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L5971 PDF预览

L5971

更新时间: 2024-01-25 10:20:42
品牌 Logo 应用领域
意法半导体 - STMICROELECTRONICS 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
页数 文件大小 规格书
11页 98K
描述
1.5A STEP DOWN SWITCHING REGULATOR

L5971 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Obsolete零件包装代码:SOIC
包装说明:SO-16针数:16
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.81
Is Samacsys:N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:28 V最小输入电压:6.5 V
标称输入电压:12 VJESD-30 代码:R-PDSO-G16
JESD-609代码:e4长度:10.3 mm
湿度敏感等级:3功能数量:1
端子数量:16最大输出电流:3 A
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装等效代码:SOP16,.4封装形状:RECTANGULAR
封装形式:SMALL OUTLINE峰值回流温度(摄氏度):260
认证状态:Not Qualified座面最大高度:2.65 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:300 kHz
技术:BCDMOS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:30
宽度:7.5 mmBase Number Matches:1

L5971 数据手册

 浏览型号L5971的Datasheet PDF文件第1页浏览型号L5971的Datasheet PDF文件第2页浏览型号L5971的Datasheet PDF文件第4页浏览型号L5971的Datasheet PDF文件第5页浏览型号L5971的Datasheet PDF文件第6页浏览型号L5971的Datasheet PDF文件第7页 
L5971  
THERMAL DATA  
Symbol  
Parameter  
Minidip  
SO16  
Unit  
Rth(j-amb) Thermal Resistance Junction to ambient  
Max.  
90 (*)  
110 (*)  
°C/W  
(*) Package mounted on board.  
ABSOLUTE MAXIMUM RATINGS  
Symbol  
Parameter  
Value  
Unit  
Minidip  
V5, V3  
V4  
S016  
V11, V4  
V5,V6  
Input voltage  
30  
V
Output DC voltage  
-1  
-5  
V
V
Output peak voltage at t = 0.1µs f=200KHz  
I4  
V6-V5  
V6  
I5,I6  
V12-V11  
V12  
Maximum output current  
int. limit.  
14  
V
V
V
Bootstrap voltage  
45  
V7,V2  
V8  
V13,V3  
V14  
Analogs input voltage (VCC = 12V)  
(VCC = 20V)  
10  
6
-0.3  
V
V
Ptot  
Power dissipation a Tamb 60°C  
Minidip  
SO16  
1
W
W
°C  
0.8  
Tj,Tstg  
Junction and storage temperature  
-40 to 150  
ELECTRICAL CHARACTERISTICS (Tj = 25°C, Cosc = 2.7nF, Rosc = 20k, VCC = 12V, unless other-  
wise specified.) * Specification Refered to Tj from 0 to 125°C  
Symbol  
Parameter  
Test Condition  
Min.  
Typ.  
Max.  
Unit  
DYNAMIC CHARACTERISTIC  
VI  
Operating input voltage range  
*
*
6.5  
28  
1.273  
1.285  
1.31  
0.55  
0.88  
3
V
V
Vo  
Output voltage  
Io = 0.5A  
Io = 0.2 to 1.5A  
cc = 6.5 to 25V  
1.247  
1.235  
1.21  
1.26  
1.26  
1.26  
0.44  
V
V
V
Vd  
Il  
Dropout voltage  
Vcc = 10V; Io = 1.5A  
V
*
*
V
Maximum limiting current  
Efficiency  
Vcc = 6.5 to 25V  
2
2.5  
85  
A
Vo = 3.3V; Io = 1.5A  
%
KHz  
dB  
fs  
Switching frequency  
*
90  
60  
100  
110  
6
SVRR  
Supply voltage ripple rejection Vi = Vcc+2VRMS; Vo = Vref;  
Io = 1.5A; f ripple = 100Hz  
Voltage stability of switching  
frequency  
Vcc = 6.5 to 25V  
3
4
%
%
Temp. stability of switching  
frequency  
Tj = 0 to 125°C  
Soft Start  
Soft start charge current  
30  
6
40  
10  
50  
14  
µA  
µA  
Soft start discharge current  
Inhibit  
VLL  
Low level voltage  
Isource Low level  
*
*
0.9  
15  
V
IsLL  
5
µA  
3/11  

L5971 替代型号

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