LMQ62440-Q1
ZHCSM24A –MARCH 2020 –REVISED SEPTEMBER 2020
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内容
1 特性................................................................................... 1
2 应用................................................................................... 1
3 说明................................................................................... 1
4 修订历史记录.....................................................................2
5 器件比较表.........................................................................2
6 引脚配置和功能................................................................. 3
引脚功能............................................................................3
7 规格................................................................................... 4
7.1 绝对最大额定值...........................................................4
7.2 ESD 等级.................................................................... 4
7.3 建议运行条件.............................................................. 4
7.4 热性能信息..................................................................5
7.5 电气特性......................................................................5
7.6 计时特性......................................................................7
7.7 系统特性......................................................................9
7.8 绝对最大额定值.........................................................10
7.9 ESD 等级.................................................................. 10
7.10 典型特性..................................................................11
8 详细说明.......................................................................... 13
8.1 概述...........................................................................13
8.2 功能方框图................................................................14
8.3 特性说明....................................................................15
8.4 器件功能模式............................................................ 24
9 应用和实施.......................................................................30
9.1 应用信息....................................................................30
9.2 典型应用....................................................................30
9.3 应用曲线....................................................................36
10 电源相关建议.................................................................43
11 布局................................................................................44
11.1 布局指南..................................................................44
11.2 布局示例..................................................................46
12 器件和文档支持............................................................. 47
12.1 文档支持..................................................................47
12.2 接收文档更新通知................................................... 47
12.3 支持资源..................................................................47
12.4 商标.........................................................................47
12.5 静电放电警告.......................................................... 47
12.6 术语表..................................................................... 47
13 机械、封装和可订购信息...............................................47
4 修订历史记录
注：以前版本的页码可能与当前版本的页码不同
Changes from Revision * (March 2020) to Revision A (September 2020)
Page
• 将器件状态从“预告信息”更改为“量产数据”................................................................................................ 1
• 更新了整个文档中的表、图和交叉参考的编号格式.............................................................................................1
5 器件比较表
器件
可订购器件型号
参考器件型号
轻负载模式
引脚可选
引脚可选
引脚可选
展频
输出电压
可调节
3.3V
开关频率
2.1MHz
2.1MHz
2.1MHz
LMQ62440APPQRJRRQ1
LMQ62440BPPQRJRRQ1
LMQ62440CPPQRJRRQ1
LMQ62440APP-Q1
LMQ62440BPP-Q1
LMQ62440CPP-Q1
引脚可选
引脚可选
引脚可选
LMQ62440-
Q1
5V
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