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LM26480QSQ-AA/NOPB PDF预览

LM26480QSQ-AA/NOPB

更新时间： 2024-11-23 12:09:43
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德州仪器 - TI 稳压器
页数 文件大小 规格书
37页 6798K
描述
LM26480 Externally Programmable Dual High-Current Step-Down DC/DC and Dual Linear Regulators

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LM26480QSQ-AA/NOPB 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active零件包装代码：QFN
包装说明：HVQCCN, LCC24,.16SQ,20针数：24
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：6 weeks
风险等级：1.57其他特性：ALSO OPERATES IN PFM; ADJUSTABLE FROM 0.8V TO 2V( BUCK1);ADJUSTABLE FROM 1.0V TO 3.3V( BUCK2)
模拟集成电路 - 其他类型：SWITCHING REGULATOR控制模式：VOLTAGE-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：S-XQCC-N24JESD-609代码：e3
长度：4 mm湿度敏感等级：1
功能数量：2端子数量：24
最高工作温度：125 °C最低工作温度：-40 °C
最大输出电流：2.4 A最大输出电压：2 V
最小输出电压：0.8 V封装主体材料：UNSPECIFIED
封装代码：HVQCCN封装等效代码：LCC24,.16SQ,20
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：0.8 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：2500 kHz技术：CMOS
温度等级：AUTOMOTIVE端子面层：Matte Tin (Sn)
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：NOT SPECIFIED
宽度：4 mmBase Number Matches：1

LM26480QSQ-AA/NOPB 数据手册

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LM26480  
www.ti.com  
SNVS543I –JANUARY 2008–REVISED MAY 2013  
LM26480 Externally Programmable Dual High-Current Step-Down DC/DC and Dual Linear  
Regulators  
Check for Samples: LM26480  
1
FEATURES  
DESCRIPTION  
The LM26480 is  
a
multi-functional Power  
2
•
Compatible with Advanced Applications  
Processors and FPGAs  
Management Unit, optimized for low-power digital  
applications. This device integrates two highly  
efficient 1.5A step-down DC/DC converters and two  
300 mA linear regulators. The LM26480 is offered in  
a tiny 4 x 4 x 0.8mm WQFN-24 pin package.  
•
2 LDOs for Powering Internal Processor  
Functions and I/Os  
•
•
•
•
•
Precision Internal Reference  
Thermal Overload Protection  
Current Overload Protection  
24-lead 4 × 4 × 0.8mm WQFN Package  
KEY SPECIFICATIONS  
•
Step-Down DC/DC Converter (Buck)  
–
–
–
–
–
–
–
–
1.5A output current  
External Power-On-Reset Function for Buck1  
and Buck2  
VOUT from:  
Buck1 : 0.8V–2.0V @ 1.5A  
Buck2 : 1.0V–3.3V @ 1.5A  
Up to 96% efficiency  
•
•
Undervoltage Lock-Out Detector to Monitor  
Input Supply Voltage  
Note: LM26480Q is an Automotive-Grade  
Product that is AECQ-100 Grade 1 Qualified.  
±3% FB voltage accuracy  
2 MHz PWM switching frequency  
APPLICATIONS  
PWM - PFM automatic mode change under  
low loads  
•
•
•
Core Digital Power  
Applications Processors  
Peripheral I/O Power  
–
Automatic soft start  
•
Linear Regulators (LDO)  
–
–
–
–
VOUT of 1.0V–3.5V  
±3% FB voltage accuracy  
300 mA output current  
25 mV (typ) dropout  
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
2
All trademarks are the property of their respective owners.  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2008–2013, Texas Instruments Incorporated  
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LM26480QSQ-AA/NOPB 替代型号

型号 品牌 替代类型 描述 数据表
LM26480QSQX-AA/NOPB TI

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 LM26480 Externally Programmable Dual High-Current Step-Down DC/DC and Dual Linear Regulat

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