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MIC2941ABUT&R PDF预览

MIC2941ABUT&R

更新时间: 2024-11-22 13:02:27
品牌 Logo 应用领域
麦瑞 - MICREL 稳压器
页数 文件大小 规格书
11页 325K
描述
Adjustable Positive LDO Regulator, 1.24V Min, 26V Max, 0.6V Dropout, BIPolar, PSSO5, TO-263, 5 PIN

MIC2941ABUT&R 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
零件包装代码:D2PAK包装说明:TO-263,
针数:4Reach Compliance Code:not_compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.11最大回动电压 1:0.6 V
JESD-30 代码:R-PSSO-G5JESD-609代码:e0
长度:10.363 mm湿度敏感等级:3
功能数量:1端子数量:5
工作温度TJ-Max:125 °C工作温度TJ-Min:-40 °C
最大输出电流 1:1.25 A最大输出电压 1:26 V
最小输出电压 1:1.24 V封装主体材料:PLASTIC/EPOXY
封装代码:TO-263封装形状:RECTANGULAR
封装形式:SMALL OUTLINE峰值回流温度(摄氏度):240
认证状态:Not Qualified调节器类型:ADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR
座面最大高度:4.902 mm表面贴装:YES
技术:BIPOLAR端子面层:Tin/Lead (Sn85Pb15)
端子形式:GULL WING端子节距:1.702 mm
端子位置:SINGLE处于峰值回流温度下的最长时间:30
宽度:8.7755 mmBase Number Matches:1

MIC2941ABUT&R 数据手册

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MIC2940A/2941A  
1.2A Low-Dropout Voltage Regulator  
General Description  
Features  
The MIC2940A and MIC2941A are “bulletproof” efficient  
voltage regulators with very low dropout voltage (typically  
40mV at light loads and 350mV at 1A), and low quiescent  
current (240µA typical). The quiescent current of the  
MIC2940A increases only slightly in dropout, thus  
prolonging battery life. Key MIC2940A features include  
protection against reversed battery, fold-back current  
limiting, and automotive “load dump” protection (60V  
positive transient).  
High output voltage accuracy  
Guaranteed 1.25A output  
Low quiescent current  
Low dropout voltage  
Extremely tight load and line regulation  
Very low temperature coefcient  
Current and thermal limiting  
Input can withstand –20V reverse battery and +60V  
positive transients  
Logic-controlled electronic shutdown  
Output programmable from 1.24V to 26V(MIC2941A)  
Available in TO-220, TO-263, TO-220-5, and TO-263-5  
packages.  
The MIC2940 is available in both xed voltage (3.3V, 5V,  
and 12V) and adjustable voltage congurations. The  
MIC2940A-xx devices are three pin, xed voltage  
regulators. A logic-compatible shutdown input is provided  
on the adjustable MIC2941A, which enables the regulator  
to be switched on and off.  
Data sheets and support documentation can be found on  
Micrel’s web site at: www.micrel.com.  
Applications  
Battery powered equipment  
Cellular telephones  
Laptop, notebook, and palmtop computers  
PCMCIA VCC and VPP regulation/switching  
Bar code scanners  
Automotive electronics  
SMPS post-regulator/ DC-to-DC modules  
Voltage reference  
High efficiency linear power supplies  
___________________________________________________________________________________________________________  
Pin Configuration  
1
2
3
4
5
1
2
3
TO-263-5  
(MIC2941ABU/WU)  
TO-263-3  
(MIC2940A-xxBU/WU)  
MIC2941A Pinout  
MIC2940A Pinout  
1) Input  
2) Ground  
3) Output  
1
2
3
1
2
3
4
5
1) Adjust  
2) Shutdown  
3) Ground  
4) Input  
TO-220-3  
(MIC2940A-xxBT/WT)  
TO-220-5  
(MIC2941ABT/WT)  
5) Output  
The TAB is Ground on TO-220 and TO-263 packages  
Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com  
M9999-071307  
July 2007  

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