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MIC2920A-4.8BT

更新时间： 2024-11-21 22:38:47
品牌 Logo 应用领域
麦瑞 - MICREL 稳压器调节器输出元件局域网
页数 文件大小 规格书
9页 134K
描述
400mA Low-Dropout Voltage Regulator

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中文翻译

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MIC2920A-4.8BT 技术参数

是否Rohs认证： 不符合生命周期：Obsolete
包装说明：TO-220, 3 PINReach Compliance Code：not_compliant
风险等级：5.49可调性：FIXED
最大回动电压 1：0.75 V标称回动电压 1：0.4 V
最大绝对输入电压：60 V最大输入电压：26 V
最小输入电压：4.3 VJESD-30 代码：R-XSFM-T3
JESD-609代码：e0最大电网调整率：0.0194%
最大负载调整率：0.0146%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 1：0.4 A最大输出电压 1：5.044 V
最小输出电压 1：4.656 V标称输出电压 1：4.85 V
封装主体材料：UNSPECIFIED封装代码：TO-220
封装等效代码：SIP3,.1TB封装形状：RECTANGULAR
封装形式：FLANGE MOUNT峰值回流温度（摄氏度）：240
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：Tin/Lead (Sn85Pb15)
端子形式：THROUGH-HOLE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：2.5%Base Number Matches：1

MIC2920A-4.8BT 数据手册

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MIC2920A/29201/29202/29204  
400mA Low-Dropout Voltage Regulator  
General Description  
Features  
•
•
•
•
•
•
•
•
High output voltage accuracy  
The MIC2920A family are “bulletproof,” efficient voltage  
regulators with very low dropout voltage (typically 40mV at  
light loads and 370mV at 250mA), and very low quiescent  
current(140µAtypical).ThequiescentcurrentoftheMIC2920A  
increases only slightly in dropout, prolonging battery life. Key  
MIC2920Afeaturesincludeprotectionagainstreversedbattery,  
fold-back current limiting, and automotive “load dump”  
protection (60V positive transient).  
Guaranteed 400mA output  
Low quiescent current  
Low dropout voltage  
Extremely tight load and line regulation  
Very low temperature coefficient  
Current and thermal limiting  
Input withstands –20V reverse battery and  
60V positive transients  
The MIC2920 is available in several configurations. The  
MIC2920A-x.x devices are three pin fixed voltage regulators  
available in 3.3V, 4.85V, 5V, and 12V outputs. The MIC29201  
is a fixed regulator offering a logic compatible ON/OFF  
(shutdown) input and an error flag output. This flag may also  
be used as a power-on reset signal. A logic-compatible  
shutdown input is provided on the adjustable MIC29202  
which allows the regulator to be switched on and off. The  
MIC29204 8-pin SOIC adjustable regulator includes both  
shutdown and error flag pins and may be pin-strapped for 5V  
output or programmed from 1.24V to 26V using two external  
resistors.  
•
•
•
Error flag warns of output dropout  
Logic-controlled electronic shutdown  
Output programmable from 1.24V to 26V  
(MIC29202/MIC29204)  
Available in TO-220, TO-220-5, and surface-mount  
TO-263-5, SOT-223, and SO-8 packages.  
•
3
Applications  
•
•
•
•
•
•
•
•
•
Battery-powered equipment  
Cellular telephones  
Laptop, notebook, and palmtop computers  
PCMCIA VCC and VPP regulation/switching  
Bar code scanners  
Automotive electronics  
SMPS post-regulators  
Voltage reference  
High-efficiency linear power supplies  
Pin Configuration  
TAB  
OUTPUT  
SENSE  
INPUT  
NC  
1
2
3
4
8
7
6
5
SHUTDOWN  
GROUND  
NC  
1
2
3
ERROR  
INPUT  
OUTPUT  
MIC29201-3.3BM (SO-8)  
GROUND  
MIC2920A-x.xBS  
(SOT-223)  
OUTPUT  
SENSE  
INPUT  
1
2
3
4
8
7
6
5
ADJUST  
5V TAP  
ERROR  
SHUTDOWN  
GROUND  
MIC29204BM (SO-8)  
1
2 3 4 5  
1
2
3
5-Lead Package Pinouts  
MIC29201 MIC29202  
INPUT OUTPUT  
GROUND  
1) Error  
Adjust  
MIC2920A-xxBT  
(TO-220)  
MIC29201/29202BT  
(TO-220-5)  
1
2 3 4 5  
2) Input  
Shutdown  
Ground  
Input  
3) Ground  
4) Output  
5) Shutdown  
MIC29201/29202BU  
(TO-263-5)  
Output  
Tab is Ground on SOT-223, TO-220, and TO-263 packages.  
January 1998  
3-9  
1234567...9

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