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MIC2951-3.3BM PDF预览

MIC2951-3.3BM

更新时间： 2024-11-21 22:54:51
品牌 Logo 应用领域
麦瑞 - MICREL 线性稳压器IC调节器电源电路光电二极管
页数 文件大小 规格书
14页 147K
描述
150mA Low-Dropout Voltage Regulator

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中文翻译

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MIC2951-3.3BM 技术参数

是否Rohs认证： 不符合生命周期：Obsolete
包装说明：SOP,Reach Compliance Code：not_compliant
风险等级：5.81Is Samacsys：N
最大回动电压 1：0.6 V最大输入电压：30 V
最小输入电压：2 VJESD-30 代码：R-PDSO-G8
JESD-609代码：e0长度：4.93 mm
湿度敏感等级：1功能数量：1
端子数量：8工作温度TJ-Max：125 °C
工作温度TJ-Min：-40 °C最大输出电流 1：0.15 A
最大输出电压 1：29 V最小输出电压 1：1.24 V
标称输出电压 1：3.3 V封装主体材料：PLASTIC/EPOXY
封装代码：SOP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：FIXED POSITIVE LDO REGULATOR
座面最大高度：1.73 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：1.27 mm
端子位置：DUAL处于峰值回流温度下的最长时间：30
宽度：3.94 mmBase Number Matches：1

MIC2951-3.3BM 数据手册

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MIC2950/2951  
150mA Low-Dropout Voltage Regulator  
General Description  
Features  
The MIC2950 and MIC2951 are “bulletproof” micropower  
voltage regulators with very low dropout voltage (typically  
40mV at light loads and 250mV at 100mA), and very low  
quiescent current. Like their predecessors, the LP2950 and  
LP2951, the quiescent current of the MIC2950/MIC2951  
increases only slightly in dropout, thus prolonging battery life.  
The MIC2950/MIC2951 are pin for pin compatible with the  
LP2950/LP2951, but offer lower dropout, lower quiescent  
current,reversebattery,andautomotiveloaddumpprotection.  
•
•
•
•
•
•
•
•
•
Highaccuracy3.3,4.85,or5V,guaranteed150mAoutput  
Extremely low quiescent current  
Low-dropout voltage  
Extremely tight load and line regulation  
Very low temperature coefficient  
Use as regulator or reference  
Needs only 1.5µF for stability  
Current and thermal limiting  
UnregulatedDCinputcanwithstand–20Vreversebattery  
The key additional features and protection offered include  
higher output current (150mA), positive transient protection  
for up to 60V (load dump), and the ability to survive an  
unregulated input voltage transient of –20V below ground  
(reverse battery).  
and +60V positive transients  
•
•
•
Error flag warns of output dropout (MIC2951)  
Logic-controlled electronic shutdown (MIC2951)  
Output programmable from 1.24V to 29V (MIC2951)  
3
The plastic DIP and SOIC versions offer additional system  
functions such as programmable output voltage and logic  
controlled shutdown. The 3-pin TO-92 MIC2950 is pin-  
compatible with the older 5V regulators.  
These system functions also include 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 also available  
which enables the regulator to be switched on and off. This  
partmayalsobepin-strappedfora5Voutput,orprogrammed  
from 1.24 V to 29 V with the use of two external resistors.  
Block Diagram  
Unregulated  
DC Supply  
FB  
IN  
OUT  
5V/150mA  
Output  
SNS  
Error  
Amp.  
182k  
330k  
TAP  
SHDN  
60k  
TTL/CMOS  
Control Logic  
Input  
60mV  
Error Detection  
Comparator  
TTL/CMOS  
Compatible  
Error Output  
ERR  
GND  
1.5µF  
1.23V  
REF.  
MIC2951-0x  
February 1999  
3-49  
1234567...14

中文翻译

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MIC2951-3.3BM 替代型号

型号 品牌 替代类型 描述 数据表
MIC2951-02YM MICROCHIP

类似代替

 FIXED/ADJUSTABLE POSITIVE LDO REGULATOR, 0.6V DROPOUT, PDSO8
MIC2951-03YM MICROCHIP

类似代替

 FIXED/ADJUSTABLE POSITIVE LDO REGULATOR, 0.6V DROPOUT, PDSO8
LP2951CMX/NOPB TI

功能相似

 LP2950-N/LP2951-N Series of Adjustable Micropower Voltage Regulators

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