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MIC5239-1.8BSTR PDF预览

MIC5239-1.8BSTR

更新时间： 2024-11-05 13:11:31
品牌 Logo 应用领域
麦瑞 - MICREL 稳压器调节器光电二极管输出元件
页数 文件大小 规格书
14页 773K
描述
Regulator, 1 Output, 1.8V1, BIPolar

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MIC5239-1.8BSTR 技术参数

是否Rohs认证： 不符合生命周期：Obsolete
包装说明：, SOT-223Reach Compliance Code：not_compliant
风险等级：5.88可调性：FIXED
标称回动电压 1：0.35 V最大绝对输入电压：6 V
JESD-609代码：e0最大电网调整率：0.009%
最大负载调整率：0.03%湿度敏感等级：2
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 1：0.5 A标称输出电压 1：1.8 V
封装主体材料：PLASTIC/EPOXY封装等效代码：SOT-223
包装方法：TAPE AND REEL认证状态：Not Qualified
子类别：Other Regulators表面贴装：YES
技术：BIPOLAR端子面层：Tin/Lead (Sn85Pb15)
最大电压容差：2%Base Number Matches：1

MIC5239-1.8BSTR 数据手册

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MIC5239  
Low Quiescent Current 500mA µCap  
LDO Regulator  
General Description  
Features  
The MIC5239 is a low quiescent current, µCap low-dropout  
regulator. With a maximum operating input voltage of 30V  
and a quiescent current of 23µA, it is ideal for supplying  
keep-alive power in systems with high voltage batteries.  
• Ultra-low quiescent current (IQ = 23µA @IO = 100µA)  
• Continuous 500mA output current  
• Wide input range: 2.3V to 30V  
• Low dropout voltage: 350mV @500mA  
• ±1.0% initial output accuracy  
• Stable with ceramic or tantalum output capacitor  
• Logic compatible enable input  
• Low output voltage error flag indicator  
• Overcurrent protection  
Capable of 500mA output, the MIC5239 has a dropout  
voltage of only 350mV. It can provide high output current  
for applications such as USB.  
As a µCap LDO, the MIC5239 is stable with either a  
ceramic or a tantalum output capacitor. It only requires a  
3.3µF output capacitor for stability.  
The MIC5239 includes a logic compatible enable input and  
an undervoltage error flag indicator. Other features of the  
MIC5239 include thermal shutdown, current limit, overvolt-  
age shutdown, reverse-leakage protection, and reverse-  
battery protection.  
• Thermal shutdown  
• Reverse-leakage protection  
• Reverse-battery protection  
• High-power SOIC-8, MSOP-8 and SOT-223 packages  
Available in the thermally enhanced SOIC-8, MSOP-8 and  
SOT-223, the MIC5239 comes in fixed 1.5V, 1.8V, 2.5V,  
3.0V, 3.3V and 5.0V, and adjustable voltages. For other  
output voltages, contact Micrel.  
Applications  
• USB power supply  
• Keep-alive supply in notebook and portable personal  
computers  
All support documentation can be found on Micrel’s web  
site at: www.micrel.com.  
• Logic supply from high voltage batteries  
• Automotive electronics  
• Battery-powered systems  
___________________________________________________________________________________________________________  
Typical Application  
40  
35  
I
OUT = 1mA  
MIC5239  
IOUT = 100µA  
30  
25  
20  
15  
10  
VIN  
30V  
VOUT  
3.0V/100µA  
IN  
OUT  
IGND = 23µA  
EN  
FLG  
GND  
I
OUT = 10µA  
9
14  
24  
4
19  
29  
Regulator with Low IO and Low IQ  
Ground Current vs. Input Voltage  
MLF and MicroLeadFrame is a registered trademark of Amkor Technologies  
Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com  
M9999-121007  
December 2007  
1234567...14

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