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ST763ACN PDF预览

ST763ACN

更新时间: 2024-11-01 04:02:19
品牌 Logo 应用领域
意法半导体 - STMICROELECTRONICS 转换器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

ST763ACN 技术参数

是否Rohs认证: 符合生命周期:Obsolete
零件包装代码:DIP包装说明:DIP, DIP8,.3
针数:8Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.83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 VJESD-30 代码:R-PDIP-T8
JESD-609代码:e3功能数量:1
端子数量:8最高工作温度:70 °C
最低工作温度:最大输出电流:2 A
封装主体材料:PLASTIC/EPOXY封装代码:DIP
封装等效代码:DIP8,.3封装形状:RECTANGULAR
封装形式:IN-LINE峰值回流温度(摄氏度):NOT SPECIFIED
认证状态:Not Qualified座面最大高度:4.8 mm
子类别:Switching Regulator or Controllers表面贴装:NO
切换器配置:BUCK最大切换频率:212.5 kHz
温度等级:COMMERCIAL端子面层:Matte Tin (Sn)
端子形式:THROUGH-HOLE端子节距:2.54 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:7.62 mm

ST763ACN 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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