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MIC2954-02YZ PDF预览

MIC2954-02YZ

更新时间： 2024-11-22 10:57:11
品牌 Logo 应用领域
麦瑞 - MICREL 稳压器调节器输出元件
页数 文件大小 规格书
15页 521K
描述
250mA Low-Dropout Regulator

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中文翻译

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MIC2954-02YZ 技术参数

是否Rohs认证： 符合生命周期：Obsolete
零件包装代码：TO-92包装说明：TO-92, SIP3,.1,50
针数：3Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.65可调性：FIXED
最大回动电压 1：0.6 V标称回动电压 1：0.375 V
最大绝对输入电压：60 V最大输入电压：30 V
最小输入电压：2 VJESD-30 代码：O-XBCY-T3
JESD-609代码：e3最大电网调整率：0.2%
最大负载调整率：0.01%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：-40 °C
最大输出电流 1：0.25 A最大输出电压 1：5.07 V
最小输出电压 1：4.93 V标称输出电压 1：5 V
封装主体材料：UNSPECIFIED封装代码：TO-92
封装等效代码：SIP3,.1,50封装形状：ROUND
封装形式：CYLINDRICAL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
子类别：Other Regulators表面贴装：NO
技术：BIPOLAR端子面层：Matte Tin (Sn)
端子形式：THROUGH-HOLE端子节距：1.27 mm
端子位置：BOTTOM处于峰值回流温度下的最长时间：40
最大电压容差：1.4%Base Number Matches：1

MIC2954-02YZ 数据手册

 浏览型号MIC2954-02YZ的Datasheet PDF文件第2页浏览型号MIC2954-02YZ的Datasheet PDF文件第3页浏览型号MIC2954-02YZ的Datasheet PDF文件第4页浏览型号MIC2954-02YZ的Datasheet PDF文件第5页浏览型号MIC2954-02YZ的Datasheet PDF文件第6页浏览型号MIC2954-02YZ的Datasheet PDF文件第7页 
MIC2954  
250mA Low-Dropout Regulator  
General Description  
Features  
The MIC2954 is a “bulletproof” efficient voltage regulator  
with very low dropout voltage (typically 40mV @ light loads  
and 375mV @ 250mA), and low quiescent current (120µA  
typical). The quiescent current of the MIC2954 increases  
only slightly in dropout, thus prolonging battery life. Key  
MIC2954 features include protection against reversed  
battery, fold-back current limiting, and automotive load  
dump protection (60V positive transient).  
• High-accuracy 5V, guaranteed 250mA output  
• Low quiescent current  
• Low dropout voltage  
• Extremely tight load and line regulation  
• Very low temperature coefficient  
• Current and thermal limiting  
• Input can withstand –20V reverse battery and+60V  
positive transients  
The MIC2954-07/08BM is an adjustable version that  
includes an error flag output that warns of a low output  
voltage, which is often due to failing batteries on the input.  
This may also be used as a power-on reset. A logic-  
compatible shutdown input is provided which enables the  
regulator to be switched on and off. This part may be pin-  
strapped for 5V output, or programmed from 1.24V to 29V  
with the use of two external resistors.  
• Error flag warns of low output voltage  
• Logic-controlled electronic shutdown  
• Output programmable from 1.24V to 29V  
(MIC2954-07/08)  
• Available in TO-220, TO-92, and surface-mount SOT-  
223 and SOIC-8 packages  
Applications  
The MIC2954 is available in two voltage tolerances, ±0.5%  
maximum and ±1% maximum. Both are guaranteed for  
junction temperatures from –40°C to +125°C.  
• Battery powered equipment  
• Cellular telephones  
• Laptop, notebook, and palmtop computers  
• PCMCIA VCC and VPP regulation/switching  
• Bar code scanners  
Data sheets and support documentation can be found on  
Micrel’s web site at www.micrel.com.  
• Automotive electronics  
• SMPS post-regulator/dc-to-dc modules  
• Voltage reference  
• High-efficiency linear power supplies  
___________________________________________________________________________________________________________  
Ordering Information  
Part Number  
Junction  
Pb-Free /  
Accuracy  
0.5%  
Temp. Range  
Package  
TO-220-3  
TO-220-3  
SOT-223-3  
SOT-223-3  
TO-92-3**  
TO-92-3**  
8-Pin SOIC  
8-Pin SOIC  
Standard  
RoHS Compliant  
MIC2954-02BT  
MIC2954-03BT  
MIC2954-02BS  
MIC2954-03BS  
MIC2954-02BZ  
MIC2954-03BZ  
MIC2954-07BM  
MIC2954-08BM  
MIC2954-02WT*  
MIC2954-03WT*  
MIC2954-02WS*  
MIC2954-03WS*  
MIC2954-02YZ  
MIC2954-03YZ  
MIC2954-07YM  
MIC2954-08YM  
–40° to +125°C  
–40° to +125°C  
–40° to +125°C  
–40° to +125°C  
–40° to +125°C  
–40° to +125°C  
–40° to +125°C  
–40° to +125°C  
1.0%  
0.5%  
1.0%  
0.5%  
1.0%  
0.5%  
1.0%  
*
RoHS compliant with ‘high-melting solder’ exemption.  
** TO-92 package discontinuance notification issued September 2007. End-of-life-buy offered thru December 31, 2007.  
Contact factory for additional information.  
Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com  
M9999-090607  
September 2007  
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中文翻译

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