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ST730ABD-TR PDF预览

ST730ABD-TR

更新时间: 2024-11-02 22:05:15
品牌 Logo 应用领域
意法半导体 - STMICROELECTRONICS 转换器稳压器开关式稳压器或控制器电源电路开关式控制器光电二极管DC-DC转换器
页数 文件大小 规格书
9页 262K
描述
5V STEP-DOWN, CURRENT-MODE PWM DC-DC CONVERTERS

ST730ABD-TR 技术参数

是否无铅:含铅是否Rohs认证:符合
生命周期:Obsolete零件包装代码:SOIC
包装说明:SO-8针数:8
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.77
Is Samacsys:N模拟集成电路 - 其他类型:SWITCHING REGULATOR
控制模式:CURRENT-MODE控制技术:PULSE WIDTH MODULATION
最大输入电压:11 V最小输入电压:4 V
标称输入电压:5 VJESD-30 代码:R-PDSO-G8
JESD-609代码:e4长度:4.9 mm
功能数量:1端子数量:8
最高工作温度:85 °C最低工作温度:-40 °C
最大输出电流:2 A封装主体材料:PLASTIC/EPOXY
封装代码:SOP封装等效代码:SOP8,.25
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
峰值回流温度(摄氏度):NOT SPECIFIED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:BUCK
最大切换频率:280 kHz技术:CMOS
温度等级:INDUSTRIAL端子面层:Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:3.9 mmBase Number Matches:1

ST730ABD-TR 数据手册

 浏览型号ST730ABD-TR的Datasheet PDF文件第2页浏览型号ST730ABD-TR的Datasheet PDF文件第3页浏览型号ST730ABD-TR的Datasheet PDF文件第4页浏览型号ST730ABD-TR的Datasheet PDF文件第5页浏览型号ST730ABD-TR的Datasheet PDF文件第6页浏览型号ST730ABD-TR的Datasheet PDF文件第7页 
ST730A  
5V STEP-DOWN,  
CURRENT-MODE PWM DC-DC CONVERTERS  
UP TO 450mA LOAD CURRENTS  
200kHz HIGH-FREQUENCY  
CURRENT-MODE PWM  
85% TO 96% EFFICIENCIES  
33µH OR 100µH PRE-SELECTED  
INDUCTOR VALUE, NO COMPONENT  
DESIGN REQUIRED  
0.8mA QUIESCENT CURRENT  
0.3µA SHUTDOWN SUPPLY CURRENT  
ADJUSTABLE OUTPUT VOLTAGE  
OVERCURRENT, SOFT-START AND  
UNDERVOLTAGE LOCKOUT PROTECTION  
CYCLE-BY-CYCLE CURRENT LIMITING  
PACKAGE AVAILABLE: DIP-8 AND SO-8  
DIP-8  
SO-8  
precise output regulation and excellent transient  
responses. Output voltage accuracy is  
guaranteed to be ±5% over line, load, and  
temperature varations.  
Fixed-frequency switching and absence of  
subharmonic ruipple allows easy filtering of output  
ripple and noise, as well as the use of small  
external components. This regulators require only  
DESCRIPTION  
The ST730A is a 5V output CMOS, step-down  
switching regulator. The ST730A accepts inputs  
between 5.2V and 11V and delivers 450mA.  
Typical efficiencies are 85% to 96%.  
Quiescent supply current is 0.8mA and only 0.3µA  
in shutdown mode. The output does not exhibit  
frequency over this specified range. Pulse-width  
modulation (PWM) current-mode control provides  
a
single inductor value to work in most  
applications, so no inductor design is necessary.  
Typical applications are: Cellular phones & radios,  
portable Instruments, Portable Communications  
Equipments and Computer Peripherals.  
SCHEMATIC DIAGRAM  
January 2003  
1/9  

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