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L4988MD PDF预览

L4988MD

更新时间: 2024-11-07 01:06:47
品牌 Logo 应用领域
意法半导体 - STMICROELECTRONICS 信息通信管理光电二极管输出元件调节器
页数 文件大小 规格书
32页 969K
描述
Low drop voltage regulator

L4988MD 技术参数

是否Rohs认证: 符合生命周期:Active
零件包装代码:SOIC包装说明:ROHS COMPLIANT, SO20
针数:20Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.32可调性:FIXED
最大回动电压 1:0.5 V标称回动电压 1:0.27 V
最大绝对输入电压:40 V最大输入电压:31 V
最小输入电压:5.6 VJESD-30 代码:R-PDSO-G20
JESD-609代码:e4长度:12.8 mm
最大电网调整率:0.025%最大负载调整率:0.025%
湿度敏感等级:3功能数量:1
输出次数:1端子数量:20
工作温度TJ-Max:150 °C工作温度TJ-Min:-40 °C
最大输出电流 1:0.2 A最大输出电压 1:5.1 V
最小输出电压 1:4.9 V标称输出电压 1:5 V
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装等效代码:SOP20,.4封装形状:RECTANGULAR
封装形式:SMALL OUTLINE包装方法:TUBE
峰值回流温度(摄氏度):260认证状态:Not Qualified
调节器类型:FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR座面最大高度:2.65 mm
子类别:Other Regulators表面贴装:YES
技术:BICMOS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
最大电压容差:2%宽度:7.5 mm
Base Number Matches:1

L4988MD 数据手册

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L4988  
Low drop voltage regulator  
Datasheet production data  
Features  
Max DC supply voltage  
Max output voltage tolerance  
Max dropout voltage  
VS  
V0  
Vdp  
I0  
40V  
+/-2%  
500 mV  
200 mA  
75 µA(1)  
'!0'#&4ꢀꢀꢁꢂꢃ  
'!0'#&4ꢀꢀꢁꢂꢃ  
Output current  
Quiescent current  
Iqn  
SO-20  
SO-8  
1. Typical value with watchdog disabled.  
Description  
Operating DC supply voltage range 5.6V to  
The L4988 is a monolithic integrated 5V voltage  
regulator with a low drop voltage at currents up to  
200mA. The output voltage regulating element  
consists in a p-channel MOS and the regulation is  
performed regardless of input voltage transients  
up to 40V. The high precision of the output voltage  
is obtained with a pre-trimmed reference voltage.  
The L4988 is protected against short circuit and  
an over-temperature protection switches off the  
device in case of extremely high power dissipa-  
tion. The L4988 is active when the Enable is high.  
State of the art features like reset and watchdog  
make this device particularly suitable to supply  
microprocessor systems in automotive  
31V  
Reset circuit sensing the output voltage down  
to 1V  
Programmable reset pulse delay with external  
capacitor  
Watchdog  
Programmable watchdog timer with external  
capacitor  
Enable input for enabling/disabling the  
watchdog functionality  
Thermal shutdown and short circuit protection  
Wide temperature range (T = -40°C to 150°C)  
j
applications.  
Table 1.  
Device summary  
Package  
Order codes  
Tape & reel  
Tube  
SO8  
L4988D  
L4988DTR  
SO20 (16+2+2)  
L4988MD  
L4988MDTR  
September 2013  
Doc ID 13617 Rev 6  
1/32  
This is information on a product in full production.  
www.st.com  
1
 

L4988MD 替代型号

型号 品牌 替代类型 描述 数据表
L4988MDTR STMICROELECTRONICS

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Low drop voltage regulator

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