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L4946B PDF预览

L4946B

更新时间: 2024-09-25 22:47:23
品牌 Logo 应用领域
意法半导体 - STMICROELECTRONICS 线性稳压器IC调节器电源电路输出元件局域网
页数 文件大小 规格书
9页 91K
描述
QUAD VOLTAGE REGULATOR WITH INHIBIT AND RESET

L4946B 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:Obsolete零件包装代码:ZFM
包装说明:MULTIWATT-11针数:11
Reach Compliance Code:not_compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.78
Is Samacsys:N可调性:FIXED
最大回动电压 1:0.6 V最大回动电压 2:0.6 V
最大绝对输入电压:26.5 V最大输入电压:16 V
最小输入电压:10.5 VJESD-30 代码:R-PZFM-T11
JESD-609代码:e0最大电网调整率:0.05%
最大负载调整率:0.15%功能数量:1
输出次数:4端子数量:11
工作温度TJ-Max:150 °C最高工作温度:85 °C
最低工作温度:-40 °C最大输出电流 1:0.125 A
最大输出电流 2:0.25 A最大输出电压 1:10.5 V
最小输出电压 1:9.5 V标称输出电压 1:10 V
最大输出电压 2:8.4 V最小输出电压 2:7.6 V
标称输出电压 2:8 V封装主体材料:PLASTIC/EPOXY
封装代码:ZIP封装等效代码:ZIP11,.2,.17,67TB
封装形状:RECTANGULAR封装形式:FLANGE MOUNT
峰值回流温度(摄氏度):NOT SPECIFIED认证状态:Not Qualified
调节器类型:FIXED POSITIVE MULTIPLE OUTPUT LDO REGULATOR子类别:Other Regulators
表面贴装:NO技术:BCD
端子面层:Tin/Lead (Sn/Pb)端子形式:THROUGH-HOLE
端子节距:1.7 mm端子位置:ZIG-ZAG
处于峰值回流温度下的最长时间:NOT SPECIFIED最大电压容差:5%
Base Number Matches:1

L4946B 数据手册

 浏览型号L4946B的Datasheet PDF文件第2页浏览型号L4946B的Datasheet PDF文件第3页浏览型号L4946B的Datasheet PDF文件第4页浏览型号L4946B的Datasheet PDF文件第5页浏览型号L4946B的Datasheet PDF文件第6页浏览型号L4946B的Datasheet PDF文件第7页 
L4946B  
QUAD VOLTAGE REGULATOR WITH INHIBIT AND RESET  
MULTIPOWER BCD TECHNOLOGY  
4 OUTPUTS: 10V (125mA); 8.5V (250mA); 5V  
(200mA); 5V (100mA)  
10V AND 5V (100mA) OUTPUT ARE LOW  
DROP  
5V (100mA) ST-BY OUTPUT VOLTAGE  
EARLY WARNING OUTPUT FOR SUPPLY  
UNDERVOLTAGE (LVW)  
THERMAL SHUTDOWN AND CURRENT  
LIMITATION (FOLDBACK)  
REVERSE BATTERY AND LOAD DUMP  
PROTECTION  
INHIBIT (ON/OFF) AND RESET FUNCTIONS  
Multiwatt 11  
ORDERING NUMBER: L4946B  
DESCRIPTION  
The L4946B is a quad output low drop voltage  
regulator. The four outputs are a low drop 10V at  
125mA (VO1), a 8.5V at 250mA (VO2), a 5V at  
200mA (VO3) and a low drop 5V st-by line at  
100mA (VO4).  
The STCAP pin allows the battery voltage to de-  
cay slowly giving the P time to store data. This  
µ
IC is designed for supplying microcomputer con-  
trolled systems specially in automotive applica-  
tions.  
The IC includes a monitoring circuit to warn if a  
low voltage or no voltage condition is occurring.  
V
O1,2,3 are off during st-by mode.  
BLOCK DIAGRAM  
L4946B  
125mA  
8.5V  
250mA  
200mA  
June 2000  
1/9  

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