configurable mode of  
operation-forced PWM mode and PFM/PWM mode. The  
forced PWM mode operation reduces noise and RF  
interference while the PFM mode operation provides high  
efficiency by reducing switching losses at light loads. In  
PFM mode of operation, both channels draw a total  
quiescent current of only 40µA hence enabling high light  
load efficiency in order to maximize battery life.  
• Pb-Free (RoHs Compliant)  
Applications*(see page 17)  
• DC/DC POL Modules  
• µC/µP, FPGA and DSP Power  
• Plug-in DC/DC Modules for Routers and Switchers  
• Test and Measurement Systems  
• Li-ion Battery Powered Devices  
• Bar Code Readers  
The ISL8022 offers a 1ms Power-Good (PG) to monitor  
both outputs at power-up. When shutdown, ISL8022  
discharges the outputs capacitor. Other features include  
internal digital soft-start, enable for power sequence,  
overcurrent protection, and thermal shutdown. The  
ISL8022 is offered in a 4mmx3mm 12 Ld DFN package  
with 1mm maximum height. The complete converter  
Related Literature*(see page 17)  
• AN1554 “ISL8022EVAL1Z Dual 2A/1.7A Low  
Quiescent Current 2.25MHz High Efficiency  
Synchronous Buck Regulator”  
2
occupies less than 1.8cm area.  
Characteristics Curve  
100  
90  
80  
2.5V  
OUT1PFM  
2.5V  
OUT1PWM  
3.3V  
OUT2PFM  
70  
60  
50  
40  
3.3V  
OUT2 PWM  
2.25MHz 5V  
AT +25°C  
IN  
0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0  
OUTPUT LOAD (A)  
August 25, 2010  
FN7650.1  
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.  
1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc.  
Copyright Intersil Americas Inc. 2010. All Rights Reserved  
1
All other trademarks mentioned are the property of their respective owners.  
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