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ST763ABD PDF预览

ST763ABD

更新时间: 2024-10-31 22:50:07
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
10页 254K
描述
3.3V STEP DOWN CURRENT MODE PWM DC-DC CONVERTERS

ST763ABD 技术参数

是否Rohs认证:不符合生命周期:Obsolete
零件包装代码:SOIC包装说明:LEAD FREE, SOP-8
针数:8Reach Compliance Code:not_compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.91Is 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:3.3 V标称输入电压:5 V
JESD-30 代码:R-PDSO-G8JESD-609代码:e0
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:212.5 kHz
温度等级:INDUSTRIAL端子面层:Tin/Lead (Sn/Pb)
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

ST763ABD 数据手册

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ST763A  
SERIES  
3.3V STEP DOWN  
CURRENT MODE PWM DC-DC CONVERTERS  
OUTPUT VOLTAGE 3.3V  
SUPPLY VOLTAGE RANGE FROM 3.3V TO  
11V  
GUARANTEED OUTPUT CURRENT: 500mA  
TYPICAL OPERATION FREQUENCY:  
200KHz  
VERY LOW QUIESCENT CURRENT: 0.6mA  
ON MODE 0.2µA OFF MODE  
DIP-8  
SO-8  
SWITCH ON/OFF CONTROL  
TYPICAL EFFICENCY: 90%  
OPERATING TEMPERATURE RANGE:  
-40°C TO 85°C  
AVAILABLE IN SO-8 AND DIP-8 PACKAGES  
components is used and the fixed frequency  
switching allows easy filtering of output ripple and  
noise.  
Other features of this ddevice are cycle-by-clicle  
current limiting, overcurrent limiting, under voltage  
lockout and programmable soft-start protection.  
A 22µH inductor works in most applications, so no  
sophisticated design is necessary.  
Package available are SO-8 and DIP-8.  
Typical application are in 5V to 3.3V converters,  
cellular phones, portable instruments, hand-held  
computers, and peripherals.  
DESCRIPTION  
The ST763A is a step-down switching regulator . It  
operates from 3.3V to 11V giving a fixed 3.3V  
output voltage, delivering up to 500mA. The  
mainly features are typical efficiency of 90%,  
quiescent current of 0.6mA, and only 0.2µA in  
shut-down.  
The PWM current mode control provides precise  
output regulation and very good transient  
response. Output voltage accuracy is guaranteed  
to be ±5% over line, load and temperature  
variations.  
A
minimum number of external  
SCHEMATIC DIAGRAM  
November 2000  
1/10  

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