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L4957AD2.5TR PDF预览

L4957AD2.5TR

更新时间: 2024-11-14 04:21:19
品牌 Logo 应用领域
意法半导体 - STMICROELECTRONICS 稳压器
页数 文件大小 规格书
12页 121K
描述
Up to 5A ULDO linear regulator

L4957AD2.5TR 技术参数

是否Rohs认证: 符合生命周期:Obsolete
零件包装代码:D2PAK包装说明:, SMSIP3H,.55TB
针数:3Reach Compliance Code:not_compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.81可调性:FIXED
最大回动电压 1:0.6 V最大绝对输入电压:16 V
最大输入电压:14 V最小输入电压:3 V
JESD-30 代码:R-PSSO-G3JESD-609代码:e3
长度:10.14 mm湿度敏感等级:1
功能数量:1输出次数:1
端子数量:3工作温度TJ-Max:125 °C
工作温度TJ-Min:最大输出电流 1:5 A
最大输出电压 1:2.55 V最小输出电压 1:2.45 V
标称输出电压 1:2.5 V封装主体材料:PLASTIC/EPOXY
封装等效代码:SMSIP3H,.55TB封装形状:RECTANGULAR
封装形式:SMALL OUTLINE包装方法:TAPE AND REEL
峰值回流温度(摄氏度):245认证状态:Not Qualified
调节器类型:FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR座面最大高度:4.83 mm
子类别:Other Regulators表面贴装:YES
技术:BCD端子面层:Matte Tin (Sn)
端子形式:GULL WING端子节距:2.54 mm
端子位置:SINGLE处于峰值回流温度下的最长时间:30
最大电压容差:2%宽度:9.15 mm

L4957AD2.5TR 数据手册

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L4957A  
Up to 5A ULDO linear regulator  
General features  
1.5V, 1.8V, 2.5V and 3.3V fixed output voltage  
3V to 14V input voltage range  
3
1
200mR  
typical @ t = 125°C  
J
DS(on)  
0.6V max. drop-out at 2A  
Excellent load regulation  
0.6mA quiescent current at any load  
Short circuit protection  
2
D PAK  
Description  
The L4957AD devices are Ultra Low Drop Output  
linear regulators with an internal N-channel  
MOSFET of 200mparticulary suitable for low  
voltage/low dropout applications.  
Thermal shutdown  
Applications  
Mother boards  
Operating with a input voltage from 3V to 14V  
they are capable to deliver up to 5A.  
Processor I/O & supplies  
Low voltage memory & chip set supplies  
Graphic & sound cards  
Low voltage logic supplies  
Post regulator for SMPS  
The devices are ideal for use as one of the  
suppliesrequired by processor, for example they  
are the cost effective and efficient solution for  
conversion from 3.3V (rail bus) to 2.5V @ 2.5A or  
to 1.5V with high current rating.  
Fast response transient minimise the output  
capacitor value. A minimum of 22µF assures the  
stability in all load conditions.  
The on-chip trimming technique offers a tighter  
voltage reference tolerance (with ± 2% including  
line and load variation) beside to ensure a  
controlled short circuit current. Thermal shutdown  
provides protection against overload conditions  
that creates excessive junction temperature.  
Order codes  
Part number  
Tube  
Tape and Reel  
L4957AD1.5  
L4957AD1.8  
L4957AD2.5  
L4957AD3.3  
L4957AD1.5TR  
L4957AD1.8TR  
L4957AD2.5TR  
L4957AD3.3TR  
April 2006  
Rev 6  
1/12  
www.st.com  
12  

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